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目的:分析钴铬合金烤瓷全冠返工的原因,探讨钴铬合金烤瓷全冠制作中医技交流的方式方法。方法:技工中心质监小组根据临床医师反馈的信息,对265件返工件进行技术分析,确定返工的技术原因。结果:因技工制作失误共109件(41.13%),其中模型处理30件(27.52%)、金属内冠制作35件(32.11%)、瓷塑形44件(40.37%)。因临床医生失误共156件(58.87%),其中设计不当9件(5.77%)、模型变形21件(13.46%)、牙体预备质量差62件(39.74%)、试戴调磨不当19件(12.18%)、比色问题40件(25.64%)、其他5件(3.20%)。结论:医生失误所致返工的比例高于技工。应加强医技间的交流,共同提高钴铬合金烤瓷全冠的质量,真正体现临床修复技术的先进性,才能获得最佳的修复效果,满足患者在美观、舒适、功能、快速等方面的要求,使患者满意。
OBJECTIVE: To analyze the reasons for the re-employment of the cobalt-chromium alloy porcelain crown, and to explore the ways and means of making the medical technology exchanges with the cobalt-chromium porcelain crown. Methods: Based on the feedback from clinicians, the Quality Supervision and Inspection Center of Technical Center conducted technical analysis on 265 returned workpieces to determine the technical reason of rework. Results: A total of 109 (41.13%) mistakes made by mechanics were made, of which 30 were treated by the model (27.52%), 35 were metal crowns (32.11%) and 44 were porcelain (40.37%). There were 156 errors (58.87%) caused by clinicians, of which 9 were improperly designed (5.77%), 21 (13.46%) were deformed, 62 (39.74%) poorly prepared and 19 (12.18%), 40 colorimetric problems (25.64%) and 5 others (3.20%). Conclusion: The proportion of rework due to doctor errors is higher than that of mechanics. Should strengthen the exchange of medical technology to jointly improve the quality of the whole crown of cobalt-chromium alloy porcelain, and truly embody the advanced clinical repair technology in order to obtain the best repair effect to meet the patients in the beautiful, comfortable, functional, fast and so on Requirements, patient satisfaction.