Clinical Significance of Skull Lateral Film Before and After Functional Correction
XIE Xiao-qiu (The Stomatology Hospital of Nanjing City, Nanjing 210008,China)
The functional correction device developed more than decades with dispute of its mechanism had reached satisfied effect and used widely. Its curative effect could be observed by skull detection. This paper had introduced the detection method as reference of point and line of mandible surface OL and s point vertical Olp and calculate the position change. Further to assess the relation of percentage improvement of cover and molar and the ratio of mandibular and teeth relation. This paper suggested this method could be used in clinc.