MDS PREP

In Ackerman-Profitt classification, outer envelope represent
1) Alignment
2) Profile
3) Transverse relation
4) Vertical relation

Orthodontics Answer: 1

Chronological age of a child is
1) Related to developmental status
2) Related closely to dental age
3) Related closely to skeletal age
4) Often independent of skeletal and dental age

Orthodontics Answer: 4

Incompetent lips may be seen in
1) Increased anterior face height
2) Flaccid lips
3) Enlarged adenoids
4) Matured swallow

Orthodontics Answer: 1

A headgear applied to the maxillary molars can serve to improve anterioposterior skeletal dysplasia by
1) Downward and backward rotation of the maxilla
2) Posterior repositioning of the maxillary teeth within the maxilla
3) Rapid palatal expansion
4) Redirection of maxillary growth

Orthodontics Answer: 4

Vertical orthodontic extrusion may be considered when
1) There is a large perforating defect in the middle third of root
2) There is horizontal fracture of apical third of root
3) Root is ankylosed due to replacement resumption
4) There is a sub-crystal coronal third root fracture

Orthodontics Answer: 4

The appliance used to treat thumbsucking
1) Crib appliance
2) Frankel appliance
3) Bionator
4) Activator

Orthodontics Answer: 1

Anchorage is better provided by
1) Single rooted teeth
2) Multi rooted
3) Narrow rooted
4) Small rooted teeth

Orthodontics Answer: 2

Elastics are used in fixed appliances
1) To correct class II molar relation
2) To correct class III molar relation
3) Directly attached to appliance components
4) All of the above

Orthodontics Answer: 4

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MDS PREP

In Ackerman-Profitt classification, outer envelope represent1) Alignment2) Profile3) Transverse relation4) Vertical relation

Chronological age of a child is1) Related to developmental status2) Related closely to dental age3) Related closely to skeletal age4) Often independent of skeletal and dental age

Incompetent lips may be seen in1) Increased anterior face height2) Flaccid lips3) Enlarged adenoids4) Matured swallow

A headgear applied to the maxillary molars can serve to improve anterioposterior skeletal dysplasia by1) Downward and backward rotation of the maxilla2) Posterior repositioning of the maxillary teeth within the maxilla3) Rapid palatal expansion4) Redirection of maxillary growth

Vertical orthodontic extrusion may be considered when1) There is a large perforating defect in the middle third of root2) There is horizontal fracture of apical third of root3) Root is ankylosed due to replacement resumption4) There is a sub-crystal coronal third root fracture

The appliance used to treat thumbsucking1) Crib appliance2) Frankel appliance3) Bionator4) Activator

Anchorage is better provided by1) Single rooted teeth2) Multi rooted 3) Narrow rooted4) Small rooted teeth

Elastics are used in fixed appliances1) To correct class II molar relation2) To correct class III molar relation3) Directly attached to appliance components4) All of the above

Explore by subjects

In Ackerman-Profitt classification, outer envelope represent
1) Alignment
2) Profile
3) Transverse relation
4) Vertical relation

Chronological age of a child is
1) Related to developmental status
2) Related closely to dental age
3) Related closely to skeletal age
4) Often independent of skeletal and dental age

Incompetent lips may be seen in
1) Increased anterior face height
2) Flaccid lips
3) Enlarged adenoids
4) Matured swallow

A headgear applied to the maxillary molars can serve to improve anterioposterior skeletal dysplasia by
1) Downward and backward rotation of the maxilla
2) Posterior repositioning of the maxillary teeth within the maxilla
3) Rapid palatal expansion
4) Redirection of maxillary growth

Vertical orthodontic extrusion may be considered when
1) There is a large perforating defect in the middle third of root
2) There is horizontal fracture of apical third of root
3) Root is ankylosed due to replacement resumption
4) There is a sub-crystal coronal third root fracture

The appliance used to treat thumbsucking
1) Crib appliance
2) Frankel appliance
3) Bionator
4) Activator

Anchorage is better provided by
1) Single rooted teeth
2) Multi rooted
3) Narrow rooted
4) Small rooted teeth

Elastics are used in fixed appliances
1) To correct class II molar relation
2) To correct class III molar relation
3) Directly attached to appliance components
4) All of the above