Turbid dentin in carious tooth is all EXCEPT_____________?
Correct answer: D. Zone that need not be removed before restoration
- A. Zone of bacterial invasion
- B. Zone which can not be remineralized
- C. Zone in which collagen is irreversibly denatured
- D. Zone that need not be removed before restoration
Explanation
Turbid dentin is infected dentin containing bacteria and collagen that has been irreversibly denatured, so it cannot be remineralized and generally must be removed before restoration. Therefore, saying it need not be removed is the exception.
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