Beyond冷光美白联合家庭美白法与单纯Beyond冷光美白法对着色牙的疗效对比(1)
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【摘要】 目的 评价Beyond冷光美白联合家庭美白与单纯Beyond冷光美白法美白着色牙的疗效对比。方法 将60名受试者随机分为两组,每组各30例,试验组用Beyond冷光美白治疗后再使用家庭美白法治疗两周,对照组只用Beyond冷光美白法美白牙齿。于冷光美白术前、术后2周、1个月和6个月后进行比色,计算美白前后的色阶变化。结果 两组都产生了美白效果,两周后比色时试验组平均提高了8个色阶,对照组则提高了7.5个色阶(P>0.05)。一个月后复诊时,对照组平均有2个色阶的牙色回复,试验组则无回复(P>0.05);半年后仅用诊室美白平均有4个色阶的牙色回复,诊室美白和家庭美白平均有2个色阶的牙色回复(P<0.05)。结论 Beyond冷光美白联合家庭美白法与单纯Beyond冷光美白法治疗着色牙均是有效的,并且无明显副作用,但Beyond冷光美白联合家庭美白法可以更持久地维持牙齿美白的效果。
【关键词】牙变色;牙齿美白;冷光美白技术
Comparison of a combined in-office and take-home bleaching method with in-office only bleaching method
WANG Ren-xin,XING Hong-bo,JIANG Shu-cheng.Department of stomatology,Municipal hospital of Weihai,Shandong Province 264200,China
【Abstract】 Objective To compare the clinical effects of combined in-office and take-home bleaching method with in-office only bleaching method.Methods 60 patients with discolored teeth were randomly divided into trial group and control group.Patients in trial group were given combined in-office and at-home tooth bleaching treatment.Patients in control group were give in-office only bleaching treatment.Results The shade change was 8 scales for the trial group,7.5 scales for control group two weeks after treatment(P>0.05).The shade rebound was 2 scales for the control group,none for the trial group one month after treatment(P>0.05).The shade rebound was 2 scales for the trial group,4 scales for the control group six months after treatment(P<0.05).Conclusion Both method are effective on bleaching discolored teeth,but combined in-office and at-home bleaching method is superior to in-office only method in long term effect.
【Key words】Teeth discoloration; Teeth bleaching;Cold light bleaching
随着生活质量的提高,越来越多的人要求有一口洁白的牙齿。因此,牙医寻找简单、实用、经济、效果显著、快速并且安全可靠的牙齿美白方法是十分必须又具有挑战性的课题。
本文对Beyond冷光美白联合家庭美白法与单纯Beyond冷光美白法治疗着色牙进行临床疗效对比,现将结果报告如下。
1 资料与方法
1.1 选择标准 要求每个受试者全身健康状况良好,口内有12颗天然前牙,且无大面积的充填或冠修复体,无龋坏,无牙齿过敏。
1.2 分组 共60名符合条件的受试者参加本研究。其中男26例,女34例,年龄28~40岁。随机分为试验组和对照组,每组30例。试验组用Beyond冷光美白治疗后再使用家庭美白法治疗两周,对照组只用Beyond冷光美白法美白牙齿。于冷光美白术前、术后2周、1个月和6个月后进行比色,计算美白前后的色阶变化。要求在治疗过程中受试者只能使用普通的牙膏及牙刷,不得使用其他美白牙膏和漱口水。
1.3 评定标准 用VITA比色板行脱色前后比色,根据Beyond厂家的指导将VITA比色板按照亮度等级顺序从亮到暗排列。记录美白前后的色阶,两者之差即为美白提高的色阶数,即美白效果。
1.4 方法
1.4.1 术前拍摄患者全口数码相片。美白前用牙刷及牙线将牙齿清理干净,对患者的牙齿进行比色。
1.4.2 两个组所用的诊室美白系统由美国Beyond Technology Corp公司生产,包括Beyond冷光美白仪和美白剂 ......
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