Objective: To discuss the clinical effect of Anshi class Ⅱ Division 1 malocclusion by using headgear combined with Herbst appliance.Methods: 38 cases of Angle class Ⅱ patients received in our hospital during the period from May 2013 to May 2014 were selected, patients all treated with the head cap combined with Herbst appliance,and the clinical effect was observed.Results: After treatment, there was a significant change in the mandible. Cover of front teeth, covering decreased,ANB decreased, SNB enchanced, Go-Gn enchanced, SNA significantly increased,behind height (S-Go) and front height (N-Me) increased,mandibular plane angle increased, all P<0.05;Angle (Ns-Sn-Pos) decreased significantly compared with baseline,nasolabial angle increased,the lower lip base angle increased, and the upper lip protrusion distance decreased(P<0.05).Conclusion: For Anshi class Ⅱ Division 1 malocclusion patients, Herbst appliance combined with headgear treatment can promote the facial soft tissue profile be normal, it can effectively improve the facial appearance. |
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