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目的探讨老年患者PFM修复体的失败原因及临床处置方法。方法利用23例松脱失败的老年患者普通金属烤瓷修复体,口内即刻形成桩核,利用原修复体给予重新修复,并进行分析探讨。结果 23例病例,随访2年,21例成功,2例单冠因固位不良脱落,临床成功率90.5%。结论合理选择适应证,规范细致临床操作,利用原修复体重新处置失败病例,既是可行的修复方式,又具有较高的社会价值,值得临床推广。
Objective To investigate the failure causes and clinical treatment of PFM prosthesis in elderly patients. Methods 23 cases of elderly patients with loose failure of common metal porcelain restoration, the immediate formation of stomatal tracts in the mouth, the use of the original prosthesis to give repair and analysis. Results Twenty-three cases were followed up for 2 years, 21 cases were successful, and 2 cases died of poor retention due to poor retention. The clinical success rate was 90.5%. Conclusion Reasonable selection of indications, normative and meticulous clinical practice, the use of the original restoration of the failed cases of disposition, both viable repair methods, but also has a high social value, worthy of clinical promotion.