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楔形缺损,临床上较多见,为了改进其治疗方法,我们曾报导[1]采用不磨牙,酸蚀/光敏树脂修复牙颈部楔形缺损,经1(1/2)和5年后临床复查,成功率分别为90.1％和77.78％,效果较满意。但采用紫外光光敏树脂,需特殊设备,且紫外光对人体眼睛和皮肤有损害,不易推广应用。故在此法基础上,将光敏树脂改为自凝复合树脂,经三年临床应用,现将治疗后一年以上复查234牙,作一分析报导。
Wedge-shaped defect, clinically more common, in order to improve its treatment, we have reported [1] with no molar, acid etching / photosensitive resin repair of cervical wedge defect, after 1 (1/2) and 5 years after the clinical review , The success rates were 90.1% and 77.78%, the effect is more satisfactory. However, the use of UV light-sensitive resin requires special equipment, and ultraviolet light on the human eye and skin damage, not easy to promote the application. Therefore, on the basis of this law, the photosensitive resin to self-condensing composite resin, after three years of clinical application, now after treatment more than one year review of 234 teeth, make an analysis report.