Question 208 · LDEK · Endodontic retreatment
Indicate false information concerning root canal retreatment:
- A. root canal retreatment is indicated in the case of teeth with inadequately filled root canals and periapical lesions seen on the X-ray.
- B. in the absence of proper preparation and filling of the root canal, surgical-endodontic or surgical treatment is possible.
- C. final obturation of the root canals of the tooth re-treated endodontically is indicated immediately after root canal preparation.
- D. final obturation of the root canals of the tooth re-treated endodontically should be postponed until the next visit.
- E. temporary filling of the root canals of the tooth re-treated endodontically with Ca(OH)₂ dressing should be carried out immediately after the root canal preparation.
Hint
Retreatment usually deals with a persistent, established infection — consider whether canals should be sealed at the same visit.
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