Question # 1 The maxilla enlarges anteroposteriorly by deposition of bone posteriorly at the tuberosities. (a)
True*
(b) False
Question # 2 The normal growth at the condylar cartilage is required for normal mandibular growth. (a)
True*
(b) False
Question # 3 Backward growth rotations are more common than forward rotations. (a)
True
(b) False*
Question # 4 A backward growth rotation tends to cause retroclination of the lower labial segment which is often associated with shorting of the dental arch anteriorly and crowding of the lower incisors. (a)
True
(b) False*
Question # 5 Growth which causes the mass of a bone to be moved relative to its neighbours is known as drift of the bone. (a)
True
(b) False*
Question # 6 At cartilaginous growth centers, osteoblasts lay down a matrix of cartilage within which ossification occurs. (a)
True
(b) False*
1
431 PDS - 2008
Professor M T BUKHARY
Question # 7 Overall as the face enlarges it grows downwards and forwards away from the cranial base. (a)
True*
(b) False
Question # 8 The different parts of the skull follow different growth patterns. (a)
True*
(b) False
Question # 9 Bone is laid down and resorbed by the investing periosteum and by the endosteum within the bone. (a)
True*
(b) False
2
431 PDS - 2008
Professor M T BUKHARY
Adult orthodontic (chapter 19 - L.M.)
Question # 1 Although the dental awareness is growing unfortunately the orthodontic appliances are becoming less socially acceptable by the adult patient. (a)
True
(b) False*
Question # 2 Adults as a fully gown individual are more able to adapt to discrepancies in the occlusion than the children. (a)
True
(b) False*
Question # 3 In adults patients the response to orthodontic forces is less sluggish and tissue reorganization following tooth movement takes longer. (a)
True
(b) False*
Question # 4 Lighter forces should be used in the adult, particularly initially and where periodontal support is reduced. (a)
True*
(b) False
Question # 5 Despite the increased acceptance of orthodontics, adult patients are usually keen for appliances to be unobtrusive as possible. (a)
True*
(b) False
Question # 6 Because of the slower rate of tissue reorganization, retention following orthodontic treatment in the adult may need to be prolonged or even permanent. (a)
True*
(b) False
Question # 7 Initial management of adult patients has to include stabilization of the periodontal condition first. (a)
True*
(b) False
3
431 PDS - 2008
Professor M T BUKHARY
Question # 8 The reduction of the increased overbite is usually relatively straightforward in adult patients. (a)
True*
(b) False
4
431 PDS - 2008
Professor M T BUKHARY
Treatment planning (chapter 7 - L.M.)
Question # 1 It is often better to achieve a compromised result successfully than to fail to complete an ideal treatment plan. (a)
True*
(b) False
Question # 2 When planning treatment the limitation of orthodontic appliances should be borne in mind. (a)
True*
(b) False
Question # 3 The patient’s willing participation and co-operation are essential for successful orthodontic treatment. (a)
True*
(b) False
Question # 4 The first step in the treatment planning process is to decide whether or not treatment is indicated. (a)
True*
(b) False
Question # 5 The orthodontic treatment planning involves visualizing the finished result and then evaluating the required tooth movements. (a)
True*
(b) False
Question # 6 In the orthodontic treatment planning it is advisable to decide what the ideal aims should be and then if necessary to modify them in the light of other consideration such as patient co-operation. (a)
