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作 者:王锋[1]
机构地区:[1]大连医科大学附属第一医院口腔科,辽宁大连116011
出 处:《中国实用口腔科杂志》2009年第3期170-171,共2页Chinese Journal of Practical Stomatology
摘 要:目的探讨排龈术和自酸蚀技术联合治疗楔状缺损的可行性。方法选择2005年1月至2006年6月大连医科大学附属第一医院口腔科初诊楔状缺损患者35例,将同一患者的两侧患牙随机分为试验组和对照组(各35颗患牙),试验组患牙使用排龈线排龈,暴露龈壁后使用倒锥钻在龈壁交界处和壁上分别制备固位沟,用德山自酸蚀黏结系统黏结,纳米树脂充填后抛光。对照组患牙在壁上预备釉质斜面,3M全酸蚀黏结,纳米树脂充填后抛光。结果充填后有6颗患牙有冷热敏感加重症状,试验组2例,对照组4例,1周后均恢复。随访2年,试验组充填成功率(90%)明显高于对照组(40%),差异有统计学意义(P<0.05)。结论楔状缺损排龈后预备固位沟再用德山自酸蚀黏结,纳米树脂充填效果好。Objective To discuss the feasibility of wedge-shaped defect treated by self-etching adhesive and gingivalr etraction.Methods Totally 35 patients who had wedge-shaped defect on both sides were enrolled,one side beingt reated by gingival retraction and bonded with an all-in-one self-etching adhesive and the other sides boned with a total-etching adhesive.Results After filling,six teeth became more severe in the sense of coldness and hotness,2 in thee xperiment group and 4 in the control,which recovered after a week.In the 2-year follow-up,the success rate of the experiment group (90%) was higher then the contro (l40%),with statistal difference.Conclusion Self-etching adhesivea nd gingival retraction can be applied to treating wedge-shaped defect.
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