10 Questions
What percentage of endodontic cases may experience persistent or recurrent symptoms?
10% to 15%
When do many endodontic failures occur following the initial root canal treatment?
Within a year
What is an important part of endodontic treatment traditionally?
Surgery
What does periapical surgery involve?
Resection of the root apex
What are the indications for periapical surgery?
Severe root curvatures
What might be a risk of attempting root canal re-treatment through a crown on a mandibular incisor?
Compromising retention of the restoration
When may root resection and root end filling be considered instead of root canal re-treatment?
When attempting root canal re-treatment is risky
What is a common requirement for surgery in the case of failed treatment on a tooth restored with a post and core?
Failed treatment on a tooth with a post and core restoration
When might surgical removal of an apical segment be necessary after traumatic root fracture?
After pulpal necrosis in the apical segment
What can be done surgically if canals are blocked by objects such as broken instruments and evidence of apical pathosis is found?
Those materials can be removed surgically, usually with a portion of the root
Test your knowledge about the causes and symptoms of endodontic failure with this quiz. Explore the reasons for persistent or recurrent symptoms following conventional endodontic treatment, and learn about recognizing indications of problems with the initial procedure.
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