1000 MCQS – PROSTHODONTICS Plus March & September 2014 MCQs ! Pr"sth"#"!tcs $4% hat s the purp"se "' ma(!) a rec"r# "' pr"trus*e relat"! a!# +hat 'u!ct"! #"es t ser*e a'ter t s ma#e A. To register the condylar path and to adjust the inclination of the incisal guidance. B. To aid in determining the freeway space and to adjust the inclination of the incisal guidance. C. To register the condylar path and to adjust the condylar guides of the articulator so that they are equivalent to the condylar paths of the patient. D. To aid in establishing the occlusal vertical dimension and to adjust the condylar guides of the articulator so that they are equivalent to the condylar paths of the patient. $,% The ma! 'act"r c"!tr"ll!) a #ecs"! t" !crease the "cclusal he)ht "' teeth '"r e-te!s*e "ral rec"!struct"! rec"!struct"! s +hether A. The inter occlusal distance will be physiologically acceptable after treatment B. There will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. At least two third of the original alveolar process will remain for adequate periodontal support D. The aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction $.% I! pla!!!) a!# c"!struct"! "' a cast metal partal #e!ture the stu#/ cast A. facilitate the construction of customspecial trays B. minimi!e the need for articulating C. provide only limited information about inter ridge distance" which is best assessed clinically D. can be used as a working cast when duplicating facilities are not available $$% Per"#"!tal #ama)e t" abutme!t teeth "' partal #e!ture +th #stal e-te!s"! ca! best be a*"#e# b/ A. Applying #tressbreakers B. $mploying bar clasps on all abutment teeth C. %aintaining tissue support of the distal e&tension D. Clasping at least two teeth for each edentulous area $. %aintaining the clasp arms on all abutment teeth at the ideal degree of tensio $% hch "' these muscles ma/ a''ect the b"r#ers "' ma!#bular c"mplete #e!ture A. %entalis B. 'ateral pterygoid C. (rbicularis oris D. 'evator angulioris $. Temporal 0% a+ relat"! "' a! e#e!tul"us pate!t has bee! establshe#% The ma-llar/ cast has bee! m"u!te# "! a! artculat"r +th"ut a 'ace b"+% "u #ec#e t" !crease the "cclusal *ertcal #me!s"! b/ 4mm ths +ll !ecesstate !ecesstate A. (pening the articulator )mm B. A new centric relation to be recorded C. A change change in the condylar guide settings D. An increase in the rest vertical dimension 1% 3"ll"+!) e-tract"! "' the m"lar teeth
A. The ridge height is lost more from the ma&illa than from the mandible B. The ma&illary ridge will get more bone lost from the palatal aspect than the buccal C. The mandibular arch is relatively narrower than the ma&illary arch D. Compared with the pre*resorption state" the mandibular ridge will lose more bone from the lingual aspect than the buccal one. 2% hch "' the '"ll"+!) s a ma5"r #sa#*a!ta)e t" mme#ate c"mplete #e!ture therap/ A. Trauma to e&traction site B. +ncreased the potential of infection C. +mpossibility for anterior try in D. $&cessive resorption of residual ridge 100% hat s the ma! purp"se "' us!) Stress brea(ers A. To distribute the load between teeth and ridges B. To distribute the load between the clasps and the face end of the saddle C. +t relieves the abutment tooth of occlusal loads that may e&ceed their physiologic strength 106% hch s m"re rete!t*e '"rm '"r a!ter"r br#)e A. , partial veneer crown B. Class - inlay C. inlay -eneer D. Class +++ inlay with pins
125. Patient Patient with with class II division division II; the lateral lateral incisor incisor is missing. missing. You You want to make make a fxed bridge which o the ollowing is suitable A. Rock Rocket et bridge using using central central incisor incisor as abutment abutment B. Cantilever Cantilever using using central central incisor incisor C. Fixed ixed bridge using using the central incisor incisor and bicuspid bicuspid 12!. "hen re#airin re#airing g a racture racture o lower com#lete com#lete dentur denture. e. "hich statement is correct A. Self curing curing will will distort distort the the dentur denture e B. Cold curing will not be be strong strong enough because of small area area of attachment C. There There is a possibilit possibilit of of occlusal occlusal disharm disharmon on 141. The setting setting expans expansion ion of casting casting investmen investmentt is approximately A. ! to to !. !."# B. !." !." tto o !.$# !.$# C. !.$ !.$ to "# %. "." "." to ".&# ".&# 1$2. %he contra contraction ction o o gold allo&s allo&s on on solidi&ing solidi&ing is a##roximatel& A. !.$# B. '.$# C. ".(!# %. )# 1$'. %he un(#ol&me un(#ol&meri)ed ri)ed monome monomer r in *el(cure *el(cured d resin is a##roximatel&++ A. !.$# B. '.$# C . $# %. "!#
A. The ridge height is lost more from the ma&illa than from the mandible B. The ma&illary ridge will get more bone lost from the palatal aspect than the buccal C. The mandibular arch is relatively narrower than the ma&illary arch D. Compared with the pre*resorption state" the mandibular ridge will lose more bone from the lingual aspect than the buccal one. 2% hch "' the '"ll"+!) s a ma5"r #sa#*a!ta)e t" mme#ate c"mplete #e!ture therap/ A. Trauma to e&traction site B. +ncreased the potential of infection C. +mpossibility for anterior try in D. $&cessive resorption of residual ridge 100% hat s the ma! purp"se "' us!) Stress brea(ers A. To distribute the load between teeth and ridges B. To distribute the load between the clasps and the face end of the saddle C. +t relieves the abutment tooth of occlusal loads that may e&ceed their physiologic strength 106% hch s m"re rete!t*e '"rm '"r a!ter"r br#)e A. , partial veneer crown B. Class - inlay C. inlay -eneer D. Class +++ inlay with pins
125. Patient Patient with with class II division division II; the lateral lateral incisor incisor is missing. missing. You You want to make make a fxed bridge which o the ollowing is suitable A. Rock Rocket et bridge using using central central incisor incisor as abutment abutment B. Cantilever Cantilever using using central central incisor incisor C. Fixed ixed bridge using using the central incisor incisor and bicuspid bicuspid 12!. "hen re#airin re#airing g a racture racture o lower com#lete com#lete dentur denture. e. "hich statement is correct A. Self curing curing will will distort distort the the dentur denture e B. Cold curing will not be be strong strong enough because of small area area of attachment C. There There is a possibilit possibilit of of occlusal occlusal disharm disharmon on 141. The setting setting expans expansion ion of casting casting investmen investmentt is approximately A. ! to to !. !."# B. !." !." tto o !.$# !.$# C. !.$ !.$ to "# %. "." "." to ".&# ".&# 1$2. %he contra contraction ction o o gold allo&s allo&s on on solidi&ing solidi&ing is a##roximatel& A. !.$# B. '.$# C. ".(!# %. )# 1$'. %he un(#ol&me un(#ol&meri)ed ri)ed monome monomer r in *el(cure *el(cured d resin is a##roximatel&++ A. !.$# B. '.$# C . $# %. "!#
