MDS PREP
When the orthodontic force applied is light, resorption will be
1) Apical
2) Direct
3) Indirect
4) Undermining
Orthodontics
Answer: 2
After mixed dentition stage, the arch length from first molar to first molar usually
1) Remains same
2) Increase
3) Decrease
4) Doubles
Orthodontics
Answer: 3
Treatment of diastema because of a thick labial frenum is done
1) After frenectomy
2) Before eruption of canines
3) After eruption of canines
4) Before frenectomy
Orthodontics
Answer: 3
Removal of 7/7 in preference is indicated in
1) Mild class II div I class
2) In adult patients
3) When 8/8 are congenitally absent
4) When 6/6 are inclined distally
Orthodontics
Answer: 1
In fixed orthodontic treatment, how much force is needed for intrusion of four mandibular anterior teeth
1) 50 g
2) 100 g
3) 150 g
4) 200 g
Orthodontics
Answer: 2
According to Moss, growth of periosteal matrices brings about
1) Translation of microskeleton
2) Transformation of microskeleton
3) Translation of macroskeleton
4) Translation of microskeleton
Orthodontics
Answer: 2
Which of the following is the MOST common?
Orthodontics Answer: 3
1. Class III malocclusion
2. Class II malocclusion
3. Class I malocclusion
4. Normal occlusion