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小儿牙弓狭窄的矫治,平均需要2年时间,致使30%的患儿中途停止治疗。为缩短正牙治疗期限,作者用超声脉冲配合正牙治疗,并预先进行了实验研究论证,据实验资料,超声作用第5天,即开始有骨组织生物化学和生物物理学的变化,持续70天。治疗8～13岁的小儿100例,其中超声配合矫治45例(下牙弓狭窄30例,开(牙合)15例),扩展下牙弓时,超声作用于或部(通过牙根投影部皮肤),配合压低后牙时,超声作用于部。用超声仪《T-5》,超声发射头面积1cm~2。超声作用参数:强度为0.4W/cm~2,脉冲延续时间10毫秒,每天作用10分钟共10天。矫治期结束以后,戴用保
Pediatric dental arch stenosis, an average of 2 years, resulting in 30% of children stop treatment halfway. In order to shorten the period of orthodontic treatment, the author used ultrasonic pulse combined with orthodontic treatment, and conducted experimental research and feasibility studies. According to the experimental data, on the fifth day after the sonication, there are biochemical and biophysical changes in the bone tissue, lasting 70 day. Treatment of pediatric patients aged 8 to 13 years 100 cases, including 45 cases of correction with ultrasound (the lower arch of the stenosis in 30 cases, open occlusion) in 15 cases, the expansion of the lower arch, the role of ultrasound or Department (through the root of the Ministry of projection of the skin ), With the reduction of posterior teeth, the role of ultrasound in the Department. Ultrasound “T-5”, ultrasound head area 1cm ~ 2. Ultrasound parameters: intensity of 0.4W / cm ~ 2, pulse duration of 10 milliseconds, the role of 10 minutes a day for a total of 10 days. After the correction period, wear Paul