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NEET MDS Quiz - Practice Test
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Practice Test

Radiology - 3 Questions

1
Radiology
The bisecting angle technique is used to take 
 1. Bitewing radiographs
 2. Periapical radiographs
 3. True occlusal radiographs of the mandible
 4. None of the above

📝 Explanation:

The bisecting angle technique is used to take periapical radiographs.

2
Radiology
Lamina dura is 
 1. Radiographic appearance of alveolar bone proper
 2. Radiographic appearance of cortical bone
 3. Radiographic appearance of cancellous bone
 4. All of the above

📝 Explanation:

Lamina dura is the radiographic appearance of alveolar bone proper.

3
Radiology
Minimum percentage of cortical bone loss that should occur to be demonstrable in radiographic
1) 6.6 %
2) 13 %
3) 20 %
4) 30-40 %

📝 Explanation:

Radiographic evidence of cortical bone loss typically becomes apparent when at least 13% of the bone height has been lost. This is because the density of the bone and the surrounding structures needs to be significantly altered to be detectable on an X-ray film.

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