MDS PREP

No. 10 size file with a taper 0.02 mm has extended 1.0 mm past the apical foramen. Which of the following occurs
1. It opens apical foramen to a minimum diameter of 0.12 mm
2. It reduces the percentage of change from a No. 10 file to a No. 270 file by 50 %
3. It eliminates natural constrictions and results in overfilling
4. All of the above

Endodontics Answer: 1

A 12-years-old child suffers from an avulsed tooth following trauma. The best medium in which to carry the tooth to the dental clinic is
1) Buccal vestibule
2) Milk
3) Water
4) Cotton

Endodontics Answer: 2

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

Chronic periapical abscess can be differentiated from a periapical granuloma by
1) Radiographic examination only
2) Vitality tests
3) Histopathology
4) Subjective symptoms

Endodontics Answer: 3

Internal resorption in a tooth is seen as
1) Calcium hydroxide pulpotomy
2) Replacement resorption
3) Non-proliferation lesion
4) Desensitizing tooth

Endodontics Answer: 3

In case of bleaching technique to remove flurosis stains
1) 1 % ether removes the surface debris
2) 36 % hydrochloric acid etches the enamel
3) Both A and B are correct
4) Both A and B are wrong

Endodontics Answer: 3

Apical surgery is least indicated in
1) Maxillary molars
2) Maxillary premolars
3) Mandibular molars
4) Mandibular premolars

Endodontics Answer: 4

Heat induced gutta-percha (vertical condensation) is particularly useful in which of the following conditions?
1) When there is a larger open apex
2) When there are aberrations ro irregularities in the canal
3) When the canals are curved and small
4) All of the above

MDS PREP

A 12-years-old child suffers from an avulsed tooth following trauma. The best medium in which to carry the tooth to the dental clinic is
1) Buccal vestibule
2) Milk
3) Water
4) Cotton

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

Chronic periapical abscess can be differentiated from a periapical granuloma by
1) Radiographic examination only
2) Vitality tests
3) Histopathology
4) Subjective symptoms

Internal resorption in a tooth is seen as
1) Calcium hydroxide pulpotomy
2) Replacement resorption
3) Non-proliferation lesion
4) Desensitizing tooth

In case of bleaching technique to remove flurosis stains
1) 1 % ether removes the surface debris
2) 36 % hydrochloric acid etches the enamel
3) Both A and B are correct
4) Both A and B are wrong

Apical surgery is least indicated in
1) Maxillary molars
2) Maxillary premolars
3) Mandibular molars
4) Mandibular premolars

Heat induced gutta-percha (vertical condensation) is particularly useful in which of the following conditions?
1) When there is a larger open apex
2) When there are aberrations ro irregularities in the canal
3) When the canals are curved and small
4) All of the above

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MDS PREP

A 12-years-old child suffers from an avulsed tooth following trauma. The best medium in which to carry the tooth to the dental clinic is1) Buccal vestibule2) Milk3) Water4) Cotton

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

Chronic periapical abscess can be differentiated from a periapical granuloma by1) Radiographic examination only2) Vitality tests3) Histopathology4) Subjective symptoms

Internal resorption in a tooth is seen as1) Calcium hydroxide pulpotomy2) Replacement resorption3) Non-proliferation lesion4) Desensitizing tooth

In case of bleaching technique to remove flurosis stains1) 1 % ether removes the surface debris2) 36 % hydrochloric acid etches the enamel3) Both A and B are correct4) Both A and B are wrong

Apical surgery is least indicated in1) Maxillary molars2) Maxillary premolars3) Mandibular molars4) Mandibular premolars

Heat induced gutta-percha (vertical condensation) is particularly useful in which of the following conditions?1) When there is a larger open apex2) When there are aberrations ro irregularities in the canal3) When the canals are curved and small4) All of the above

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A 12-years-old child suffers from an avulsed tooth following trauma. The best medium in which to carry the tooth to the dental clinic is
1) Buccal vestibule
2) Milk
3) Water
4) Cotton

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

Chronic periapical abscess can be differentiated from a periapical granuloma by
1) Radiographic examination only
2) Vitality tests
3) Histopathology
4) Subjective symptoms

Internal resorption in a tooth is seen as
1) Calcium hydroxide pulpotomy
2) Replacement resorption
3) Non-proliferation lesion
4) Desensitizing tooth

In case of bleaching technique to remove flurosis stains
1) 1 % ether removes the surface debris
2) 36 % hydrochloric acid etches the enamel
3) Both A and B are correct
4) Both A and B are wrong

Apical surgery is least indicated in
1) Maxillary molars
2) Maxillary premolars
3) Mandibular molars
4) Mandibular premolars

Heat induced gutta-percha (vertical condensation) is particularly useful in which of the following conditions?
1) When there is a larger open apex
2) When there are aberrations ro irregularities in the canal
3) When the canals are curved and small
4) All of the above