Method Root canals of chronic pulpitis and (or) apicitis were filled using the FR paste.
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。
PM was primarily applied to the teeth suffering from acute or chronic pulpitis , especially molars with vital pulp.
干髓术主要被用于急或慢性牙髓炎，尤其是活髓磨牙的牙髓病治疗；
We found that the check rate of this bacteria in acute pulpitis was notably higher than that of in chronic pulpitis (P<0.05).
结果表明：该菌在急性牙髓炎时的检出率显著高于慢性（P＜0．05）。
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。
Results: Coronal pulp tissue of 77.8% of deciduous teeth with deep caries showed chronic inflammation to various degree or chronic pulpitis with acute attack.
结果：77.8%的冠髓组织有不同程度的慢性炎症和慢性牙髓炎急性发作。
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。
We compared the check rate of peptostreptococu anaerobius in 44 cases of acute pulpitis and 17 chronic cases, and analysed the pathogenicity of this bacteria in different types of pulpitis.
通过44例急性和17例慢性牙髓炎的厌氧消化链球菌检出率比较，探讨了该菌在同一牙病不同类型中的致病作用。
The results point out: chronic dental pulpitis, with long-term symptoms, caused by deep caries, though do not perforate into pulps, there may be many living bacteria in their pulp tissues.
结果提示：深龋引起的长期有症状的慢性牙髓炎，尽管未穿髓，牙髓组织中，仍可有大量活细菌长期存在。
The results point out: chronic dental pulpitis, with long-term symptoms, caused by deep caries, though do not perforate into pulps, there may be many living bacteria in their pulp tissues.
结果提示：深龋引起的长期有症状的慢性牙髓炎，尽管未穿髓，牙髓组织中，仍可有大量活细菌长期存在。
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