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NEET MDS Quiz - Practice Test

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Dental Materials - 3 Questions

1
Dental Materials

What is the main advantage of using glass ionomer cements in dentistry?
1) High compressive strength
2) Chemical bonding to tooth structure
3) Low cost
4) High aesthetic appeal

📝 Explanation:

Glass ionomer cements are known for their ability to chemically bond to tooth structure, particularly dentin and enamel.

2
Dental Materials

What are the advantages of using light-cured composites over chemically cured products?
1) Less porosity, less staining, increased strength, enhanced color stability, and control of working time.
2) Faster curing time, better translucency, and less shrinkage.
3) Longer shelf life and lower cost.
4) Higher wear resistance and easier to manipulate.

📝 Explanation:

Light-cured composites do not require mixing, which reduces porosity and staining. They also allow for better control over working time and increased color stability due to the use of aliphatic amines.

3
Dental Materials

Gypsum Bonded Investment should NOT be heated above

1) 700°C

2) 750°C

3) 800°C

4) 900°C

 

📝 Explanation:

 

 

 

 

 

 

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