5Garat JA, Gordillo ME, Ubios AM. Bone response to different strength orthodontic forces in animals with periodontitis[J].J Periodontal Res,2005,40(6):441-445.
6Feng X,Oba T,Oba Y,et al. An interdisciplinary approach for improved functional and esthetic results in a periodontally compromised adult patient [J].Angle Orthod, 2005,75 (6): 1061-1070.
7Riedmann T, Berg R. Retrospective evaluation of the outcome of or- thodontic treatment in adults LI]. J Orofac Orthop, 1999;60 (2): 108-123.
8Kuroda S, Sugahara T,Takabatake S, et al. Influence of anteroposte- rior mandibular positions on facial attractiveness in Japanese adults [J]. Am J Orthod Dentofacial Orthop, 2009,135 (1):73-78.
9Lisen V,Espeland,Candodont,et al. Perception of personal dental appearance in young adults:Relationship between occlusion,aware- ness, andsatisfaction [J]. AJO-DO, 1991,19 (7) : 234-241.
10Kiekens RMA, Maltha JC, van't Hof MA, et al. Objective measures as indicators for facial esthetics in white adolescents [J]. Angle Orthod, 2006, 76 (4) : 551-556.