acute periapical periedontitis的用法和样例：
- B. gingivalis and F. nucleatum probably were related to acute periapical inflammation of deciduous teeth.
- Bacteriodes and eusobacterium especially B. gingivalis and F. nucleatum have been more frequently isolated from root canals with acute periapical inflammation than that with chronic ones (P<0.05).
- METHODS: Standard curve of endotoxin was established and the exudant from root canals of 20 cases with acute periapical diseases was used to detect the contents of bacterial endotoxin by AOL method.
- Keywords root canal therapy;acute periapical periodontitis;overfilling;