144. A volume shrinka shrinkage ge of methyl methyl meta cyrelate cyrelate monomer monomer when when is polymerized:** A. "'# B. "$# C . " *# %. '"# 14.% Ol "r +ater "! mpress"! '"r treatme!t casts causes A. An increase of the quality B. /o alteration C. A decrease of the quality D. Bubbles on the cast $. /one of the above 14$% hat s Path "' I!sert"! A. The movement of the appliance from the points of initial contacts to path of final rest position B. The movement of the appliance from the points of rest position until it is not in contact with teeth 14% hat s Path "' Rem"*al A. The appliances movement from the rest position to the last contacts of its rigid parts with the supporting teeth B. The movement of the appliance from the points of initial contacts to path of final rest position 170% he! c"rrect"! preparat"! preparat"! '"r re c"!t"ur!) "' "cclusal sur'ace s t" be apple#% 8r!#!) "!l/ "' the a#5uste# sur'ace A. #hould not be felt flat B. 0equire a flat crown C. 0equire no contact with adjacent teeth D. #hould be felt flat $. /one of the above 171% T" "bta! a #esre# pr"5ect"! "' "cclusal l"a#s9 the 'l""r "' the "cclusal rest sh"ul# A. Be conve& B. #lope from the marginal ridge towards Contact11 of abutment C. #lope from Contact11 of abutment towards the marginal ridge D. Be concave $. Does not slope from the marginal ridge towards Contact11 of abutment 2. /one of the above 172% The tra!s'er "' stress b/ Te!sle :ct"! empl"/s T% react"!;a pr"cess that +th! lmt A. 2ails to promote bone growth B. romote bone growth and maintenance C. 2ails to promote maintenance D. /one of the above 176% hch "' the '"ll"+!) arrears C:N NOT be #eterm!e# b/ sur*e/ a!al/ss "' partall/ e#e!tul"us cast A. Areas to be revealed as blocked out to properly loca11 0igid parts of a frame work B. Areas to be shaped to properly loc11 0igid parts of framework C. Areas used for guideline planes D. Areas used for retention $. Areas used for support
2. Depth of rest seats 174% I! partal #e!tures the )u#el!es <8u#!) Pla!es= ser*e t" A. Aids in balancing occlusion B. Assure predictable clasp retention C. 2orm right angle with the occlusal plane D. $liminate the necessity for precision attachment $. $liminate the necessity for a posterior clasp 177% R"u)h sur'ace "' p"rcela! >P"r"st/> s a result "' A. 'ack of compression B. #udden high temperature 17,% The m"st c"mm"! 'alure ! c"!struct!) p"rcela! t" metal s A. +mproper metal framework B. 0apid heating 17$% The ma-llar/ ca!!e s mss!)% The best +a/ '"r ma(!) Ca!tle*er br#)e A. Both premolars B. +ncisors and premolars 17% :!te?s @a+A Dr% :!te ! 12, state# that A. 3The combined pericemental area of the abutment teeth should be equal to or greater in pericemental area than tooth or teeth to be replaced4 1,0% h/ +"ul# /"u #ec#e t" replace the a!ter"r mss!) teeth '"r partal #e!ture us!) br#)e A. Aesthetic B. (verjet C. (verbite 1,1% I! re)ar#s t" 8"l# cast!) all"/s +hch "!e s a*alable '"r br#)e A. 5ard alloy 3Type +++4 B. Type ++ C. Type +
1!'. %he frst thing to check when #atient comes com#laining o #ain under denture is A. +cclusion B. Soft tissues changes 1,4% 3"*ea Palat!9 s a la!#mar( t" #eterm!e the p"ster"r b"!#s "' upper #e!ture A. ost dam B. 2langes 1,,% M"#ulus "' elastct/ s #e'!e# as A. The stress at the proportional limit B. The stress*strain ratio within the proportional limit
1!,. %issue conditioning material -*ilicon lining material A. Are more resilient than plastic acrlic B. Can minimise an bacterial colonies 1,% The p"st"! "' cusps "' ma-llar/ 'rst prem"lar #ur!) sett!) "' teeth a!# "! "cclusal *e+ s p"st"!e# A. Distally B. %esially C. Central buccolingually
1.% B!ematc 'ace b"+ s use# '"r rec"r#!) t" l"cateE A. 5inge movement 6position7 a&is 1$0% h/ #" /"u p"lsh the teeth be'"re seat!) "' partal #e!tures A. To smooth the rough surface B. To minimi!e the retention of plaque C. To increase the adoptability of occlusal rests 1$1% The c"!tact bet+ee! art'cal a!# !atural teeth ! partal #e!tures A. #light touch in the balancing side B. #hould not be in touch at all 1$2% P"l/*!/l mpress"! materal are A. The most stable B. The most resistant to heat 1$4% a- patter!s :RF NOT t" be le't "! the be!ch '"r l"!) tme because "' A. Distortion B. 'ost of elasticity 1$7% The u!#ercut '"r C"balt Chr"me?s rete!t*e arm clasp s A. 8.9:mm B. 8.:8mm C. 8.;:mm 1$,% he! sur*e/!) A. Tilt the cast 1$.% hat stateme!t s 'alse A. /ot to survey when making the crown 1$$% 8"l# clasp s m"re elastc tha! C"balt Chr"me9 but C"Chr"me has h)h m"#ulus "' elastct/ A. The first statement is false the second is true B. Both are true C. The first is true the second is false D. Both are false 1$% O*er#e!tures are best use# '"r A. Canines and premolars B. osterior teeth 10% hat s ma! reas"! "' "r#er!) a!"ther Perapcal ra#")raph "' the same t""th A. To disclose the other roots B. To observe tooth from different angle 11% The #eal le!)th "' RCT s A. At the ape& B. As far as you can obturate C. 8.: t8 <.: mm before the ape& 12% Rete!t*e part "' clasp p"st"! s A. Below the survey line B. Above survey line C. As close as possible to the gingival margins 16% T" m!mGe the l"a# "! 'ree e!# sa##le partal #e!ture A. =se teeth with narrow Buccal*'ingual dimension B. =se mucco*compressive impression 14% Rete!t*e Clasps A. Alloy with high modulus of elasticity B. Clasp arm is gingivally located
2/5. In melting gold0 which #art o ame we will use
A. Reduced ,one B. +xidi,ing ,one 20,% T" !crease the stablt/ "' the l"+er #e!ture A. The occlusal plane should be below the tongue B. The occlusal plane should be above the tongue C. The lingual flanges should be concave 20.% I' the !*estme!t s bur!"ut rap#l/9 +hat +ll happe! A. Back pressure porosity B. Cracking of the investment 20$% hat s the DIS:D:NT:8F "' )/psum #es A. >eak edge strength and lack of surface details B. Dimensional inaccuracy 20% O*er#e!ture a#*a!ta)e s A. roprioceptors 212% The best +a/ "' )ett!) )""# rete!t"! ! 'ull *e!eer cr"+! s b/ A. Tapering B. 'ong path of insertion 216% r"u)ht metal s t" be A. %arble B. ?uenched C. #ubjected undergone to cold treatment during processing 6annealed7
2',. Patient with lower denture and com#laining o #aresthesia o the lower li#; the most common cause is0 A. -ressure on mental foramen B. -ressure on the genioglossi lohoid muscles 255. Im#ression without elastomer in custom tra& has been taken or crown #re#aration; it will be two da&s beore im#ression gets to the laborator& or construction o the crown. "hich im#ression material is #reerred A. -olether B. Thiokol or meraptan rubber C. Condensation silicone %. /inl polsiloxane 2.6% The m"st c"mm"! cause "' p"r"st/ ! p"rcela! 5ac(et cr"+! s A. %oisture contamination B. $&cessive firing temperature C. 2ailure to anneal the platinum matri& D. $&cessive condensation of the porcelain $. +nadequate condensation of the porcelain 2.4% The ma! 'act"r c"!tr"ll!) a #ecs"! t" !crease the "cclusal he)ht "' teeth '"r e-te!s*e "ral rec"!struct"! s +hether A. the inter occlusal distance will be physiologically acceptable after treatment B. there will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. at least two third of the original alveolar process will remain for adequate periodontal support D. the aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction 2.7% :! a#*a!ta)e "' metalceramc cr"+!s9 c"mpare# +th 'ull ceramc cr"+!s '"r rest"r!) a!ter"r teeth s
A. alatal reduction may be of minimal thickness B. (verall conservative for tooth structure C. Ability to watch the appearance of adjacent natural teeth D. 'ess laboratory time 2.,% I! ceme!t!) Mar/la!# "r R"che br#)es9 the e''ect s )e!erall/ t" A. 'ighten the colour of the teeth by the opacity of the cement B. Darken the colour of the abutment by the presence of metal on the lingual C. 5ave no detrimental colour effect D. Darken the abutment teeth by incisal metal coverag 2..% The m!mal labal t""th re#uct"! '"r sats'act"r/ aesthetcs +th p"rcela! 'use# t" metal cr"+! s A.
