作者: Chanyoung Park , Kitae Park
DOI: 10.5933/JKAPD.2015.42.1.45
关键词: Radiography 、 Maxillary protraction 、 Dentistry 、 Medicine 、 Significant difference 、 Sagittal plane 、 Class iii malocclusion 、 Orthodontics 、 After treatment 、 Hyrax
摘要: The purpose of this study was to compare and evaluate facemask effects when two types intraoral appliances were used for maxillary protraction patients with class III malocclusion. Eighteen malocclusion treated a an average 12 months. Two used: nine bonded expander (Group 1), Hyrax 2). Cephalometric radiographs taken before after treatment. traced, analyzed, the results such as sagittal, vertical soft-tissue changes compared between groups. amount anchorage loss also measured difference All showed significant sagittal skeletal treatment, there no statistically When evaluated, differences shown two. Facemask or is similarly effective method treatment in patients.