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NEET MDS Quiz - Practice Test

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oral pathology - 3 Questions

1
Oral Pathology
Delayed dentition with multiple supernumerary teeth is seen in  
 1. Hypoparathyroidism
 2. Cleidocranial dysplasia
 3. Pierre Robin syndrome
 4. Mongolism (Down"s syndrome)

📝 Explanation:

Cleidocranial dysplasia is characterized by delayed dentition with multiple supernumerary teeth, often impacted. This condition also shows delayed closure of fontanelles, absent or hypoplastic clavicles, and multiple dental anomalies. Hypoparathyroidism, Pierre Robin syndrome, and Down syndrome do not typically present with multiple supernumerary teeth as a characteristic feature.

2
Oral Pathology
The X-ray collimators commonly used in dentistry include the following except 
 1. Diaphragm collimator
 2. Tubular collimator
 3. Rectangular collimator
 4. Square collimator

📝 Explanation:

Square collimators are not commonly used in dentistry.

3
Oral Pathology
The following site is the common involvement in cases of myositis ossificans 
 1. Masseter
 2. Hyoglossus
 3. Stylohyoid
 4. Lateral pterygoid

📝 Explanation:

Myositis ossificans commonly involves the masseter muscle in the head and neck region. The masseter is the most frequently affected masticatory muscle, often following trauma or injury. This condition involves heterotopic bone and cartilage formation within muscle tissue. Hyoglossus, stylohyoid, and lateral pterygoid muscles are less commonly affected by myositis ossificans.

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