B. revent settling of major connectors C. 0estrict tissue movement at the distal e&tension base of the partial denture D. %inimise movement of the base away from the supporting tissue 2$4% Dst"rt"! "r cha!)e ! shape "' a cast partal #e!ture clasp #ur!) ts cl!cal use pr"babl/ !#cates that the A. Ductility was too low B. 5ardness was too great C. =ltimate tensile strength was too low D. Tension temperature was too high $. $lastic limit was e&ceeded 2$7% hch "' the '"ll"+!) s true re)ar#!) preparat"! "' cust"m tra/ '"r elast"merc mpress"! A. Adhesive is preferred over perforation B. erforation provides adequate retention C. Adhesive is applied immediately before procedure D. erforations are not made in the area over the prepared tooth 2$,% he! a rem"*able partal #e!ture s term!all/ seate# ; the rete!t*e clasps tps sh"ul# A. Apply retentive force into the body of the teeth B. $&ert no force C. Be invisible D. 0esist torque through the long a&is of the teeth 2$.% h/ #" /"u c"!struct a l"+er rem"*able partal #e!ture +th l!)ual bar A. +t is used when the space between raised floor" mouth and gingival margin is minimal B. laque accumulation is less than lingual plate C. #hould be make thicker when short 2$$% The 3"*ea Palat!ae are A. 2oramina covering the lesser palatine nerves and vessels B. %orphologically related to the formation of the prema&illa C. 'ocated on either sides of the midline close to the junction of the hard and soft palate D. Closely related to the rugae of the palate 2$% hch "' '"ll"+!) rest"rat"! materal ts stre!)th s !"t e''ecte# b/ p!s A. Amalgam B. Composite resin 20% hch "!e "' '"ll"+!) stateme!t ab"ut O*er#e!ture s !"t c"rrect A. @reater occlusal loads can be applied by the patient B. 0etention and stability are generally better than with conventional complete denture C. Alveolar bone resorption is reduced D. The retained roots are covered by the denture thus protecting them from caries and periodontal diseases 21% hch "' the '"ll"+!) s a ma5"r #sa#*a!ta)e t" mme#ate c"mplete #e!ture therap/ A. Trauma to e&traction site B. +ncreased the potential of infection C. +mpossibility for anterior try in D. $&cessive resorption of residual ridge
233. 4ank the ollowing im#ressions materials according to their exibilit& A. Alginate0 -olsulphide0 Silicone0 1inc +xide 2ugenol B. Silicone0 Alginate0 -olsulphide0 1inc +xide 2ugenol
C. Alginate0 -olsulphide0 1inc +xide 2ugenol0Silicone %. Alginate0 Silicone0 -olsul3de0 1inc +xide 2ugenol 2. Alginate0 1inc +xide 2ugenol0 Silicone0 -olsulphide '//. enture resin are usuall& available as #owder and li6uid that are mixed to orm a #lastic dough; the #owder is reerred to as0++ A. 4nitiator B. -olmer C. 4nhibitor %. onomer 2. %imer '/1."hich one o the ollowing is the ma7or disadvantage o stone dies used or crown abrication0 A. The lack accurate reproduction of surface details B. Their overall dimensions are slightl smaller than the original impression C. The strength of the stone %. The ha,ard of aspiration of toxic materials during trimming of the dies 604% he! all "ther rem"*able partal #e!ture c"!s#erat"! rema!s u!cha!)e#; clasps c"!structe# "' +hch materal ca! be e!)a)e the #eepest u!#er cut A. Chrome cobalt casts B. /ickel chrome casts C. >rought stainless steel D. >rought gold 607% hch "!e "' the '"ll"+!) t/pes "' pa! s m"st l(el/ t" be ass"cate# +th cra!" ma!#bular #s"r#ers A. $&acerbated pain by hot or cold food B. eeps patient awake at night C. Associated with muscle tenderness D. Associated with trigger spots related to the trigeminal nerve 60,% The !csal )u#a!ce "! the artculat"r s the A. %echanical equivalent of hori!ontal and vertical overlap of upper and lower incisors B. %echanical equivalent at the compensating curve C. #ame as condylar guidance D. $stimated by the equation +ncisal guidance < of condylar @uidance
'15. "hat controls the occlusion++ 8heck 9oucher 8.. A. Teeth B. Receptors in periodontal membrane C. -roprioceptors %. 5euromuscular receptors 2. T6 F. All of the above '13. "here do :ar&land bridges lose retention oten A. Resin7metal B. Resin enamel C. Resin laer '2/. "hat is the unction o g&#sum(binder in the investment++ A. Setting and hdroscopic B. Strength and rigidit '21. "here is the retentive #osition on tooth according to the
surve& line A. Below the height of contour B. 5ext to gingival margins '22. In regards to distal ree end saddle; what is %4< A. 8ill re9uire relining more often than a denture supported with teeth '2'. "hat are the most common errors when constructing #artial denture A. 4mproper surve B. Bad positioning of the occlusal rests C. 4ncorrect design ''5. %he ma7or cause o 7acket crown breakage is0 A. 4nclusion of platinum foil B. :se of weak cementum C. /oids of porcelain %. -orcelain is thinner than "mm ''!. Pontic re#laces u##er frst molars in a bridge should be A. Slightl compress soft tissues B. Be clear of soft tissues C. 6ust in contact with soft tissues '',. =abiall& dis#laced anterior tooth is restored with a gold core #orcelain 7acket crown so that it is in line with the arch; the crown will a##ears A. Short B. ;ong C. 5arrow %. 8ide '52. "h& 8lass I> gold can not be used in cavit& as a flling material A. Can not be polished ard "*# B. Tpe 4/ ?$# '5$. In regards to Partial dentures0 how do &ou establish reliable vertical dimension0 A. 8ax if the remaining teeth occlude '55. In regards to indirect com#are to direct wax techni6ue++ A. ;ow temperature solidifing point B. >ard in room temperature C. >igher @ow in room temperature 4,$% hch mpress"! materal sh"ul# NOT be (ept ! +ater +th! "! h"urA <! a!"ther paper +asA 60 m!s be'"re p"ur!)= A. olyether B. Condensation silicone C. olyvinyl silicone 4,% H)h c"pper amal)am lasts l"!)er tha! l"+ c"pper amal)am because "' A. +ncreased compressive strength B. +ncreased corrosion resistance
