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Endodontics NEET MDS Practice Test
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Practice Test

Endodontics - 3 Questions

1
Endodontics
Which of the following directly affects the prognosis of an avulsed tooth 
 1. Length of time to the tooth was out of the mouth
 2. Condition of the dental socket when the tooth was replanted
 3. Whether necrotic cementum was removed from the root
 4. Whether the pulp was extirpated to prevent periapical inflammation

📠Explanation:

The length of time the tooth was out of the mouth directly affects the prognosis of an avulsed tooth most significantly. Critical time factors: 1) <30 minutes - excellent prognosis if properly managed, 2) 30-60 minutes - fair prognosis with increased risk of complications, 3) >60 minutes - poor prognosis with high likelihood of replacement resorption, 4) >2 hours - very poor prognosis. Extraoral time determines periodontal ligament cell viability, which is crucial for successful reattachment. While other factors matter, extraoral time is the most critical prognostic factor for avulsed teeth.

2
Endodontics
Medical condition is contraindicated for endodontic therapy
1) Rheumatic heart disease
2) Patients with pacemaker
3) Controlled diabetes
4) None of the above

📠Explanation:

Rheumatic heart disease: Patients with a history of rheumatic fever resulting in heart valve damage previously required antibiotic prophylaxis before dental procedures, including endodontic therapy. 

Patients with pacemaker: The presence of a pacemaker is not a contraindication for endodontic therapy.

Controlled diabetes: Controlled diabetes is not a contraindication for endodontic treatment. In fact, managing dental infections is crucial for patients with diabetes, as an ongoing infection can negatively impact blood glucose control.

3
Endodontics
The X-ray of a traumatized tooth is important because 
 1. To determine root fracture
 2. To assess the stage of root development
 3. As basis for future treatment
 4. All the above

📠Explanation:

Explanation: X-rays are essential in evaluating traumatized teeth for multiple reasons, including detecting root fractures, assessing root development, and planning future treatment. This comprehensive view aids in effective management of dental trauma.

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