4Kilicoglu H, kirlie Y. Profile changes in patients with class Ⅲ malocclusions after De lair mask therapy [ J ]. Am J Orthod Dentofacial Orthop, 1998,113(4) :453 - 462.
2Ngan P, Hagg U, Yiu C, Merwin D, WeiSH. Treatment response to maxillary expansion and protraction. Eur J Orthod. 1996 Apr; 18(2): 151 - 68
3Hiyama S, Suda N, Ishii-Suzuki M, Tsuiki S, Ogawa M,Suzuki S, Kuroda T. Effects of maxillary protraction on craniofacial structures and upper-airway dimension. Angle Orthod. 2002 Feb; 72( 1 ):43-7.
4Gallagher RW, Miranda F, Buschang PH. Maxillary protraction: treatment and posttreatment effects. Am J Orthod Dentofacial Orthop. 1998 Jun; 113(6): 612 - 9.
5Chong YH, Ive JC, Artun J. Changes following the use of protraction headgear for early correction of Class Ⅲmalocclusion. Angle Orthod. 1996; 66(5): 351 - 62.
6Ngan P, Yiu C, HuA, Hagg U, Wei SH, Gunel E.Cephalometric and occlusal changes following maxillary expansion and protraction. Eur J Orthod. 1998 Jun; 20(3):237 - 54.
7Ngan P, Hagg U,Yiu C, Merwin D,Wei SH. Soft tissue and dentoskeletal profile changes associated with maxillary expansion and protraction headgear treatment. Am J Orthod Dentofacial Orthop. 1996 Jan; 109(1): 38 - 49.
8Williams MD,Sarver DM, Sadowsky PL, Bradley E. Combined rapid maxillary expansion and protraction facemask in the treatment of Class Ⅲ malocclusions in growing children: a prospective long-term study. Semin Orthod. 1997 Dec; 3 (4):265 - 74.
9Kondo E, Aoba TJ. Nonsurgical and nonextraction treatment of skeletal Class Ⅲ open bite: its long-term stability. Am J Orthod Dentofacial Orthop. 2000 Mar; 117(3) :267 - 87.
8Nguyen T,Cevidanes L, Cornelis MA, et al. Three-dimensional as- sessment of maxillary changes associated with bone anchored max- illary protraction [ J ]. Am J Orthod Dentofacial Orthop, 2011,140 (6) :790 -798.
9Altug Z,Arslan AD. Skeletal and dental effects of a mini maxillary protraction appliance[ J]. Angle Orthod ,2006,76 (3) :360 - 368.
10Yoshida I, Shoji T, Mizoguchi I. Effects of treatment with a com- bined maxillary protraction and chincap appliance in skeletal Class Ⅲ patients with different vertical skeletal morphologies [ J ]. Eur J Orthod,2007,29 (2) :126 - 133.
