Comparison of the effect of calcium hydroxide and formocresol on treatment of chronic periapical periodontitis;
目的观察比较氢氧化钙、抗生素制剂和甲醛甲酚在根管内封药的消毒效果。
OBJECTIVE: To study the comparison of X-ray diagnosis and clinic pathology diagnosis of chronic periapical periodontitis.
目的：探讨慢性根尖周炎的x线诊断与临床病理诊断之间的关系。
Conclusion Indoform clont cataplasm is relatively ideal for the one time root canal infilling for chronic periapical periodontitis.
结论碘甲糊剂是较理想的治疗慢性根尖周炎的一次法根充糊剂。
Objective To investigate the effects of the paste of the bioactive glass ceramics(BGC paste)on treating chronic periapical periodontitis.
目的探讨活性玻璃陶瓷（BGC）为主要成分配制成根管充填剂治疗慢性根尖周炎的疗效。
Objective To discuss the method and effect of one-time root canal filling in treating chronic pulpitis and chronic periapical periodontitis.
目的探讨一次性根管充填治疗慢性牙髓炎、根尖周炎的方法和效果。
Conclusion: the effects of the ornidazole-iodoform past were better than the iodoform past's on the treatment of deciduous teeth chronic periapical periodontitis.
结论：奥硝唑碘仿糊剂治疗乳牙慢性根尖周炎的疗效优于碘仿糊剂。
Objective To observe the clinical effects of one off and traditional methods of root canal therapy in primary teeth with fistulous chronic periapical periodontitis.
目的观察一次法和多次法根管治疗在乳牙窦道性根尖周炎治疗中的临床疗效。
Objective: To compare the difference of effects between the ornidazole-iodoform past and the iodoform past on treatment of deciduous teeth chronic periapical periodontitis.
目的：比较奥硝唑碘仿糊剂和碘仿糊剂治疗乳牙慢性根尖周炎疗效的差异。
Conclusion The curative effect of Tri-medicament paste in one-time treatment for chronic periapical periodontitis can reach the same curative effect as regular many-time therapy.
结论三联药物糊剂一次性治疗慢性根尖周炎可达到常规多次治疗法同等疗效。
Conclusions One-time root canal filling can be applied in the treatment of chronic pulpitis and periapical periodontitis with a strict control of indications.
结论严格掌控适应症，一次性根管充填可以进行慢性牙髓炎及慢性根尖周炎的治疗。
Rate of bacteria isolition in chronic periodontitis and chronic periapical are 100% and 97%, aerobes is 3%.
慢性牙周炎厌氧菌的检出率为100％，而慢性根尖周炎厌氧菌的检出率为97％，需氧菌的检出率为3％。
Rate of bacteria isolition in chronic periodontitis and chronic periapical are 100% and 97%, aerobes is 3%.
慢性牙周炎厌氧菌的检出率为100％，而慢性根尖周炎厌氧菌的检出率为97％，需氧菌的检出率为3％。
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