Correlation between soft tissues and position of incisor crown changes in patients with class Ⅲ malocclusion after orthodontic treatment / 中华医学美学美容杂志

ABSTRACT

Objective To assess the relationship between position of incisor and soft tissues changes in class Ⅲ malocclusion cases after orthodontic treatment.Methods All 26 patients in this study were diagnosed as skeletal class Ⅲ malocclusion.The lateral X-ray cephalometric films taken at the beginning and the end of the treatment were analyzed for position of incisor and soft tissues changes.Statistical analysis Waft performed using SAS v8.0 software.Resuits There was correlation between the labial inelination of upper and lower incisors and the soft tissue profile.Conclusion Soft tissue will be harmonious by the labial inclination increase of the upper incisor teeth and reduction of the lower incisor teeth.