Pyroplastic flow of porcelain is due to___________________?
Correct answer: C. High temperature during glazing
- A. Improper condensation
- B. Low temperature during glazing
- C. High temperature during glazing
- D. High firing temperature
Explanation
Pyroplastic flow is the viscous deformation of porcelain at elevated firing or glazing temperatures, especially when the softened porcelain is unsupported. Thus, high temperature during glazing can cause the restoration to sag or distort.
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34 free Dental Ceramics MCQs from Dental Materials, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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