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NEET MDS Quiz - Practice Test
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Practice Test

Oral Pathology - 3 Questions

1
Oral Pathology

The prothrombin levels that is of concern to dentist extraction is 
1. 20 % normal PT
2. 40 % normal PT
3. 50 % normal PT
4. 100 % normal PT

📝 Explanation:

A prothrombin level of 20% normal PT is of concern for dental extractions.

2
Oral Pathology
Mean exposure at skin from an intraoral periapical radiographs 
 1. 300 mR
 2. 0.03 mR
 3. 47 mR
 4. Both A and B

📝 Explanation:

Mean exposure at the skin from intraoral periapical radiographs is 0.03 mR.

3
Oral Pathology
Which of the following has both osteolytic and ossification stages
1) Amelobastoma
2) Odontogenic cyst
3) Periapical cemental dysplasia
4) Complex odontoma

📝 Explanation:

Periapical cemental dysplasia is a benign fibro-osseous lesion that typically affects the periapical bone of vital teeth, most commonly the mandibular anterior incisors. The condition evolves through three distinct stages:

Osteolytic stage: An initial stage characterized by bone resorption, appearing radiolucent (dark) on X-rays.

Cementoblastic (ossification) stage: A mixed stage where calcified material (cementum-like) begins to form within the radiolucent area, appearing as mixed radiolucent/radiopaque.

Mature stage: The lesion becomes predominantly radiopaque (white) as the calcification process completes.

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