Restorations fail for different reasons and under different circumstances.
Which one is not a cause of restoration failure?

A. Excellent materials quality.
B. New hard tissue disease.
C. Manipulative techniques.
D. Technical failure.



Answer :

Final answer:

Excellent materials quality is not a cause of restoration failure and is essential for successful dental restorations.


Explanation:

Excellent materials quality is not a cause of restoration failure. It is, in fact, crucial for successful dental restorations. Factors like manipulative techniques and technical failure can contribute to restoration failure, along with issues like new hard tissue disease.


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