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目的统计分析无牙颌患者采用鼻旁骨劈开复合鼻底提升种植术后的留存率与并发症发生率,明确该手术在严重萎缩无牙颌种植的可行性。方法对19例严重上颌骨萎缩无牙颌患者进行鼻旁骨劈开复合鼻底提升术同期植入44颗种植体,对手术结果进行统计分析。结果种植体6个月后的总体留存率为86.4%,留存率与植入初始扭矩具有相关性。并发症发生率由高到低依次为肿胀、疼痛、瘀斑、出血,19例患者均在12～24h时出现明显局部肿胀。结论鼻旁骨劈开复合鼻底提升术是一种简单可行的技术,可有效用于严重上颌骨萎缩无牙颌患者的种植体植入。
Objective To analyze the survival rate and complication rate of edentulous jaw patients after nasal bony cleavage combined with nasal ascending implant surgery to clarify the feasibility of edentulous jaw implants in severe atrophy. Methods Nineteen patients with severe maxillary atrophy and edentulous jaw were treated with nasal bone splitting combined with nasal ascending surgery. 44 implants were implanted in the same period. The surgical results were statistically analyzed. Results The overall survival rate of implants after 6 months was 86.4%. The retention rate was correlated with the initial torque of implants. The incidence of complications from high to low followed by swelling, pain, ecchymosis, bleeding, 19 patients were significantly increased at 12 ~ 24h local swelling. Conclusions The nasal split bifurcation combined with nasal astigmatism is a simple and feasible technique, which can be effectively used for implants implantation in patients with severe maxillary atrophy and edentulous jaw.