Kapoor P, Kharbanda O P
Department of Orthodontics, Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India.
J Indian Soc Pedod Prev Dent. 2011 Jul-Sep;29(3):273-7. doi: 10.4103/0970-4388.85841.
The following case report describes the management of a 6-year-old male patient in early mixed dentition with a mesial step molar relation, an anterior reverse overjet, and skeletal Class III due to a slightly deficient maxilla. The treatment plan included protraction of the maxilla by a reverse pull Petit type facemask for 10 months followed by 15 months of active retention by a Frankel III appliance.
以下病例报告描述了一名6岁处于乳牙恒牙混合早期的男性患者的治疗情况，该患者磨牙关系为近中阶梯型，前牙反覆盖，因上颌骨轻度发育不足导致骨性III类错颌。治疗计划包括使用反向牵引式Petit型面罩前牵引上颌骨10个月，随后使用Frankel III矫治器进行15个月的主动保持。
