根管充填是通过使用充填材料彻底封闭主根管和侧支根管,隔绝根尖周组织与根管系统和口腔环境的接触,促进根尖周病变愈合,防止新的根尖周病变出现。研究表明,约60%的根管治疗失败病例与充填缺陷有关。近年来,随着根管充填技术的进步和材料的更新,根管充填的质量也在不断提高。本 Root canal filling is the use of filling material to completely close the main root canal and lateral branch root canal, isolated periapical tissue and root canal system and oral environment contact, promote periapical lesions heal, prevent the occurrence of new periapical lesions. Research shows that about 60% of the failed cases of root canal therapy are related to filling defects. In recent years, with the progress of root canal filling technology and material updates, the quality of root canal filling is also rising. this