上颌切牙扭转是临床常见的错牙合畸形,关于上颌切牙严重扭转的报道中,上颌中切牙90°左右扭转较为常见,而180°扭转少有报道,烟台市口腔医院正畸科接诊一患者及其母亲上颌切牙180°扭转病例,现报道如下。一、临床资料患者,女,17岁,汉族,因2|不齐于滨州医学院附属烟台市口腔医院正畸科就诊,要求正畸治疗。 Maxillary incisors torsion is a common malocclusion deformity, on the maxillary incisors severe torsion in the report, the maxillary central incisor around 90 ° torsion is more common, and 180 ° torsion rarely reported, Yantai Orthodontics Department of Stomatology Hospital A case of patients and their mothers maxillary incisors 180 ° torsion cases are reported below. First, the clinical data Patients, female, 17 years old, Han nationality, due to 2 | not align in Binzhou Medical College Yantai Stomatological Hospital orthodontic treatment, requiring orthodontic treatment.