Conclusion Allograft acelluar dermal matrix can he used as a substitute for reconstruction of oral mucosal defects, but its application in hone defects yet to be studied.

• 结论异体脱细胞组织补片是一种理想的修复口腔黏膜及黏膜下软组织缺损的生物材料，而对骨创面的覆盖修复，其作用需进一步研究。