5Solow B,Siersbeak Nielsens, Greve E. Airway adequacy, head posture, Crainofacial morphotogy[J]. Am J Orthod, 1984, 86: 214-223.
6Harvold EP, Tomer BS, Vargervik K, et al. Primate experiments on oral respiration[J]. Am J Orthod,1981,79:359-372.
7Silva Filho OG da, Villas Boas MC, Capelozz Filho L. Early correction of posterior crossbite: biomechanical characteristics of the appliance[J]. Am J Orthod, 1995,100(2): 171-181.
8gan P, Hagg U, Yiu C, et al. Soft tissue and dentoskeletal profile changes associated with maxillary expansion and protraction headgear treatment[J]. Am J Orthod Dentofac Orthop,1996,109 (1):38-49.
9Sousa JB, Anselmo-Lima WT, Valera FC, et al. Cephalometric assessment of the mandibular growth pattern in mouth-breathing children.Int J Pediatr Otorhinolaryngol, 2005, 69 (3) : 311-317.
10Ozdemir H, Altin R, Sogut A, et al.Craniofacial differences according to AHI scores of children with obstructive sleep apnoea syndrome: cephalometric study in 39 patients. Pediatr Radiol, 2004, 34 (5) : 393-399.
