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目的:探讨与口腔肿瘤有关的下颌骨切除过程中保存下颌骨连续性的技术、方法和价值。方法:对20例口腔癌和下颌骨成釉细胞瘤患者实施下颌骨上边缘切除、下边缘切除、下颌支前边缘切除、内侧骨板板层切除、外侧骨板板层切除,使下颌骨的连续性不中断。结果:所有患者的健侧牙列和残存牙关系得以维持,咀嚼功能基本正常,面部基本对称。随访2年无病理性骨折发生。结论:除下颌骨肿瘤外,口腔肿瘤相关性下颌骨切除都可以实行连续性不中断的保存性下颌骨切除,从而获得更好的术后功能。
OBJECTIVE: To investigate the technique, method and value of preserving mandibular continuity in mandibular resection associated with oral tumors. Methods: Twenty cases of oral carcinoma and mandibular ameloblastoma were performed resection of the upper edge of the mandible, removal of the inferior margin, removal of the anterior margin of the mandibular branch, removal of the lamina of the medial plate, and removal of the lateral plate of the mandible Continuity is not interrupted. Results: The relationship between contralateral dentition and residual dentition in all patients was maintained. The chewing function was normal and the face was basically symmetrical. Follow-up 2 years without pathological fracture occurred. CONCLUSIONS: In addition to mandibular tumors, oral tumor-associated mandibular resections allow continuous, uninterrupted, preserved mandibular resection to achieve better postoperative function.