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How much reduction in strength and toughness in endodontically treated molars is attributed to changes in collagen cross-linking and dehydration of dentin?

 # How much reduction in strength and toughness in endodontically treated molars is attributed to changes in collagen cross-linking and dehydration of dentin?
A. 5 %
B. 14 %
C. 21 %
D. 60 %


The correct answer is B. 14 %.

There is almost a 14 % reduction in toughness in endodontically treated molars compared with vital dentin due to changes in collagen cross-linking and dehydration of dentin. 

Ref: Cohen 10th Edition , Page 462

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