Opalescence PF 家庭美白系统牙齿漂白临床效果评价.docVIP

Opalescence PF 家庭美白系统牙齿漂白临床效果评价[摘要]目的:评价Opalescence PF 家庭美白系统漂白牙齿的临床效果。方法:随机选取80名着色牙病例,并分为生理性黄牙、氟斑牙、四环素牙及变色死髓牙4个组,用Opalescence PF 家庭美白系统进行牙齿漂白,以VITA比色板分析脱色效果,用数字化疼痛评判法记录受试者术中牙齿的敏感度,半年后复查评价疗效稳定性。结果:①Opalescence PF 家庭美白系统漂白疗效总有效率为100%,除氟斑牙组漂白显效率高于四环素牙组(P0.05);②除死髓牙组,术中各组部分患者有不同程度的牙齿酸痛症状,但停止用药后2～3h均能缓解;氟斑牙组重度敏感率为21.1%;③术后半年漂白疗效总有效率各组间无统计学差异(P0.05);4组患者术后半年漂白疗效的总有效率与治疗结束时无统计学差异。结论:Opalescence PF 家庭美白系统治疗着色牙效果显著并具有一定的稳定性。 [关键词]牙齿漂白;牙齿敏感;过氧化脲 [中图分类号]R783 [文献标识码]A [文章编号]1008-6455(2010)09-1368-03 Evaluation of the clinical effect of Opalescence PF in-home tooth whitening system on discolored tooth CHEN Chui-shi,LI Bo-you,GENG Fa-yun (Department of Stomatology,Shenzhen Longgang Central Hospital,Shenzhen 518116,Guangdong,China) Abstract: Objective To evaluate the clinical effect of Opalescence PF in-home tooth whitening system on discolored tooth.MethodsEighty discolored patients were selected randomly and received the bleaching treatment with Opalescence PF in-home tooth whitening system.The tooth color was detected with Vita shade guide before and after the treatment,analyze the bleaching effect. The sensitivity of the teeth was recorded in the treatment by Visual analogue scale (VAS).The color improvement maintained was assessed in half a year,and lightening stability were evaluated.ResultsThe significant effective rate was 72.2%.The general effective rate was 100%.The tooth sensitivity appeared in the treatment and relieved in 2～3 hours. The severely sensitive rate was 5.1%.The sensitive rate was 69.6%.For the treatment efficacy between the time of treatment completion and after half a year,there was no significant difference(P0.05). ConclusionThe bleaching effect of Opalescence PF in-home tooth whitening system is good and can maintain a period of time. Key words:tooth bleaching;tooth sensitivity;carbarnide peroxide 随着时代的发展,牙齿美容正在成为当代口腔科学的新重点,牙齿漂白技术是牙齿美容领域的一部分,并自从1989 年美国学者Haywood 和Heymann 首先报道夜间活髓牙漂白技术(nightguard vital bleaching),即家庭漂白技术(in - hom