Cephalometric analysis in the adolescents with Class Ⅱ division 2 malocclusion treted by strait-archwire appliance
SUN Yang
SUN Zhi-tao
LIU Jie
WANG Yu-cheng
WANG Lei
CUI Yu-mei
Abstract：AIM:To study the profile changes of bone and soft tissue in the addescets with class Ⅱ division 2 malocclusion before and after treatments with strait-archwire appliance.METHODS:Cephalometric analysis of 10 addescents with class Ⅱ division 2 was done before and after treatment with strait-archwire appliance.The data was statistically analyzed.RESULTS:After treatment U1-SN increased by (11.19±15.80)mm, SNA angle decreased by (9.72±5.72)° , ANB angle decreased by(4.56±1.07)°, upper lip convexity decreased by (1.2±0.92)mm, lower lip convexity increased by (0.61±2.50)mm.The patients' facial profile improved significantly.CONCLUSION:Strait-archwire appliance is effective in the treatment of class Ⅱ division 2 malocclusion and in the improvement of ficial profil.
Keywords：angle class Ⅱ division 2 malocclusionficial profileadolescentstrait-archwire appliance
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 475-478,448 )