Conclution Mastoid cortex bone and self-incus are feasible materiat to tympanoplasty, while self - thrombus and gelatin sponge is good support material for reconstructing auditory ossicle chains.

• 结论乳突皮质骨及自体砧骨是很好的鼓室成型材料,自体血凝块加明胶海绵小碎块是良好的重建听骨链的支撑材料。