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NEET MDS Quiz - Practice Test
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Practice Test

endodontics - 3 Questions

1
Endodontics
When undertaking bleaching of vital teeth of the following are done except
1) Prophylaxis
2) Use of protective eye glasses
3) Use of local anaesthesia
4) Polishing after treatment

📝 Explanation:

Prophylaxis (cleaning the teeth) is typically performed before bleaching to remove surface stains and ensure even results.
Protective eyewear is essential for both the patient and the dental professional to protect the eyes from the bleaching agent and the light source (if used).
Polishing the teeth after treatment helps to smooth the tooth surface and enhance the final appearance.

2
Endodontics

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

📝 Explanation:

When conventional endodontic treatment has failed (evidenced by increasing periapical radiolucency) and retreatment is not feasible due to a post crown, apical curettage with apicectomy is indicated to remove infected tissue and provide retrograde seal.

3
Endodontics
The lower incisors of a patient were injured four years ago. Now radiographs reveal a large radiolucent area associated with the apices of these teeth. Line of treatment is 
 1. Extract four incisors
 2. Perform PA surgery
 3. Endodontic treatment of only non-vital teeth
 4. None of the above

📝 Explanation:

When multiple teeth show periapical radiolucency after trauma, only non-vital teeth require endodontic treatment. Vital teeth with intact pulp should be monitored. Extracting all four teeth or surgery would be too aggressive as initial treatment.

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