正畸治疗发展初期,可摘保持器常为临床医师所采用。而近数十年,采用舌侧固定保持器则明显增多。本研究的目的是评价戴用固定保持器与可摘保持器对患者牙周健康的影响。 戴用Begg固定矫治器的患者36例,年龄12.8～21.1岁。对22例有牙列间隙和多数切牙扭转的患者用固定保持器,其余14例患者用可摘保持器。在固定矫治结束后,常规去除粘接剂,打磨清洁牙面,进行牙周预防性治疗。固定保持器患者从尖牙至尖牙的舌面粘接0.0175的麻花形硬丝,注意粘接剂不要与牙 Early stages of orthodontic treatment, removable retainers are often used by clinicians. In recent decades, the use of lingual fixed retainer increased significantly. The purpose of this study was to evaluate the effect of wearing a fixed retainer and a removable retainer on the periodontal health of a patient. 36 patients wearing Begg fixed appliance, aged 12.8 ~ 21.1 years old. Twenty-two patients with a dentition gap and most incisors had a fixed retainer, and the remaining 14 patients had a removable retainer. After the fixed orthodontic treatment, the conventional removal of adhesive, grinding clean teeth, periodontal prophylactic treatment. Fixed retainer Patient from the canine to canine tongue surface bonding 0.0175 twist-shaped hard wire, pay attention to adhesives and teeth