Gerlach Klaus Louis, Zahl Christian
Department of Oral and Maxillofacial Surgery, Otto-von-Guericke University of Magdeburg, Germany.
J Orofac Orthop. 2003 Nov;64(6):443-9. doi: 10.1007/s00056-003-0241-7.
The method and first results of transversal expansion with a palatal distractor in adolescents and adults with transverse maxillary deficiencies are presented. In ten patients with a mean age of 25.8 years, a newly developed distractor was applied for bone-borne expansion of the two halves of the maxilla following osteotomy of the lateral walls of the maxillary sinuses and the midpalatal suture. After a 3-week distraction period, mean changes of 8.8 mm in intercanine distance (ICD), 8.6 mm in anterior dental arch width (ADA), and 8.3 mm in posterior dental arch width (PDA) were registered. 6 months after the subsequent multibracket appliance therapy, these values were found to be largely constant.
Because of the short treatment period, the absence of relapses, and the handling simplicity for the patient, this method is recommended for clinical application.
本文介绍了使用腭中缝扩展器对上颌横向发育不足的青少年及成人进行横向扩展的方法及初步结果。对10名平均年龄为25.8岁的患者，在对上颌窦外侧壁及腭中缝进行截骨术后，应用一种新研发的扩展器对上颌两半进行骨支持式扩展。在为期3周的扩展期后，犬牙间距离（ICD）平均增加8.8毫米，前牙弓宽度（ADA）平均增加8.6毫米，后牙弓宽度（PDA）平均增加8.3毫米。在随后进行多托槽矫治器治疗6个月后，这些数值基本保持稳定。
由于治疗周期短、无复发且患者操作简便，该方法推荐用于临床应用。
