MDS PREP
The advantage of electrosurgery over blade for gingival tissue management is
1) Rapid postoperative healing
2) Cheaper
3) Less haemorrhage
4) All of the above
Periodontics
Answer: 3
Which of the following regarding cleaning and shaping of the canal is false
1. Shaping of canal is done after cleaning the apical 1/3rd to ensure patency
2. Shaping facilitates placement of instruments to the working length by increasing the coronal taper
3. Shaping permits more accurate assessment of the apical cross-sectional diameter of the canal
4. None of the above
Endodontics
Answer: 1
Once triturated, the dental amalgam should be condensed within
1) 5 minutes
2) 6 minutes
3) 3 minutes
4) 15 minutes
Conservative Dentistry
Answer: 3
All of the following are true of cleft of secondary palate except
1) May be submucous
2) Common in males
3) Causes cleft lip
4) May involve hard and soft palates
Pedodontics
Answer: 3
A single force applied at which point of a tooth will allow complete translation of the tooth.
1) At the apex
2) At the incisal edge
3) At the center of resistance
4) At the center of rotation
Orthodontics Answer: 3
SOLUTION
Center of resistance- Point analogous to the centers of gravity.
Generally it is constant.In single root it lies between one third and one half of the root apical to alveolar crest.
In multi rooted tooth it lies 1-2 mm apical to furcation
Prophylactic removal of unerupted teeth is accomplished with best results at certain stage of tooth development. The best time to remove such a tooth is
1) When two thirds of the root is formed
2) When the root is completely formed
3) Before any of the root is formed
4) None of the above
Oral Surgery
Answer: 1
Which of the following are full mouth indices?
1) Russell"s periodontal index
2) DMF index
3) CPITN index
4) Both A and B
Community Dentistry
Answer: 4
In dislocation of the jaw, displacement of the articular disc beyond the articular tubercle of the temporomandibular joint results from spasm or excessive contraction of the following muscle
1. Buccinator
2. Lateral pterygoid
3. Masseter
4. Temporalis
Oral Surgery
Answer: 2
In dislocation of the jaw, displacement of the articular disc beyond the articular tubercle of the temporomandibular joint results from spasm or excessive contraction of the lateral pterygoid muscle.