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NEET MDS Quiz - Practice Test
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oral surgery - 3 Questions

1
Oral Surgery
The mechanical advantage obtained from the wheel and axle principle of elevator is 
 1. 2.5
 2. 3
 3. 4.6
 4. 6

📝 Explanation:

The mechanical advantage obtained from the wheel and axle principle of elevator is 3.

2
Oral Surgery
A 13 year old boy complains of slight fever, loss of weight and sore throat. The extremity joints are swollen, stiff and painful. The most likely diagnosis is
1. acute gingivostomatitis
2. rheumatoid arthritis
3. chicken pox
4. osteoarthritis

📝 Explanation:

The symptoms of slight fever, loss of weight, sore throat, and swollen, stiff, and painful extremity joints in a 13-year-old boy are characteristic of juvenile rheumatoid arthritis (JRA), which is also known as juvenile idiopathic arthritis. Rheumatoid arthritis is a chronic inflammatory condition primarily affecting the joints.

3
Oral Surgery
When extracting an upper first bicuspid, the apical third of the buccal root is fractured . If the fractured root is not in the socket, it is most commonly found in the
1. buccal soft tissue
2. maxillary sinus
3. palatal soft tissue
4. lingual pouch area

📝 Explanation:

When extracting an upper first bicuspid, the buccal root is typically in close proximity to the buccal cortical plate. Due to the thinness of this bone, a fractured root tip is most likely displaced into the adjacent buccal soft tissue. The maxillary sinus is a possibility for upper molars or second bicuspids, but less common for the first bicuspid's buccal root.

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