Mineral trioxide aggregate is a new endondontic material.This paper has summed up the main four characters of MTA,analyzed and summarized the application of MTA to endodontic treatment.

• 本文对无机三氧化集合物的封闭性、组织相容性、抗菌性和促进牙本质再生能力四个方面进行归纳,对国内外关于其在根管治疗中的临床应用进行分析总结。