C. 5igh creep D. +ncreased tensile strength $. Decreased setting e&pansion 4.0% P"r"st/ ! acr/lc #e!tures s cause# b/ A. Contraction porosity in thickest point of the denture B. +nsufficient pressure during flasking causes it 4.1% The sh"rtest 'acal he)ht s +he! A. Teeth are overlapped B. There is ma&imum cuspal interdigitation 4.2% hat s TRJF ab"ut *ertcal #me!s"! A. Does not change for the whole life B. Decreases when head is tilted back C. +ncreases when a lower denture is placed in mout 4.4% h/ +"ul# /"u cast )"l# ! h"t m"ul# A. To compensate for the e&pansion of investment. 4.7% I' temp"rar/ ceme!tat"! s reKure#9 +hch ceme!t +ll /"u use A. E($ B. Einc olycarbo&ylate C. @+C 4.,% I! the c"!struct"! "' a! RPD9 )u#!) pla!es are create# b/ A. erpendicular to the occlusal plane B. arallel side towards the path of placement. 4..% he! sh"ul# p"ur p"l/ether mpress"! materals A. >ithin ;) hours after taking impression B. >ithin F8 minutes after taking impression C. #hould be stored dry and then poured D. #hould be stored in humid place 4.$% hch "' the '"ll"+!) s a 'reKue!t cause "' "paKue!ess ! a p"rcela! 5ac(et cr"+! A. orcelain layer is too thin over the opaque layer. B. orcelain layer is too thick 4$1% : )!)*all/ e-te!#e# chr"me c"balt cast clasp A. Can e&tend 8.: under the surveyor line B. Can e&tend 8.;: under the surveyor line C. >ill resist deforming forces better compared to cast gold 4$2% The 'rst m"lars are e-tracte# ! b"th arches A. The bone resorption will be the same for both arches B. 0esorption is more on the palatal side of ma&illary molars C. 0esorption is more on lingual side of mandibular molars D. The ridge height resorbs more in ma&illa than mandible 4$6% The use "' !c(el chr"mum ! base plate sh"ul# be 5u#c"usl/ c"!s#ere# because A. A significant number of females are allergic to nickel B. A significant number of female are allergic to chromium C. A significant number of males are allergic to nickel
4$7% Dur!) m"uth preparat"! '"r RPD "! t""th a#5ace!t t" e#e!tul"us area% There s #e!t!e e-p"sure A. 0estoration is required B. roceed with rest seat preparation and fabrication if involved area is not more than ;mm 4$,%:'ter ma(!) a! mpress"! t" rel!e a! RPD the #e!tst !"tes that the !#rect reta!ers are !"t rest!) "! the t""th% T" a*"# ths +hat pr"cess sh"ul# ha*e u!#erta(e! !tall/ A. Ask patient to bite firmly while impression is setting B. 5old the metal base frame against the abutment tooth while setting C. 2abricate new denture D. Add impression material and close the gap
$3!. %he area o the #osterior #alatal seal includes which o the ollowing A. leftright B. >amular notch 742% hat s the #eal le!)th '"r a p"st ! p"stc"re ! a! e!#"#"!tcall/ treate# t""thA A. ;F of the tooth length B. G of the tooth length C. <.: times that of the crown D. #ame as the anticipated crown 746% hch s c"rrect ! re)ar# t" sha#e select"! "' cr"+!sA A. +t should be selected before starting preparation B. Chroma is the lightnessdarkness of colours C. -alue is the colour itself D. 5ue is the concentration of colours 747% Stra! s #e'!e# as A A. An e&ternal force B. An internal force to oppose e&ternal load C. Deformity opposed the applied load 74.% Sel' p"l/mers!) acr/lc res!s #''er 'r"m heat cure# res!s because the/ e-hbtA A. 5igher molecules weight B. 5igher content of residual monomers 74$% The a#*a!ta)e "' 'r!) p"rcela! ! *acuumA A. 0educes si!e of air*bubbles incorporated thus decreasing porosity B. 0emoves water before firing" increasing the hardness of porcelain C. #ignificantly lowers firing temperature 74% The c"!tract"! 8ase"usE p"r"st/ ! !la/s s relate# t"A A. (verheating of the alloy B. %olten gases C. Diameter of the sprue
D. (verheating of investment 770% here +"ul# /"u e-pect t" '!# the M/l"h/"# ! relat"! t" perpher/ "' c"mplete #e!tureA A. %andibular buccal in the midline B. %andibular lingual in the midline C. %andibular disto buccal area 774% Spl!t!) the a#5ace!t teeth ! '-e# br#)e s prmarl/ #"!e t"A A. Distribute the occlusal load B. Achieve better retention 777% P"rcela! must !"t be c"!tam!ate# b/ ha!#l!) bet+ee! +hch t+" sta)esA A. re*soldering and heat treatment B. 5eat treatment and opaque bake stages C. (paque and bisque stages D. Bisque and gla!ing stages $. 2irst opaque bake and second opaque bake 77,% hat s the relat"!shp "' the rete!t*e p"rt"! "' the partal #e!tures reta!ers t" the sur*e/ l!e "' abutme!tA A. @ingival Below B. (cclusal Above C. /o relation 77.% hch "' the '"ll"+!) lKu#s s !"t sutable '"r pr"l"!)e# mmers"! "' c"balt chr"me partal #e!turesA A. Alkaline pero&idase B. 5ypochlorite solutions C. #oap solutions D. >ater
