MDS PREP

Average angle of convexity
1) 85
2) 90
3) 59
4) None of the above

Orthodontics Answer: 4

Ratio of upper face height to lower facial height
1) 45:55
2) 55:45
3) 50:50
4) 60:40

Orthodontics Answer: 1

Torquing movement in orthodontics
1) Is movement of the root without moving the crown
2) Cannot be accomplished in clinical practice
3) Is always deleterious to the tooth
4) None of the above

Orthodontics Answer: 1

A retained lower decidious incisor will usually
1) Deflect permanent teeth lingually
2) Deflect permanent teeth labially
3) Deflect permanent teeth distally
4) Cause ankylosis of permanent teeth

Orthodontics Answer: 1

Inclined plane is a good example of
1) Simple anchorage
2) Reciprocal anchorage
3) Reinforced anchorage
4) Extraoral anchorage

Orthodontics Answer: 3

Which of the following indicates extraction of upper first molars
1) When they are rotated
2) When prognosis is poor
3) For mesial movement of second molars
4) When they are rotated

Orthodontics Answer: 2

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

If a succedaneous tooth fails to erupt, corresponding primary molar
1) Will resorb quickly
2) May remain untill 30 years
3) Will resorb and exfoliate as usual
4) Submerge in later life

Orthodontics Answer: 2

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MDS PREP

Average angle of convexity1) 852) 903) 59 4) None of the above

Ratio of upper face height to lower facial height1) 45:552) 55:453) 50:504) 60:40

Torquing movement in orthodontics 1) Is movement of the root without moving the crown2) Cannot be accomplished in clinical practice3) Is always deleterious to the tooth4) None of the above

A retained lower decidious incisor will usually1) Deflect permanent teeth lingually2) Deflect permanent teeth labially3) Deflect permanent teeth distally4) Cause ankylosis of permanent teeth

Inclined plane is a good example of 1) Simple anchorage2) Reciprocal anchorage3) Reinforced anchorage4) Extraoral anchorage

Which of the following indicates extraction of upper first molars1) When they are rotated2) When prognosis is poor3) For mesial movement of second molars4) When they are rotated

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

If a succedaneous tooth fails to erupt, corresponding primary molar1) Will resorb quickly2) May remain untill 30 years3) Will resorb and exfoliate as usual4) Submerge in later life

Explore by subjects

Average angle of convexity
1) 85
2) 90
3) 59
4) None of the above

Ratio of upper face height to lower facial height
1) 45:55
2) 55:45
3) 50:50
4) 60:40

Torquing movement in orthodontics
1) Is movement of the root without moving the crown
2) Cannot be accomplished in clinical practice
3) Is always deleterious to the tooth
4) None of the above

A retained lower decidious incisor will usually
1) Deflect permanent teeth lingually
2) Deflect permanent teeth labially
3) Deflect permanent teeth distally
4) Cause ankylosis of permanent teeth

Inclined plane is a good example of
1) Simple anchorage
2) Reciprocal anchorage
3) Reinforced anchorage
4) Extraoral anchorage

Which of the following indicates extraction of upper first molars
1) When they are rotated
2) When prognosis is poor
3) For mesial movement of second molars
4) When they are rotated

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

If a succedaneous tooth fails to erupt, corresponding primary molar
1) Will resorb quickly
2) May remain untill 30 years
3) Will resorb and exfoliate as usual
4) Submerge in later life