殷子炜,谢思明

相较于传统的根尖诱导成形术和根尖屏障术，牙髓再生治疗对牙髓坏死的年轻恒牙具有能促进牙根继续发育的优势，包括牙根长度和牙本质壁厚度的增加和根尖孔的闭合。支架是牙髓再生治疗成功的三大要素之一，起到模拟天然牙髓的三维结构，为干细胞的增殖、分化和迁移提供微环境的作用。本文选取临床上常用的支架材料（血凝块、富血小板血浆和富血小板纤维蛋白）以及近年来表现出良好潜能的脱细胞牙髓细胞外基质，探讨其在牙髓再生治疗中的应用及前景。

牙髓再生治疗；支架；血凝块；富血小板血浆；富血小板纤维蛋白；浓缩生长因子；脱细胞牙髓细胞外基质

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