论文部分内容阅读
下颌后缩患者在临床上较常见。我院自1996年至今采用肌激动器矫治下颌后缩患者20例,疗程短,疗效显著,深受广大患者的欢迎。临床资料一般资料:本组共20人,其中男8例,女12例,年龄8～12岁,平均年龄10岁。错(牙合)畸形中单纯毛氏Ⅱ~2(下颌后缩)12例,毛氏Ⅱ~2+Ⅰ~2(下颌后缩+轻度牙列拥挤)8例。20例患者均未拔牙。适应证:适用于儿童生长发育旺盛期及混合牙列期,一般在12岁以前矫治效果最好。矫治步骤: (1)首先去除病因。(2)伴上颌轻度牙列拥挤的患者应先用方丝弓固定矫治器排齐牙后,再做肌激动器矫治。(3)肌激动器矫治器的制作:①取模,留记存
Patients with mandibular retrusion are more common in the clinic. Our hospital since 1996 using muscle excitement mandibular retrusion in patients with 20 cases, short course, significant effect, welcomed by the majority of patients. Clinical data General information: This group of 20 people, including 8 males and 12 females, aged 8 to 12 years old, with an average age of 10 years. Among the malocclusion deformities, there were 8 cases of simple Mao Ⅱ ~ 2 (mandibular retrusion), and Ⅱ ~ 2 + Ⅰ ~ 2 (mandibular contraction + mild crowding). None of the 20 patients had tooth extraction. Indications: applies to children with strong growth and mixed dentition period, usually 12 years of age before the best treatment effect. Correction steps: (1) first remove the cause. (2) patients with maxillary mild dentition crowding should first use the arch wire arch orthodontic appliance, then do muscle excitement appliance. (3) muscle excitement appliance production: ① take mold, leaving record