根尖周炎 [口腔] periapical periodontitis ; Diseases of periapical tissue
慢性根尖周炎 chronic periapical periodontitis ; chronic apical periodontitis
急性根尖周炎 acute apical periodontitis ; acute periapical periodontitis
难治性根尖周炎 Refractory periapical periodontitis
急性浆液性根尖周炎 acute serous periapical periodontitis
急性化脓性根尖周炎 Acute suppurative periapical periodontitis
浆液性根尖周炎 [口腔] serous periapical periodontitis
目的：探讨替硝唑复合糊剂和甲醛甲酚液对慢性根尖周炎根管治疗期间急症的疗效差异。
Objective: To observe the effects of tinidazole composite cataplasm and formaldehyde cresol solution on the incidence of acute inflammation in root canal treatment of chronic periodontitis patients.
目的：了解感染根管内产黑色素类杆菌（BPB）的定植情况，进一步探讨BPB与慢性根尖周炎临床症状的相关性。
OBJECTIVE To study the colonization of Black-pigmented bacteria(BPB)in infected root canals and discuss the correlation between Black-pigmented bacteria and clinical symptoms in chronic 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。
Conclusion Indoform clont cataplasm is relatively ideal for the one time root canal infilling for chronic periapical periodontitis.
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