55?. entures h&#er#lasia is generall& attributed to A. -oor oral hgiene B. %enture movement 553. In com#lete dentures0 cheek biting is most likel& a result o A. Reduced +veret of posterior B. 4ncreased vertical dimension C. Teeth have large cusp inclines 5!/. 4esting ace height in edentulous #atients A. %ecreases when head is tilted back B. 4ncreases when lower denture is inserted C. %oes not change over time 5!1. @la(%ragal line is++ A. The line running from the tragus of the nose to ala of the ear B. A guide used to orient the occlusal plane C. -arallel to Frankfurt hori,ontal plane
%. A guide to the occluding face height in complete denture. 5!2. ecision to em#lo& cus#ed or without cus#s teeth is inuenced b&++ A. Reverse +veret B. T6 problems C. Cranio mandibular skeletal relationship !". #t is desira$le to ma%or connectors of upper partial dentures to:** A. At least $ mm awa from the gingival margin B. Cover the anterior palate &'. (hen you tries to seat a crown on tooth you )nd a discrepancy of '.mm at the margin+ you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin %. >and burnish crown margins 5,?. In surve&ing; calibration o examiners data is im#ortant because A. 4t reduces the errors in gathered data. ,.$% I! 'ull #e!tures p"r"st/ ! the m"st thc(est area s #ue t"A A. @aseous porosity B. #hrinkage porosity
!33. "hat is %4< about 8hrome(8obalt #artial denture A. 5o immersion of dentures in hpochlorite ,25. %erminal Ainge @xis can be obtained b& A. Face bow B. Dinematic face bow C. Articulator .6$% C"mpare# t" #e!tal plaster all #e st"!esA A. 0equire less gauging water B. 0equire more gauging water C. 0equire the same quantity of gauging water D. Are beta*hemihydrate $. /one of the above .6% The MOST e''ect*e ma!!er t" pr"#uce a har# sur'ace "! a cast s b/A A. $mploy as much water as possible on mi&ing B. $mploy as little water as possible on mi&ing C. Adding ;H of bora& to the mi& D. Adding calcium tetraborate $. /one of the above .40% he! #r/ cast s mmerse# ! +ater saturate# +th calcum sulphateA A. There is contraction
B. There is negligible e&pansion C. There is definite e&pansion D. There is no change $. /one of the above .41% 3us"! temperature "' mpress"! c"mp"u!# sh"ul# "ccurA A. Below mouth temperature B. Above mouth temperature C. As of the skin temperature D. At the room temperature $. /one of the above .42% The 'l"+ "' the '"ll"+!) perce!ta)e s all"+able '"r mpress"! c"mp"u!# t/pe IE at the "ral temp "' 6.L A. IH B. <8H C. ;H D. ;8H $. /one of the above .46% The #sa#*a!ta)e "' heat!) the mpress"! c"mp"u!# ! a +ater bath sA A. +t may become brittle B. +t may become grainy C. 'ower moles with constituents are leached out D. The plasticity of the compound may be altered $. All of the above .44% 8e!erall/ there s G!c "-#e eu)e!"l mpress"! pastes bet+ee! 'l"+ areA A. >orking time B. Accelerator C. #etting time D. Composition $. /one of the above .47% De!tal mpress"! materals are h/#r"c"ll"#s "'A A. The emulsoid type B. The suspension type C. The sol type D. The gel type $. /one of the above .4,% Flast"mers areA A. 5ydrophilic B. 5ydrophobic C. >ater*loving impression material D. otassium alginates $. /one of the above .4.% The p"l/sul'#e rubber mpress"! materals areA A. /ot sensitive to temperature when curing
B. ?uite sensitive to temperature when curing C. 'ess sensitive to temperature than silicone rubber D. The same sensitivity to temperature as silicone rubber $. /one of the above .4$% The elastc pr"pertes "' rubber mpress"! materalsA A. +mproves with time B. Deteriorates with time C. Deteriorates when e&posed to temperature D. +mproves when e&posed to temperature $. /one of the above .4% The e''ect "' the temperature rs!) ab"*e 100LC "! heatcure# #e!turebase acr/lc res!s sA A. roduces porosity on the e&ternal portion of the resin. B. roduces porosity on the internal portion of the resin. C. roduces porosity on the surface of the resin. D. revents porosity on the interior of the resin
,,$. "hen adhesive is used with #ol&sul#hide im#ression material A. Should be thin and dr ,,!. 4eversible h&drocolloids im#ression material in com#arison to alginate are A. Better for undercuts areas ,,,. You can increase the retention o :ar&land bridge b& A. 4ncorporate mesh work in wax pattern B. -erforation techni9ues in the metal cast ,,?. :ar&land bridges are made o A. 5ickel chrome ,,3. Initiation o curing #rocess in sel cure acr&lic resin is achieved b&++ A. Ben,l peroxide .1% hch "' the '"ll"+!) 8"l# cast!) all"/s are a*alableA A. %edium alloy 3Type ++4 B. 5ard alloy 3Type +++4 C. $&tra 5ard alloy $14% The "utc"me "' rap# +a- bur! "ut sA A. Cracking of the investment B. Back pressure porosity $1$% The MOST c"mm"! cause '"r m#l!e 'racture sA A. +mpact B. 2atigue
?13. %he unction o ace bow is A. +rient maxilla to T6 $24% :! Obturat"r ! cle't palate plate s ma!ta!e# b/A A. Cohesion B. Atmospheric pressure C. 0etention in the defect D. atient support it with the tongue $27% I! a '-e# m"*eable br#)e +here sh"ul# the m"*eable !"! r)#E c"!!ect"rs be place#A A. Distal to anterior retainers B. %esial to posterior retainers $2$% hat s the m!mal labal re#uct"! '"r p"rcela! metal cr"+!sA A.
