MDS PREP
Combination of deposition and resorption occurring in the different bones of the skull which result in a growth movement towards the depository surface is termed as
1) Remodelling
2) Displacement
3) Physiologic resorption
4) Drift
Orthodontics
Answer: 4
Which of the following factors may contribute to the severity of the incisor overbite in class II malocclusion?
1) Lip activity
2) Overclosure
3) The degree of lower crowding
4) The AP dental base relationship
Orthodontics
Answer: 4
Optimum orthodontic force, according to Schwartz is
1) 30-60 grams per sq.cm
2) 20-26 grams per sq.cm
3) 20-26 grams per sq.inch
4) 20-26 grams per sq.mm
Orthodontics
Answer: 2
Surgery of the cleft lip should be carried out at
1) 20-30 weeks
2) 2-12 months
3) 3-6 months
4) 5 years
Orthodontics
Answer: 3
Sequence of eruption of permanent maxillary teeth
1) 6-1-2-4-3-5-7
2) 6-1-2-4-5-3-7
3) 6-1-2-3-4-5-7
4) 1-2-3-4-5-6-7
Orthodontics
Answer: 1
A child has an extreme open bite. Only the most posterior teeth contact in the opposite arch. The best procedure for dentist would be
1) Refer the child to an orthodontist for treatment
2) Remove the posterior teeth in each quardant
3) Both of the above
4) None of the above
Orthodontics
Answer: 1
In adams clasp, the angulation of retentive points at the bridge portion of clasp should be
1) 45 degrees
2) 55 degrees
3) 75 degrees
4) 85 degrees
Orthodontics
Answer: 1
Which of the following is an example of a transverse dysplasia?
Orthodontics Answer: 3
1. Open bite
2. Deep bite
3. Posterior crossbite
4. Class II malocclusion