结论：降下唇肌瓣和髂骨移植，制备方法简便，均不需要吻合血管，两者联合应用是修复进展期口底癌术后缺损的理想方法。
Conclusion: Combining depressor labii inferior is flap with iliac bone transfer are suitable for composite reconstruction of the mouth floor defects in advanced cancer patients.
结论：降下唇肌瓣和髂骨移植，制备方法简便，均不需要吻合血管，两者联合应用是修复进展期口底癌术后缺损的理想方法。
Conclusion: Combining depressor labii inferior is flap with iliac bone transfer are suitable for composite reconstruction of the mouth floor defects in advanced cancer patients.
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