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目的：探索应用套筒冠固位技术修复齿槽突裂及前牙区颌骨缺损的可行性。方法：应用４～５只套筒冠做为齿槽突裂及前牙区颌骨缺损修复体的固位体，采用金属网做为缺损区牙齿和软组织修复体的连接体，应用烤瓷冠或金属－树脂冠修复牙列缺损，应用树脂材料修复齿槽突及腭部缺损区；形成套筒冠固位的齿槽突裂及腭部缺损修复体，并采用主、客观指标评价其修复效果。结果：经６例患者２６～２８个月的随访证明：套筒冠式修复体固位稳定良好，取戴方便，舒适耐用，能满意地修复齿槽突裂、前牙区颌骨缺损以及腭部缺损。结论：套筒冠式修复体是一种齿槽突裂及前牙颌骨缺损的良好修复方式，值得推广。
Objective: To explore the feasibility of using sleeve crown retention technique to repair craters and anterior mandibular defect. METHODS: Four to five sleeve crowns were used as the retainers for the crenation and anterior mandibular defect. Metal mesh was used as the interface between the tooth and the soft tissue restoration. Porcelain crowns Or metal-resin crowns were used to repair dentition defect. The resin material was used to repair the alveolar process and the palatal defect area. The craters and the palate defect prosthesis were formed by using crown and crown. The main and objective indexes were used to evaluate the repair effect. Results: Follow-up from 26 to 28 months in 6 patients showed that the sleeve crown prosthesis had a good and stable position, which was convenient and comfortable to wear. It could satisfactorily repair the craters, the anterior mandibular defect and the palate Department of defects. Conclusion: Sleeve crown prosthesis is a good repair method of crenation and anterior teeth jaw defects, which is worth popularizing.