对根管预备后出现根尖炎反应的原因进行分析。
Objective To analyze causes of periapical inflammation after root canal preparation.
方法用FR根充糊剂对慢性牙髓炎和（或）慢性根尖炎的患牙进行一次性根管治疗。
Method Root canals of chronic pulpitis and (or) apicitis were filled using the FR paste.
前言：目的：观察意向再植术治疗磨牙根尖周炎的临床疗效。
Objective: To observe effects of replantation on treatment of serious periapical periodontitis of molar.
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。
OBJECTIVE: To study the comparison of X-ray diagnosis and clinic pathology diagnosis of chronic periapical periodontitis.
结论FE复合酶是一种安全、有效的控制急性根尖周炎的局部使用药物。
Conclusions fe Compound Enzyme was a safe and effective drug for controlling the local infection of acute apical periodontitis.
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.
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.
随机选择急慢性根尖周炎患者，记录患者用药前各项临床体征。
Patients with acute or chronic apical periodontitis were randomly selected, and their symptoms were recorded before treatment.
目的探讨甘油—氢氧化钙糊剂治疗不可复性牙髓炎、牙髓坏死及根尖周炎的临床效果。
Objective: to discuss the function of glycerol-calcium hydroxide paste in treating irreversible pulpitis, pulp necrosis and apical periodontitis and to observe its clinical effect.
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。
Objective: To compare the difference of effects between the ornidazole-iodoform past and the iodoform past on treatment of deciduous teeth chronic periapical periodontitis.
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：探讨氢氧化钙治疗不可复性牙髓炎、牙髓坏死及根尖周炎的临床效果。
Objective:To discuss the function of calcium hydroxide in treating irreversible pulpitis pulp necrosis and apical periodontitis and to observe its clinical effect.
目的探讨慢性根尖周炎的有效的治疗方法。
Objective Inquiry into the chronic root for sharp week valid treatment method of the inflammation.
结果用预成金属冠治疗的牙髓炎、根尖周炎的患牙的保存和咀嚼功能均较好。
Results It is necessary to reserve the cracked tooth and the function of mastication is better when the preformed metal crown has been worn out.
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。
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：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。
Conclusion: the effects of the ornidazole-iodoform past were better than the iodoform past's on the treatment of deciduous teeth chronic periapical periodontitis.
方法建立大鼠根尖周炎动物模型，于术后1、2、3、4周取下颌骨组织，摄X线牙片、制作石蜡切片；
The SD rats were killed at 1, 2, 3, 4 weeks and mandibular molar teeth X-ray were taken.
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.
方法选择在口腔门诊首次就诊的具有牙髓炎或根尖周炎症状的隐裂牙，采用预成金属冠修复后再作牙髓病治疗。
The method can debase the possibility of the tooth fracture during and after treatment. Methods The patients with cracked teeth have the symptom of pulpitis or periapical periodontitis.
目的探讨替硝唑对诱发性大鼠根尖周炎的作用效应。
Objective To investigate the effect of tinidazole on the induced rat periapical periodontitis.
方法对98例患慢性根尖周炎的老年人在接受根管治疗或空管药物疗法2～10年后的116颗牙进行复查；以周期治疗的80例中青年人的100颗同类牙作对照复查。
Methods 116 teeth from 98 elderly and 100 teeth from 80 young patients were reexamined, which had received root canal therapy 2 to 10 years ago.
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 observe the clinical effects of one off and traditional methods of root canal therapy in primary teeth with fistulous 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 investigate the effects of the paste of the bioactive glass ceramics(BGC paste)on treating chronic periapical periodontitis.
根尖周组织中以慢性炎细胞浸润为主，未见有微生物。
Infiltration of chronic inflammation cell was discovered in periapical tissues with no microorganism observed.
目的：探讨慢性根尖周炎患者进行一次性根管治疗术的急性发作原因和预防措施。
Objective To evaluate and compare the efficacy of calciun hydroxide or formocresol as an intracanal medicament in root canal therapy of periapical periodontitis teeth.
目的：探讨慢性根尖周炎患者进行一次性根管治疗术的急性发作原因和预防措施。
Objective To evaluate and compare the efficacy of calciun hydroxide or formocresol as an intracanal medicament in root canal therapy of periapical periodontitis teeth.
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