D'Arcangelo Camillo, D'Amario Maurizio
Department of Restorative Dentistry, School of Dentistry, University G. D'Annunzio, Chieti, Italy.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007 Oct;104(4):e98-101. doi: 10.1016/j.tripleo.2007.05.021. Epub 2007 Jul 10.
The purpose of this report is to present the treatment of 2 immature necrotic permanent incisors with the use of apical plugs of mineral trioxide aggregate (MTA) for apexification. With this technique, MTA mixture is used to create an artificial stop against which to condense gutta-percha in pulpless teeth with open apices. The report of these cases confirms that MTA acts an apical barrier and can be considered as an effective material to support regeneration of apical tissue in immature necrotic teeth. The treated teeth were asymptomatic, and radiographic follow-ups showed healing of periradicular tissues and new hard tissue formation in the apical area of the affected teeth.
本报告的目的是介绍使用矿物三氧化物凝聚体（MTA）根尖充填物进行根尖诱导成形术治疗2颗未成熟坏死恒切牙的情况。采用该技术，MTA混合物用于在根尖开放的无髓牙中形成一个人工阻挡物，以此来充填牙胶。这些病例报告证实，MTA起到根尖屏障的作用，可被视为支持未成熟坏死牙根尖组织再生的有效材料。治疗后的牙齿无症状，影像学随访显示患牙根尖周组织愈合，且患牙根尖区有新的硬组织形成。
