Exam questionKROK 2Dentistry ยท 2017
A 37-year-old patient complains of an aesthetic defect. Objectively: the 13 tooth is destroyed by 2/3. The tooth is pulpless, the root canal is filled. How deep should the root canal be opened for pivot crown installation in this patient?
Answer options
- 1/2 of the root canal
- 2/3 of the root canal
- 3/4 of the root canal
- Full length of the root canal
- 1/3 of the root canal
Correct answer
2/3 of the root canal
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