MDS PREP
Activity of disinfectants is
1. Reduced by organic debris or blood
2. Increased with heat
3. Hastened by adding 5 % oxygen
4. Nullified by ethylene dioxide gas
Endodontics
Answer: 1
A patient had undergone pulpectomy 1 yr back on a maxillary premolar. Tooth was restored with post crown. Now the tooth is asymptomatic but increase in periapical radiolucency is noted. You would like to do
1. Do not treat
2. Apical curettage only
3. Apical curettage apicectomy
4. Conventional root canal treatment
Most of the failures of replanted tooth are due to
1) Replacement resorption
2) Inflammatory resorption
3) External resorption
4) Internal resorption
Endodontics
Answer: 3
Which of the following can be used as root canal filling materials
1. Cements and plastic materials
2. GP points
3. Silver points
4. All of the above
Endodontics
Answer: 4
Testing with cold is carried out best
1) To localize pulpal pain
2) To localize periodontal pain
3) For detecting referred pain
4) To test pulp necorsis
Endodontics
Answer: 1
All are true about walking bleach, except
1. 1-3 appointments are required
2. Never be diluted with water and saline
3. Sodium perborate and hydrogen peroxide are mixed
4. Use of eugenol as temporary is contraindicated
Endodontics
Answer: 2
After treatment of a non-vital tooth with a sinus, the sinus
1. Should be filled with gutta-percha
2. Cauterised electrosurgically
3. Heals by itself, no treatment
4. Cauterised chemically