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目的探讨磨牙冠延长术在固定义齿修复中的应用效果。方法选择本院牙科行固定义齿修复的58例患者(61颗患牙,修复牙),在固定义齿修复中采取磨牙冠延长术治疗,在修复后不同时间点对患者义齿修复效果进行观察,并与患者对侧相对应的健康牙齿(63颗牙,对照牙)进行比较。结果修复后第1个月,修复牙PD和SBI均大于对照牙,P<0.05;修复后第3、6个月两组牙体PD、SBI对比差异不明显,P>0.05。结论磨牙冠延长术用于固定义齿修复可有效改善术后牙龈沟深度和龈沟出血指数,对促进患者康复有积极意义,值得临床应用。
Objective To investigate the application effect of molar crown in the restoration of fixed denture. Methods Fifty-eight patients (61 teeth and prosthetic teeth) undergoing orthodontic dentistry in our hospital were treated with molar crown extraction. The denture restoration effect was observed at different time points after repair Healthy teeth corresponding to the contralateral side of the patient (63 teeth, control teeth) were compared. Results At the first month after repair, both PD and SBI were greater than those of control teeth (P <0.05). There was no significant difference in PD and SBI between the two groups at 3 and 6 months after repair (P> 0.05). Conclusion The application of molar crown prolongation for the fixation of denture can effectively improve the depth of gingival sulcus and sulcus bleeding index, which has positive significance for the rehabilitation of patients and is worthy of clinical application.