MDS PREP

When the twin block appliances are engaged in full closure the upper and lower bite blocks interlock
1) 45 degrees angle
2) 60 degrees angle
3) 70 degrees angle
4) 90 degrees angle

Orthodontics Answer: 1

If incisor overjet increases during treatment of a class II div I case, it is due to
1) Loss of anchorage
2) Severe opening of bite
3) Loss of retention
4) All of the above

Orthodontics Answer: 1

Use of light cure in orthodontics is done in case of
1) Bonded retainer
2) Fixing the brackets
3) Correction of 1mm midline diastema
4) All of these

Orthodontics Answer: 4

Overbite must be reduced during the first stage of class II/I treatment to
1) Prevent traumatic overbite
2) Disengage buccal cusps
3) Allow lower space to close
4) Permit full overjet reduction

Orthodontics Answer: 4

Which of the following are not myofunctional appliances
1) Begg and edgewise appliances
2) Herbst appliance and activator
3) Anterior bite plane and oral screen
4) Frankel regulator and lip bumper

Orthodontics Answer: 1

Good contacts in primary teeth with lack of spacing predicts
1) Normal occlusion in premanent teeth
2) Crowding in permanent teeth
3) Anterior crossbite
4) Spaced permanent dentition

Orthodontics Answer: 2

Newborn infants are
1) Obligatory oral breathers
2) Obligatory nasal breathers
3) Predominantly oral breathers
4) Nasal and oral breathers

Orthodontics Answer: 2

Accepted latency between exfoliation of deciduous teeth and eruption of succadaneous permanent tooth
1) 3 months
2) 6 months
3) 9 months
4) 12 months

Orthodontics Answer: 2

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MDS PREP

When the twin block appliances are engaged in full closure the upper and lower bite blocks interlock1) 45 degrees angle2) 60 degrees angle3) 70 degrees angle4) 90 degrees angle

If incisor overjet increases during treatment of a class II div I case, it is due to1) Loss of anchorage2) Severe opening of bite3) Loss of retention4) All of the above

Use of light cure in orthodontics is done in case of1) Bonded retainer2) Fixing the brackets3) Correction of 1mm midline diastema4) All of these

Overbite must be reduced during the first stage of class II/I treatment to1) Prevent traumatic overbite2) Disengage buccal cusps3) Allow lower space to close4) Permit full overjet reduction

Which of the following are not myofunctional appliances1) Begg and edgewise appliances2) Herbst appliance and activator3) Anterior bite plane and oral screen4) Frankel regulator and lip bumper

Good contacts in primary teeth with lack of spacing predicts1) Normal occlusion in premanent teeth2) Crowding in permanent teeth3) Anterior crossbite4) Spaced permanent dentition

Newborn infants are1) Obligatory oral breathers2) Obligatory nasal breathers3) Predominantly oral breathers4) Nasal and oral breathers

Accepted latency between exfoliation of deciduous teeth and eruption of succadaneous permanent tooth1) 3 months2) 6 months3) 9 months4) 12 months

Explore by subjects

When the twin block appliances are engaged in full closure the upper and lower bite blocks interlock
1) 45 degrees angle
2) 60 degrees angle
3) 70 degrees angle
4) 90 degrees angle

If incisor overjet increases during treatment of a class II div I case, it is due to
1) Loss of anchorage
2) Severe opening of bite
3) Loss of retention
4) All of the above

Use of light cure in orthodontics is done in case of
1) Bonded retainer
2) Fixing the brackets
3) Correction of 1mm midline diastema
4) All of these

Overbite must be reduced during the first stage of class II/I treatment to
1) Prevent traumatic overbite
2) Disengage buccal cusps
3) Allow lower space to close
4) Permit full overjet reduction

Which of the following are not myofunctional appliances
1) Begg and edgewise appliances
2) Herbst appliance and activator
3) Anterior bite plane and oral screen
4) Frankel regulator and lip bumper

Good contacts in primary teeth with lack of spacing predicts
1) Normal occlusion in premanent teeth
2) Crowding in permanent teeth
3) Anterior crossbite
4) Spaced permanent dentition

Newborn infants are
1) Obligatory oral breathers
2) Obligatory nasal breathers
3) Predominantly oral breathers
4) Nasal and oral breathers

Accepted latency between exfoliation of deciduous teeth and eruption of succadaneous permanent tooth
1) 3 months
2) 6 months
3) 9 months
4) 12 months