MDS PREP
The most generally accepted treatment of horizontal root fracture in the apical third of a maxillary central incisor involves
1. Splinting with orthodontic bonds and a sectional arch wire
2. Frequent pulp testing and radiographic examination
3. Extraction of the tooth
4. Immediate pulp extirpation
Endodontics
Answer: 2
Delta of accessory canals are most found in anterior teeth at
1. Apical third of root
2. Middle third of root
3. Cervical third of root
4. Equally distributed
Endodontics
Answer: 1
Single sitting root canal treatment is done on tooth that is
1. Asymptomatic
2. Single rooted
3. Multi-rooted
4. Non vital
Endodontics
Answer: 1
To prevent the fracture of an endodontic instrument the number of turns given inside the canal in a single motion should be
1. Less than 1/4 of a turn
2. 1/4 to 1/2 turn
3. 1/2 of a turn
4. More than 3/4
Endodontics
Answer: 2
A severe blow to a permanent anterior tooth not resulting in fracture, commonly leads to
1. Pulpal death in the absence of treatment
2. Death of pulpal despite treatment
3. Fracture of involved bone
4. Mobility of central incisors
Endodontics
Answer: 2
RC-prep is a combination of
1. EDTA with carbamide periodide
2. EDTA with hydrogen periodide
3. EDTA with sodium hypochlorite
4. EDTA with urea periodide