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近年来应用超声治疗各种类型和不同阶段的牙周病,但疗效报导不一,其原因与所用方法和强度不同有关。本文作者确定研究牙周病时的微循环紊乱状况,及低强度超声对病情经过和微循环的影响。共观察了34例牙周病进展期患者(男14、女29,年龄23～53岁)。对病人进行了临床、X 线和功能检查,唾液和牙周组织的纤维蛋白溶解活性测定,牙龈活检。采用《T-5》型超声治疗仪,声头面积1cm~2,强度0.05～0.2W/cm~2,脉冲式(脉宽10ms),移动法作用于颌骨的牙槽突起的表面,分三区(左、
In recent years, the application of ultrasound treatment of various types and stages of periodontal disease, but reported different effects, the reasons for the use of different methods and intensity. The authors identified microcirculation disturbances in the study of periodontal disease and the effects of low-intensity ultrasound on the course and microcirculation. A total of 34 patients with periodontal disease were observed (male 14, female 29, age 23-53 years). The patient underwent clinical, X-ray and functional tests, determination of fibrinolytic activity in saliva and periodontal tissues, and gingival biopsies. Using “T-5” type ultrasonic therapy instrument, the sound head area of 1cm ~ 2, the intensity of 0.05 ~ 0.2W / cm ~ 2, pulsed pulse width (pulse width 10ms), movement method on the surface of the alveolar process of the jaw, Three districts (left,