MDS PREP

Lingually locked of permanent left central incisor in otherwise normal occlusion is due to
1) Prolonged retention of primary left central incisor
2) Prolonged retention of primary right central incisor
3) Both of the above
4) None of the above

Orthodontics Answer: 1

Reciprocal anchorage is offered by
1) Activator
2) Intermaxillary elastics
3) Maxillary expansion appliance
4) Catalan"s appliance

Orthodontics Answer: 3

The lip is supported by
1) Relation of lip edge and facial surfaces of teeth
2) Labial sulcus between teeth and lip
3) Relationship of tongue and teeth
4) None

Orthodontics Answer: 1

Fishman"s index is used in relation with
1) Population
2) Hand-wrist radiographs
3) Cephalograms
4) Periodontal diseases

Orthodontics Answer: 2

Angle"s class II malocclusion is worsened by
1) Overclosure
2) Retarded mandibular growth
3) Open bite
4) High arched palate

Orthodontics Answer: 2

Advantage of using extraoral anchorage
1) Forces as great as 1200 g can be applied
2) Provides reciprocal action on opposite arch
3) Permits posterior movement of teeth in one arch without effecting teeth of opposite arch
4) All of the above

Orthodontics Answer: 4

Cleft palate occurs due to disturbances in..............weeks of IU life
1) 5-8
2) 8-10
3) 10-12
4) 12-14

Orthodontics Answer: 2

As age advances, the human profile generally
1) Remains the same
2) Increases in convexity
3) Decreases in convexity
4) Decreases in concavity

Orthodontics Answer: 3

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MDS PREP

Lingually locked of permanent left central incisor in otherwise normal occlusion is due to1) Prolonged retention of primary left central incisor2) Prolonged retention of primary right central incisor3) Both of the above4) None of the above

Reciprocal anchorage is offered by1) Activator2) Intermaxillary elastics3) Maxillary expansion appliance4) Catalan"s appliance

The lip is supported by1) Relation of lip edge and facial surfaces of teeth2) Labial sulcus between teeth and lip3) Relationship of tongue and teeth4) None

Fishman"s index is used in relation with1) Population2) Hand-wrist radiographs3) Cephalograms4) Periodontal diseases

Angle"s class II malocclusion is worsened by1) Overclosure2) Retarded mandibular growth3) Open bite4) High arched palate

Advantage of using extraoral anchorage1) Forces as great as 1200 g can be applied2) Provides reciprocal action on opposite arch3) Permits posterior movement of teeth in one arch without effecting teeth of opposite arch4) All of the above

Cleft palate occurs due to disturbances in..............weeks of IU life1) 5-82) 8-103) 10-124) 12-14

As age advances, the human profile generally1) Remains the same2) Increases in convexity3) Decreases in convexity4) Decreases in concavity

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Lingually locked of permanent left central incisor in otherwise normal occlusion is due to
1) Prolonged retention of primary left central incisor
2) Prolonged retention of primary right central incisor
3) Both of the above
4) None of the above

Reciprocal anchorage is offered by
1) Activator
2) Intermaxillary elastics
3) Maxillary expansion appliance
4) Catalan"s appliance

The lip is supported by
1) Relation of lip edge and facial surfaces of teeth
2) Labial sulcus between teeth and lip
3) Relationship of tongue and teeth
4) None

Fishman"s index is used in relation with
1) Population
2) Hand-wrist radiographs
3) Cephalograms
4) Periodontal diseases

Angle"s class II malocclusion is worsened by
1) Overclosure
2) Retarded mandibular growth
3) Open bite
4) High arched palate

Advantage of using extraoral anchorage
1) Forces as great as 1200 g can be applied
2) Provides reciprocal action on opposite arch
3) Permits posterior movement of teeth in one arch without effecting teeth of opposite arch
4) All of the above

Cleft palate occurs due to disturbances in..............weeks of IU life
1) 5-8
2) 8-10
3) 10-12
4) 12-14

As age advances, the human profile generally
1) Remains the same
2) Increases in convexity
3) Decreases in convexity
4) Decreases in concavity