MDS PREP
Growth of face is completed in following sequence
1) Depth, width, height
2) Width, depth, height
3) Depth, height, width
4) Width, height, depth
Orthodontics
Answer: 2
First evidence of calcification of 3rd molars
1) 1.5 years
2) 4 years
3) 7 years
4) 10 years
Orthodontics
Answer: 4
A 10-year-old child with primary molars in various stages of exfoliation has a slight crowding in the lower anterior. The clinician should
1) Observe him after 1 year
2) Obtain study casts and perform arch-length analysis
3) Observe him after 6 months
4) Delay the treatment until all permanent teeth erupt
Orthodontics
Answer: 2
Helix in a finger spring for mesial movement lies
1) Mesial to the long axis of the tooth
2) Distal to the long axis of the tooth
3) In line to the long axis of the tooth
4) Perpendicular to the long axis of the tooth
Orthodontics
Answer: 3
Length of the maxilla increases by
1) Surface apposition at tuberosity region
2) Growth at mid palatine suture
3) Alveolar growth downwards and forwards
4) All of the above
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