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.
方法：采用产色基质法鲎试验对33例根尖周炎治疗前后根管内的内毒素含量变化进行了检测。
Methods: the limulus lysate test of chromogenic substrate method was applied to detect the change of endotoxin content in 33 teeth with periodontitis before and after root canal treatment.
目的：评价慢性根尖周炎一次性根管治疗的临床效果和可靠性。
Objective: To investigate the effect of single-visit root canal treatment (RCT) on teeth with chronic apical periodontitis using contemporary technique of canal cleaning, shaping and obturation.
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