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目的:探讨重度磨耗患者应用CAD/CAM树脂高嵌体垫代替传统活动垫作为过渡性修复体在咬合重建中的临床效果。方法:对24例重度磨耗伴牙列缺损的老年患者,分别采用CAD/CAM树脂高嵌体固定垫和活动垫进行咬合重建治疗(CAD/CAM树脂高嵌体垫14例,活动垫10例),对两组患者治疗前后半年颞下颌关节紊乱病(TMJD)临床症状的变化以及两组患者自我感受(稳定性、舒适度、发音、咀嚼效率等)指标进行评估和分析。结果:咬合重建半年后,两组患者TMJD的临床症状均有明显好转,差异有统计学意义(P<0.05);与活动垫相比较CAD/CAM树脂高嵌体固定垫患者主观感受更好,在义齿稳定性、舒适度、发音及咀嚼效率等方面满意度更高,差异均有统计学意义(P<0.05)。结论:CAD/CAM树脂高嵌体固定垫可作为过渡性修复体取代传统活动垫进行咬合重建,使咬合重建的治疗效果明显改善。
Objective: To investigate the clinical effect of applying CAD / CAM resin inlay pad instead of traditional active pad as a transitional restoration in severe wear patients. Methods: Twenty-four elderly patients with severe attrition and dentition defect were treated with CAD / CAM resin inlay pad and active pad respectively (14 cases of CAD / CAM resin inlay pad, Pad in 10 cases). The changes of clinical symptoms of TMJD and the index of self-feeling (stability, comfort, pronunciation, chewing efficiency, etc.) in two groups before and after treatment were evaluated and analyzed. Results: After six months of occlusal reconstruction, the clinical symptoms of TMJD in both groups were significantly improved with statistical significance (P <0.05). The subjective feeling of CAD / CAM resin intima-fixed pontic pad was more Good, more satisfaction in denture stability, comfort, pronunciation and chewing efficiency, the differences were statistically significant (P <0.05). CONCLUSION: The CAD / CAM resin inlay fixation pad can be used as a transitional prosthesis to replace the traditional operation pad for occlusal reconstruction, and the therapeutic effect of occlusal reconstruction is obviously improved.