Exam questionKROK 2Dentistry ยท 2009
A patient complains about a cosmetic defect of the 23 tooth. Objectively: the crown of the 23 tooth is decayed by 80%, the root is stable, the canal is filled up to the top. After examination it was decided to restore the decayed tooth with a cast stump inlay. The root canal of the 23 tooth should be broadened by:
Answer options
- 1/2 of canal length
- 2/3 of canal length
- 1/3 of canal length
- 1/4 of canal length
- By the total canal length
Correct answer
2/3 of canal length
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