?23. "hat is the unction o ux A. To protect allo from oxidationE and distribute metallic oxides as the are formed ?'/. "hat is %4< A. Boiling point of acrlic 0 boiling point of water B. Boiling point of acrlic is similar to that of water C. Boiling point of acrlic boiling point of water ?'1. Porcelain bonded to metal is strongest A. 4n compression B. 4n tension $,2% hat s TRJF ! re)ar# t" the preparat"! "' "cclusal restsA A. =se an inverted cone bur B. =se a flat fissure bur C. arallel to occlusal plane D. At right angle to the long a&is of tooth $. /one of the above $,4% The cer*cal '!sh l!e "' a 'ull *e!eer cr"+! preparat"! sh"ul# be place#A A. Just supragingival whenever is possible B. According to the depth of gingival crevice C. #ubgingival to reduce ability of recurrent caries D. At the junction of tooth and amalgam core
?!,. "hich o the ollowing will BC% be used in determination o vertical dimension A. Aesthetic B. -honetics C. Gothic arch tracing %. Swallowing
?!?. Dinc oxide im#ression material A. a cause irritation to mucosa B. 4s a thermoplastic material $.2% : lateral !cs"r labal t" the arch !ee#s t" be rest"re# ! !"rmal al)!me!t +th P3M retract"!% H"+ +ll the t""th appearA A. Too wide B. Too short C. To narrow D. To long $.6% hch "' the '"ll"+!) cusps s m"re pr"!e t" crac(A A. Buccal of lower molars B. 'ingual of lower molars C. 'ingual of upper molars D. Buccal of upper molars $.4% 3le-blt/ "' the rete!t*e clasp arm #epe!#s "!A A. 'ength B. Cross section C. %aterial D. Degree of taper $. All of the above $..% h/ are three trp"#s mar(e# "! a cast be!) sur*e/e#A A. To orient cast to articulator B. To orient cast to surveyor C. To provide guide planes
?,?. @n irregular sha#ed void on surace o a gold cast would indicate that A. A fragment of investment had been carried into the mould B. Air carried into mould C. Burning out of wax was inade9uate %. The powderHwater ratio for the investment was too high ??1. In regards to connectors on dentures; which o the ollowing is correct A. aor connector should be rigid as possible B. inor connector should engage undercuts $$6% hat s CORRFCT ! re)ar# t" the per"#"!tal sur'ace area ! ma!#bular teethA A. 2irst molarK first premolarK second premolar B. CanineK first premolarK second premolar C. CanineK lateral incisorK central incisor $$4% : cast cr"+! 'ts "! the #e but !"t "! the t""th9 the #screpa!c/ s ab"ut 0%6mm9 +hat +"ul# /"u #"A A. 0elieve cast from the inside B. Take a new impression and make new crown C. Burnish margins
D. =se thick mi& of cement
??,. "hat intereres with maxillar& denture in #osterior vestibular old A. Coronoid process B. Condle C. asseter muscle $$$% I! re)ar# t" sha#e9 chr"ma sA A. Brightness B. #aturation of hue C. -alue $$% H"+ l"!) sh"ul# acr/lc sel'cure specal tra/s bee! ma#e pr"r t" ta(!) mpress"!A A. <; hrs B. +mmediately after fabricating it C. After been left in water for an hour D. >ait for an hour before pouring $0% The M:IN C:JSF "' )!)*ts ! partal#e!ture pate!ts sA A. lacement of dentures B. laque accumulation $1% hat "' the '"ll"+!) s TRJF re)ar#!) the placeme!t "' the m"*able c"mp"!e!t "' the !"!r)# c"!!ect"r ! a '-e# br#)eA A. #hould be placed on the longer retainer B. %esial drift causes unseating of the distally placed connector $2% he! lateral !cs"r s l"st a pate!t has Class II D*s"! II t/pe +th #eep bte% hch "' the '"ll"+!) s c"!tra !#cate#A A. 2i&ed bridge with canine and central incisor as abutment B. /on*rigid connector with central incisor as abutment $6% hat s the !eutral G"!eA A. The !one where displacing forces are neutral B. The !one where buccal and lingual forces are balanced $4% hat s the lam!ar "!eA A. 2ormed of" or having" two laminae" or thin plates. >hich is the distal attachment of superior hard lateral plate B. A vascular" innervated tissue that plays an important role in allowing the condyle to move foreward
325. Elexibilit& o the retentive clas# arm oes not relate to A. ;ength B. Cross section C. aterial %. %egree of taper 2. :nder cut area
32!. Protrusive movement in wax A. Can not be perforated 60% The OPTIMJM cr"+! t" r""t rat" '"r abutme!t t""th sA A. ;F B. << 61% hat #"es c"!tra!#cate br#)e +"r(sA A. 'ong edentulous span which will lead to damage of abutments 62% Flastct/ "' mpress"! materal +ll lea# t" #eall/A A. revent distortion when impression is removed out of the mouth 66% : pate!t has bee! c"m!) t" /"ur cl!c '"r se*eral tmes c"mpla!!) ab"ut s"re!ess u!#er the #e!ture9 +hat +"ul# /"u #"A A. Check occlusion of lower buccal cusps 64% hat s the #''ere!ce bet+ee! arc"! a!# !"! arc"! artculat"rA A. +n arcon the condylar element is in the lower compartment 4.% The au-lar/ "cclusal rest "! teeth '"r partal #e!ture sh"ul# be place#A A. Away from edentulous space B. Adjacent to edentulous space C. /ear fulcrum line D. Away from fulcrum line 4$% : *tal t""th has a cr"+! ceme!te# t" a p!reta!e# amal)am c"re; +here #"es a 'alure "ccurA A. Between crown and cement B. Between core and cement C. +n the crown and the root D. +n the core and the margin preparation
35?. %he advantage o using the lingual #late on lingual bar is A. 4t acts as indirect retention 353. 4etention in #recision attachment is achieved b& A. Frictional resistance 3!/. Aow much under cut area a clas# arm should engage++ A. As much under the undercut as possible B. Anwhere beond the surve line C. A predetermined amount of undercut ,6% h/ #"!?t +e use p"rcela! ! l"!) spa! br#)e +"r(sA A. Because of the high casting shrinkage of porcelain ,4% "u ha*e pate!t +th Class II #*s"! 2; +hch "' the '"ll"+!) s c"!tra!#cate#A A. Cantilever bridge
B. %aryland bridge ,7% H"+ +ll /"u c"*er a l"+er prem"lar +he! ma(!) a metallc p"rcela! cr"+!A A. Cover the occlusal and buccal cusp by porcelain B. Cover just buccal cusp by porcelain ,.% hat s"rt "' all"/s #" /"u use '"r br#)esA A. Ductile B. 5ard C. 5igh sensitivity ,$% hat s"rt "' materal #" /"u use '"r the 'abrcat"! "' Mar/la!# br#)esA A. #ingle phase materials B. %ulti phase materials C. $&tra hard D. The same as bonding material $.% I! a p"ster"r *tal m"lar +th a c"re the best materal t" rest"re sA A. Amalgam B. Composite resin C. @+C $$% The 'u!ct"! "' the !cs"r p! "' a! artculat"rA A. 5ori!ontal and vertical overlap $% hch "' the '"ll"+!) s a! mp"rta!t c"!s#erat"! +he! #ec#!) +hether t" #es)! a! upper partal #e!ture +th"ut a!ter"r 'la!)eA A. The amount of labial alveolar bone resorption 0% !c"-#eeu)e!"l mpress"! pasteA A. Can not be used in areas with undercuts 1% he! rest"r!) +th c"mp"ste res!s9 +h/ #" +e #" the ca*" sur'ace be*ell!)A A. Aesthetic 2% I! re)ar# t" #e!ture st"mattsA A. Due to overgrowth of some normal commensal of oral cavity
1///. "ell constructed com#lete denture A. 5eeds little maintenance B. ;ess than a week for adustment and total success C. Adverse eIects and decrease taste sensations 1//2. "hich muscle acts on the disto lingual contour o lower denture A. entalis B. asseter C. lohoid %. Buccinator 1/1/. "hen should not contaminate metallic ramework during abrication o #orcelain used to metal crown
