Interventions that cannot be tested in an RCT for ethical or practical reasons are sometimes included in the categorisation table and are identified with an asterisk.
因为道德或现实的原因而不能进行随机对照试验的干预，我们会将之列入分类表并以星号标明。
CONCLUSION: During the RCT of pulp gangrene and molars, particularity and exactitude of the operation should be enhanced.
结论：牙髓坏疽或多根管磨牙在根管治疗术中应加强治疗的细致性和精确性。
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