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NEET MDS Quiz - Practice Test
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Oral Pathology - 3 Questions

1
Oral Pathology
A young patient who has a long standing habit of sucking lemons has loss of tooth substance affecting the anterior teeth. The correct term for this gradual loss of tooth substance is called 
 1. Abrasion
 2. Attrition
 3. Erosion
 4. Intrusion

📝 Explanation:

The gradual loss of tooth substance due to sucking lemons is called erosion.

2
Oral Pathology
Of the following which is most common disorder causing pain about the masticatory apparatus including the TMJ 
 1. Traumatic arthritis
 2. Trigeminal neuralgia
 3. Myofacial pain dysfunction syndrome
 4. Degenerative arthritis

📝 Explanation:

Myofascial pain dysfunction syndrome (MPDS) is the most common disorder causing pain in the masticatory apparatus and TMJ region. It accounts for approximately 80-90% of TMJ-related pain complaints. MPDS involves muscle spasm, tenderness, and dysfunction of masticatory muscles. Traumatic arthritis, trigeminal neuralgia, and degenerative arthritis are less common causes of orofacial pain compared to MPDS.

3
Oral Pathology
If a patient with Raynaud"s disease puts his hand in cold water, the hand appears 
 1. Red
 2. Yellow
 3. White
 4. Blue

📝 Explanation:

In Raynauds disease, when exposed to cold water, the hand appears blue (cyanotic) due to severe vasoconstriction and reduced blood flow. The typical color progression in Raynauds phenomenon is white (blanching) initially, then blue (cyanosis), followed by red (reactive hyperemia) upon rewarming. The blue phase represents the cyanotic stage of the vasospastic response.

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