A. B. C. %.
Between Between Between Between
bis9ue stage and gla,ing stage preheat and opa9ue stages opa9ue and bis9ue stages one opa9ue and two opa9ue stages
1/11. FPo# oGH o a #orcelain veneer rom under the l&ing gold crown is due to++ A. Too thick application of pure gold surface conditioner B. Contamination at the porcelain metal interface C. :nder 3ring the opa9ue laer %. All of the above 1/12. @ttrition in elderl&0 wh& do teeth maintain contact A. Building bone around the fundus of alveolar bone and deposition of cementum B. 4ncreased interocclusal distance C. Formation of dentine 1/1$. Initial cond&lar guidance o 25 degree was wrong is changed to $5 degree. "hat changes will &ou make to achieve balanced occlusion A. %ecrease incisal guidance B. Reduce cusps height C. 4ncrease compensate curve 1/1,. "hat is the sha#e o occlusal rest A. Spoon shape with rounded margin 1/$?. %he #lacement o metal sto#s at a location remote to direct retainers to increase retention is termed A. 4ndirect retainers 1/$3. %he hamular notch is im#ortant in ull dentures construction because it aids in the setting #osition o the artifcial teeth A. First statement is trueE but the reason given is false 1/5/. "hen setting u# teeth or com#lete dentures having bilateral balanced occlusion0 se#aration o #osterior teeth during #rotrusion is done b& A. 4ncreasing the anterior posterior occlusal curve B. %ecreasing the angle orientation of the occlusal plane 1/51. "hen #atient bites in #rotrusion &ou notice that #osterior teeth do not meet0 what would &ou do to solve this A. 4ncrease the compensator curve B. %ecrease the angle of the occlusal plane 1/52. %he :C*% common reason or ull denture ailure
A. 4nade9uate interocclusal clearance 1/5,. "hat does F*YB<4<*I*H in #rosthodontics mean A. ;oss of water and contraction 1/5?. "h& would &ou invest the wax #attern as soon as #ossible in an indirect inla& abrication A. inimise distortion B. Avoid contraction C. Avoid expansion
March 2014 hat s TRJF ! re)ar# t" the preparat"! "' "cclusal restsA
A. =se an inverted cone bur B. =se a flat fissure bur C. arallel to occlusal plane D. At right angle to the long a&is of tooth $. /one of the above $ The au-lar/ "cclusal rest "! teeth '"r partal #e!ture sh"ul# be place#A
A. Away from edentulous space B. Adjacent to edentulous space C. /ear fulcrum line D. Away from fulcrum line Impress"! materal '"r ma(!) '!al mpress"! '"r mpla!t pr"sthess sA
A. Additional silicone B. condensation silicones C. olyether D. olysulphides hat s TRJFA
A. Boiling point of acrylic acid K boiling point of water
B. Boiling point of acrylic acid is similar to that of water C. Boiling point of acrylic acid L boiling point of water H"+ +ll c"*er l"+er prem"lar +he! ma(!) a mettalc p"rcela! cr"+!
a. cover the occlusal and buccal surfaces by porcelain b. cover just buccal surface by porcelain 3"r a p"rcela! 'use# t" metal rest"rat"!9 the metal sur'ace
A. requires some degree of mechanical retention. B. should not be heat treated. C. requires a well polished surface. D. must develop an o&ide for chemical bonding.
September 2014 1. %ri#od marking in surve&or is used to A. Remount the cast on d articulator B. Re orient the cast on surveor.. C. %.
,. :aximum su##ort in distal extension 4P gained through "7 indirect retainers '7 -roper tissue support b denture base )7 occlusal rests (7 clasps $7 use stress breakers
. Eree wa& s#ace. "hat is 8orrect A. Can be meassured accuratel onl in dentulous patients B.4t is set '7( mm in edentulous patient C 4t is /%+ minus /%R.
4. 8ontraindication o -enamel shell restorations A. %eep bite B. Class ' div " C. Class ' div '
%. 2dge to edge bite 2. Class )
. "hat is the advantage o acr&lic resin over 8r(8o "7 cost '7 pla9ue control )7 ease of adding teeth (7 better thermal conductivit 5 -
!.
%aking im#ression with elastomers or maxillar& fxed bridge using custom tra&0 the s#ecial tra& should be "7 perforated '7 having space of )mm )7 having space of $mm (7 tra can be @exed $7 adhesive not re9uired
&.
"hat is the clinical s&m#toms o mental nerve
com#ression b& the denture borders a. lower lip J chin numbness b. ;ower lip pain ?. In determining the re#lacement o missing anteriors with ridge la# design or with incor#oration o labial ange0 what actor is most im#ortant A.>igh lip line B.-atient wishes C. 5eed for anterior retention %.%egree of ridge resorption 3. "hat determines the limits o the inerior border o the lingual com#onent o an 4P ..... pl, exact phrase "7 2levation of anterior @oor of the mouth '7 Space of the tongue )7 Sub andibular duct opening (7 anterior crowding $7 whether lingual plate or lingual bar is used
1'.
@ttrition in elderl& ##l doesnt cause loss o
contact.reason is A.deposition of bone around a fundus
B.deposition of cementum at apical area C.both a n b %.
11.
"hat is advantage o PE: than all ceramic restoration
A. inimal lingual reduction B. +verall conservative C. %. 2.
1,. Pt. Aad new resin(bonded bridge0 it ell oG ' months ater cementation but occlusion and design are not a #roblem...ttt A. 6ust do pumice enamel and re etch metal and cement B. Slightl reduce lingual enamel and retch and bond metal C. Remake metal create resin tags %. Remake the bridge
1. istortion or change in sha#e o cast #artial denture during its clinical use #robabl& indicates that aK ductilit was too low bK hardness was too great cK ultimate tensile strength was too low dK tension temp was too high eK elastic limit was exceeded 1$. Eixed(fxed #artial denture is most #reerred as A. ost conservative B. Can be given in long spans C. Can be given for non parallel abutments %.%iverged abutments 2.+ver tapered abutments 15. In the exam there was a 6uestion about the advantage o FrollH 4PI 8las# 7best esthetics 7minimal tissue contact 7better retention 7minimi,es the need for indirect retention
1,% Impla!t !"t 'a*"urable ! the 14 17 re)"! '"r a 47 /r "l# pt% A.%a&illary sinus e&pansion B.oor bone quality C.+nadequate space for two adjacent implants D. /eed bone augmentation 1.% Muscles reKure# t" cl"se the m"uth tll ce!trc "cclus"!A <. lateral pterygoid ;. medial pterygoid F. masseter ). temporalis
A.< ; F B. ; F ) C. F M ) D. All of the above 1$. RPD 3rame+"r( #"es!t 't the pate!t?s m"uth but seate# "! cast <* distortion of impression ;* inadequate e&pansion of investment 1% Crcum'ere!tal clasp9 hat s !c"rrect
<* 0igid ;F above survey line M fle&ible <F below ;* 2le&ible ;F above survey line M rigid <F below F* #hould always engage deepest undercut )* Cross section is circle :* #hould engage a predetermined undercut
-/ A lad in ?!s had new denture few months back.its ok when denture at rest or when she is talking but gets loose during chewing. LfunctionK She is in earl stage of parkinson arked resorption of mand post region with super erupted ant teeth. axillar ridge has deep undercut Q.1 the red lump on ant max siteM
