Er:YAG激光不翻瓣牙冠延长术在前牙冠折患者中的应用

目的:探究Er:YAG激光不翻瓣牙冠延长术在前牙冠折患者的应用效果。方法:选择2017年1月-2018年12月笔者医院收治的110例前牙冠折患者为研究对象,按照入院先后顺序将其分为观察组(60例)和对照组(50例)。观察组患者采用Er:YAG激光不翻瓣牙冠延长术进行治疗,对照组患者采用传统翻瓣术联合高速涡轮钻修整术完成牙冠延长术。术后对两组患者的疼痛程度、龈缘位置、龈缘出血状况以及美学修复效果进行对比。结果:观察组患者在术后1d、3d和7d的VAS评分均明显低于对照组(P<0.05)、差异比较有统计学意义(P<0.05)。观察组在术后2周、4周、12周的PCM距离均明显大于对照组(P<0.05),两组患者在术后24周的PCM距离比较无统计学意义(P>0.05)。观察组患者在术后2周、4周、12周和24周的改良龈沟出血指数均显著低于对照组,其PES指数评分均明显高于对照组,差异比较有统计学意义(P<0.05)。结论:相对于传统牙冠延长术而言,Er:YAG激光不翻瓣牙冠延长术具有术后反应较轻、能够在较短时间内获得稳定的龈缘位置等优势,有利于前牙冠折患者外形美观的快速修复,值得在临床上推广应用。

Application of Er:YAG Laser Crown Lengthening without Flaps in Patients with Anterior Crown Fracture

Objective To research the effect of Er:YAG laser crown lengthening without flaps in patients with anterior crown fracture.Methods From January 2017 to December 2018,110 patients with anterior crown fracture were divided into observation group (60 cases) and control group (50 cases) according to the order of admission.The patients in the observation group were treated with Er:YAG laser crown lengthening without valves.The patients in the control group were treated with traditional valvuloplasty combined with high-speed turbodrill to complete crown lengthening.The degree of pain,location of gingival margin,bleeding condition of gingival margin and the effect of aesthetic repair were compared between the two groups.Results The VAS scores of the patients in the observation group on the 1st,3rd and 7th day after operation were significantly lower than those in the control group (P<0.05),and the differences were statistically significant (P<0.05).The PCM distances of the observation group at 2,4 and 12 weeks after operation were significantly greater than those of the control group (P<0.05).There was no significant difference in PCM distances between the two groups at 24 weeks after operation (P>0.05).The improved gingival sulcus hemorrhage indexes of the observation group were significantly lower than those of the control group at 2,4,12 and 24 weeks after operation,and the PES scores of the observation group were significantly higher than those of the control group,the differences were statistically significant (P<0.05).Conclusion Compare with traditional crown lengthening surgery,Er:YAG laser non-flapping crown lengthening surgery has the advantages of less postoperative reaction and stable gingival margin position in a short time,which is conducive to the rapid restoration of the beautiful appearance of patients with anterior crown fracture,and is worthy of active promotion in clinical practice.