NEET MDS Quiz - Practice Test

1

Endodontics

Endodontic therapy in a single rooted teeth is contraindicated in
1) PA abscess
2) Horizontal root fracture
3) Vertical root fracture
4) Chronic abscess & sinus

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Endodontic therapy (root canal treatment) is generally effective for conditions like a periapical (PA) abscess, horizontal root fractures (depending on location), and chronic abscesses, provided the tooth is restorable.

�However, a vertical root fracture often has a poor prognosis because the fracture line provides a pathway for bacterial contamination along the entire length of the root, leading to irreversible periodontal destruction that cannot be effectively sealed or treated through conventional endodontics.

2

Endodontics

Apicoectomy is indicated in which one of the following cases?
1. Persistent positive results of root canal culture for microorganisms
2. Incomplete obturation in apical part of root canal with persistent infection
3. Presence of a minor pulp stone in pulp chamber
4. All of the above

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

The answer should be 4 (All of the above) as persistent positive cultures, incomplete apical obturation with infection, and some cases with pulp stones are all potential indications for apicoectomy when conventional treatment fails.

3

Endodontics

Proximal caries results in pulpal involvement. Restoration of choice after endodontically treating this tooth
1. MOD inlay
2. MOD onlay
3. Full crown
4. None of the above

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

After endodontic treatment, teeth lose moisture and become more brittle. An MOD onlay provides better protection by covering cusps and distributing occlusal forces, unlike an inlay which does not protect cusps from fracture.

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