A. 4ncisive papilla Q.2 reason for denture to become loose A. 4nvoluntar muscles due to parkinson B. Canine interference during lateral movements
C . 4ncrease /%+ % . 4mproper palatal anatom 2. %ue to %ecrease saliva Q37 what is the diNcult during construction of lower R-%O A. >igh occlusal level of lower ant teeth B. 4nade9uate space for the tongue La bit largeK C. Adust occlusal plane according to retromolar.area and newP %.. -roblematic buccal frenums 2. Resorbed upper anterior ridge
OTHFR MCQS 3-e# Pr"sth" 1% hat s :!te?s @a+ ab"ut a. The relation between the span of the bridge and the pontics b. The periodontal area of the abutment teeth c. The relation between the length of the root and the abutment. 2% The #eal le!)th "' c"re ! the 'abrcat"! "' cr"+! a!# c"re "' e!#"#"!tcall/ treate# t""th sA a. <.: of crown length b. The length of the crown c. ;F toothroot length 6% I! the c"!struct"! "' a 'ull *e!eer )"l# cr"+!9 'uture recess"! "' )!)*al tssue ca! be pre*e!te# "r at least m!mse# b/A a. $&tension of the crown < mm under the gingival crevice b. 0eproduction of normal tooth inclines in the gingival one third of the crown c. #light over contouring of the tooth in the gingival one fifth of the crown d. #light under contouring of the tooth in the gingival one fifth of the crown 4% I! ceme!t!) Mar/la!# "r R"che br#)es9 the e''ect s )e!erall/ t"A a. 'ighten the colour of the teeth by the opacity of the cement b. Darken the colour of the abutment by the presence of metal on the lingual c. 5ave no detrimental colour effect d. Darken the abutment teeth by incisal metal coverage 7% Cr"+! 'ts "! the #e9 but "! the t""th there s a #screpa!c/ "' ab"ut 0%6mm9 +hat +ll /"u #" a. 0emake the crown b. @rind the interior of the crown c. repare the tooth further ,% Pate!t +th class I mal"cclus"!9 he has ca!!e )uar# "cclus"!9 +here +ll /"u 'ace #''cultes ! cr"+! preparat"! a. Nou will not face difficulties b. %andibular canine c. %a&illary canine
.% I! sh"rt cl!cal cr"+!s9 +hat s true ! re)ar#s t" cr"+! preparat"! a. The shorter the crown the more parallel the walls should be b. #hort clinical crowns are not good candidates c. The shorter the crown the more tapered the walls should be $% I! c"mpar!) p"rcela! t" metalcr"+! +th 'ull p"rcela! cr"+! ! a!ter"r teethA a. orcelain to metal crown is more conservative 6minimal reduction7 on the palatal surface b. %etal*crowns are more aesthetic than full porcelain c. reparation of the tooth is more simple when doing full porcelain crowns % I! a class II>2 mal"cclus"!9 +hch br#)e #es)! +"ul# be c"!tra!#cate# '"r a mss!) lateral upper !cs"r a. Cantilever bridge b. %aryland bridge c. %etal bridgework 10% hch s the best ca!tle*er br#)e #es)! '"r mss!) ma-llar/ ca!!e :butme!t "! a. Both premolars b. 'ateral and central incisor c. 'ateral incisor d. 2irst premolar 11% hat s the best +a/ t" ceme!t a Mar/la!# br#)e a. @+C b. 0esin c. 5igh compression restorative resin
Rem"*able Partal Pr"sth"#"!tcs 1% hat s true ab"ut partal #e!tures a. They cause immediate changes in the oral plaque behaviour b. /ight wearing of dentures reduces plaque accumulation c. 0elieving the gingival area reduces gingival enlargement 2% The bt!) l"a# "' #e!ture base t" tssues c"mpare# t" teeth sA a. Ten times more b. Ten times less c. $qual 6% :! "cclusal appr"ach!) clasp TIPA a. #hould occupy a predetermined undercut b. Contact the tooth under the survey line c. 0igid 4% I! the c"!struct"! "' partal #e!tures the sur*e/"r s !"t use# t"A a. Contour the wa& as part of the fabrication of the working cast b. 'ocate the guide planes
c. Determine the location of indirect retainers d. +dentify any undesirable undercuts 7% hch "' the '"ll"+!) #"es !"t a''ect the elastct/ "' rete!t*e clasp a. 'ength of the arm b. The cross section shape c. The material used d. The undercut area ,% : partal #e!ture that seats "! the master cast but 'als t" seat c"rrectl/ ! the m"uth s a result "'A a. Contraction of the metal framework during casting b. +nsufficient e&pansion of the investment material c. Distortion of impression d. 2ailure to block out unwanted undercuts .% I! rem"*able partal #e!tures9 the pr!cple "' a! !#rect reta!er s that tA a. #tabilises against lateral movement b. revents setting of major connectors c. 0estricts tissue movement at the distal e&tension base of the partial denture d. %inimises movement of the base away from the supporting tissue $% Sur*e/"r s !"t !#cate# '"r +hch "!e "' the '"ll"+!) a. To determine the place of the indirect retainer b. To determine direct retention c. To establish the line of ma&imum contour % Re)ar#!) the tp "' the rete!t"! arm "' the reta!er ! partal #e!ture9 +hat s true a. +t should engage the predetermined undercut b. +t should engage the ma&imum undercut available c. +t should not engage any undercuts
C"mplete Pr"sth"#"!tcs 1% I' aesthetc s !"t a c"!cer!9 +hat s the 'rst th!) t" #" t" treat s"re!ess u!#er #e!tures a. Take the denture off for a week b. 0inse the denture in nystatin c. Apply tissue conditioner
2% 3ra!('"rt pla!e e-te!#s 'r"mA a. 5ori!ontally from sella to nasion b. Ala of the nose to tragus c. 5ori!ontally from point on superior aspect of e&ternal auditory meatus to orbitale 6% hch "' the '"ll"+!) muscles ma/ a''ect the b"r#ers "' a ma!#bular c"mplete #e!ture a. %entalis b. 'ateral pterygoid
c. (rbicularis oris d. 'evator oris 4% a+ relat"!s '"r e#e!tul"us pate!t ha*e bee! establshe#% The ma-llar/ cast has bee! m"u!te# "! the artculat"r +th"ut 'aceb"+ a!# /"u #ec#e t" !crease the "cclusal *ertcal #me!s"! b/ 4 mm% Ths +ll !ee#A a. (pening the articulator ) mm b. A new centric relation record c. Changes in the condylar guide settings d. +ncrease in the vertical dimension 7% hch "' the '"ll"+!) +ll NOT be use# ! #eterm!at"! "' *ertcal #me!s"! a. Aesthetics b. honetics c. @othic arch tracing d. #wallowing ,% Shape a!# rre)ulart/ "' r#)e e#)e ! a pate!t +h" !ee#s 'ull #e!ture9 +hat s /"ur treatme!t a. Do not proceed with treatment b. %inimal surgical intervention c. +mplant surgery .% hat s mp"rta!t ! #eterm!!) the term!al h!)e a-s a. inematic face bow b. >a& bite registry c. >orking casts in dye stone $% hat s the a#*a!ta)e "' "*er#e!ture ! c"mpars"! t" 'ull #e!ture a. roprioceptors b. #implicity of elaboration c. Aesthetics % 3alure "' #e!ture s c"mm"!l/ #ue t"A a. +ncreased occlusal plane b. Decreased vertical dimension c. +nsufficient denture bearing area d. >rong freeway space 10% D''use pa! u!#er a c"mplete ma!#bular #e!ture s m"st l(el/ cause# b/A a. (vere&tension of the denture flange b. (cclusal plane too high c. (cclusal face height too great d. %ental foramen near crest of ridge
