MDS PREP

Which of the following is correct about root canal preparation
1) Retention form is provided by 2 mm of near parallel walls at the end of root preparation (apical 1/3rd) to provide tug back of master cone
2) Extension form- all instrumentation should terminate 0.5 mm short of radiographic apex
3) Both A and B are wrong
4) Both A and Are correct

Endodontics Answer: 4

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

Hypochlorite does not cause
1. Bleaching
2. Remove smear layer
3. Lubricating
4. Flush out debris

Endodontics Answer: 2

In which of the following conditions corticosteroids may be given
1. Pulp exposure following trauma
2. Pulpal pain where immediate extirpation is not possible
3. Carious pulp exposure
4. Internal and external resorption

Endodontics Answer: 2

EDTA, which is an active ingredient in root canal preparation, has its principal action in
1) Decalcification of dentin
2) Dissolution of necrotic debris
3) Lubrication of the canal during instrumentation
4) All of the above are correct

Endodontics Answer: 4

The vertical fracture of root seen with gutta-percha obturation is due to
1. The vertical compression of warm GP points
2. Lateral condensation of GP points
3. Use of spreader
4. Injection molding technique

Endodontics Answer: 1

Which root canal of maxillary first molar is difficult for instrumentation
1) Mesiobuccal
2) Distobuccal
3) Distolingual
4) Mesio-lingual

Endodontics Answer: 1

Identify the wrong statement about obturation
1. Silver cones are recommended in fine tortuous canals
2. Compaction McSpadden utilises 6000-10,000 rpm
3. Silver cones are recommended for canals in which post is placed
4. All of the above are correct

MDS PREP

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

Hypochlorite does not cause
1. Bleaching
2. Remove smear layer
3. Lubricating
4. Flush out debris

In which of the following conditions corticosteroids may be given
1. Pulp exposure following trauma
2. Pulpal pain where immediate extirpation is not possible
3. Carious pulp exposure
4. Internal and external resorption

EDTA, which is an active ingredient in root canal preparation, has its principal action in
1) Decalcification of dentin
2) Dissolution of necrotic debris
3) Lubrication of the canal during instrumentation
4) All of the above are correct

The vertical fracture of root seen with gutta-percha obturation is due to
1. The vertical compression of warm GP points
2. Lateral condensation of GP points
3. Use of spreader
4. Injection molding technique

Which root canal of maxillary first molar is difficult for instrumentation
1) Mesiobuccal
2) Distobuccal
3) Distolingual
4) Mesio-lingual

Identify the wrong statement about obturation
1. Silver cones are recommended in fine tortuous canals
2. Compaction McSpadden utilises 6000-10,000 rpm
3. Silver cones are recommended for canals in which post is placed
4. All of the above are correct

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MDS PREP

Delta of accessory canals are most found in anterior teeth at1) Apical third of root2) Middle third of root3) Cervical third of root4) Equally distributed

Hypochlorite does not cause 1. Bleaching 2. Remove smear layer 3. Lubricating 4. Flush out debris

In which of the following conditions corticosteroids may be given 1. Pulp exposure following trauma 2. Pulpal pain where immediate extirpation is not possible 3. Carious pulp exposure 4. Internal and external resorption

EDTA, which is an active ingredient in root canal preparation, has its principal action in1) Decalcification of dentin2) Dissolution of necrotic debris3) Lubrication of the canal during instrumentation4) All of the above are correct

The vertical fracture of root seen with gutta-percha obturation is due to 1. The vertical compression of warm GP points 2. Lateral condensation of GP points 3. Use of spreader 4. Injection molding technique

Which root canal of maxillary first molar is difficult for instrumentation1) Mesiobuccal2) Distobuccal3) Distolingual4) Mesio-lingual

Identify the wrong statement about obturation 1. Silver cones are recommended in fine tortuous canals 2. Compaction McSpadden utilises 6000-10,000 rpm 3. Silver cones are recommended for canals in which post is placed 4. All of the above are correct

Explore by subjects

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

Hypochlorite does not cause
1. Bleaching
2. Remove smear layer
3. Lubricating
4. Flush out debris

In which of the following conditions corticosteroids may be given
1. Pulp exposure following trauma
2. Pulpal pain where immediate extirpation is not possible
3. Carious pulp exposure
4. Internal and external resorption

EDTA, which is an active ingredient in root canal preparation, has its principal action in
1) Decalcification of dentin
2) Dissolution of necrotic debris
3) Lubrication of the canal during instrumentation
4) All of the above are correct

The vertical fracture of root seen with gutta-percha obturation is due to
1. The vertical compression of warm GP points
2. Lateral condensation of GP points
3. Use of spreader
4. Injection molding technique

Which root canal of maxillary first molar is difficult for instrumentation
1) Mesiobuccal
2) Distobuccal
3) Distolingual
4) Mesio-lingual

Identify the wrong statement about obturation
1. Silver cones are recommended in fine tortuous canals
2. Compaction McSpadden utilises 6000-10,000 rpm
3. Silver cones are recommended for canals in which post is placed
4. All of the above are correct