MDS PREP

If during an application of an orthodontic force, the level declines to zero between activations then the force duration is classified as
1) Continuous force
2) Interrupted force
3) Intermittent force
4) Differential force

Orthodontics Answer: 3

Forces required for intrusion are in the range of
1) 10-15 g
2) 20-50 g
3) 25-30 g
4) 50-60 g

Orthodontics Answer: 1

Space closure is rapid following loss of which primary molars
1) Maxillary molars; closing within 3 months
2) Mandibular molars; closing within 6 months
3) Maxillary molars; closing within 6 months
4) Mandibular molars; closing within 3 months

Orthodontics Answer: 4

Which of the following are/is not an active component in removable appliance
1) Adams clasp and baseplate
2) Springs and elastics
3) Screws and elastics
4) Labial-bow and springs

Orthodontics Answer: 1

Normal facial index is
1) 65-75 %
2) 75-80 %
3) 80-90 %
4) 100 %

Orthodontics Answer: 3

When the orthodontic force applied is light, resorption will be
1) Apical
2) Direct
3) Indirect
4) Undermining

Orthodontics Answer: 2

Mentalis muscle contraction causes the lower lip to
1) Retrude
2) Protrude
3) Inversion
4) Eversion

Orthodontics Answer: 2

At what age child is expected to have 12 primary teeth and 12 erupted permanent teeth
1. 4.5 years
2. 6.5 years
3. 8.5 years
4. 11.5 years

Orthodontics Answer: 3

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MDS PREP

If during an application of an orthodontic force, the level declines to zero between activations then the force duration is classified as1) Continuous force2) Interrupted force3) Intermittent force4) Differential force

Forces required for intrusion are in the range of1) 10-15 g2) 20-50 g3) 25-30 g4) 50-60 g

Space closure is rapid following loss of which primary molars1) Maxillary molars; closing within 3 months2) Mandibular molars; closing within 6 months3) Maxillary molars; closing within 6 months4) Mandibular molars; closing within 3 months

Which of the following are/is not an active component in removable appliance 1) Adams clasp and baseplate2) Springs and elastics3) Screws and elastics4) Labial-bow and springs

Normal facial index is1) 65-75 %2) 75-80 %3) 80-90 %4) 100 %

When the orthodontic force applied is light, resorption will be1) Apical2) Direct3) Indirect4) Undermining

Mentalis muscle contraction causes the lower lip to1) Retrude2) Protrude3) Inversion4) Eversion

At what age child is expected to have 12 primary teeth and 12 erupted permanent teeth 1. 4.5 years 2. 6.5 years 3. 8.5 years 4. 11.5 years

Explore by subjects

If during an application of an orthodontic force, the level declines to zero between activations then the force duration is classified as
1) Continuous force
2) Interrupted force
3) Intermittent force
4) Differential force

Forces required for intrusion are in the range of
1) 10-15 g
2) 20-50 g
3) 25-30 g
4) 50-60 g

Space closure is rapid following loss of which primary molars
1) Maxillary molars; closing within 3 months
2) Mandibular molars; closing within 6 months
3) Maxillary molars; closing within 6 months
4) Mandibular molars; closing within 3 months

Which of the following are/is not an active component in removable appliance
1) Adams clasp and baseplate
2) Springs and elastics
3) Screws and elastics
4) Labial-bow and springs

Normal facial index is
1) 65-75 %
2) 75-80 %
3) 80-90 %
4) 100 %

When the orthodontic force applied is light, resorption will be
1) Apical
2) Direct
3) Indirect
4) Undermining

Mentalis muscle contraction causes the lower lip to
1) Retrude
2) Protrude
3) Inversion
4) Eversion

At what age child is expected to have 12 primary teeth and 12 erupted permanent teeth
1. 4.5 years
2. 6.5 years
3. 8.5 years
4. 11.5 years