2Brezniak N, Wasserstein.Orthodontically induced inflam- matory root resorption.Part I: The basic science aspects [J].Angle Orthod,2002,72(2) : 175-179.
3Glenn Sameshima, Glauser R, Ruhstaller P, et al.Five-year results of implants with an oxidized surface placed predo- mi-nantly in soft bone and subjected to immediate occlu- sal loading[ J ]. Prosthet Dent, 2007,9 (7) : 59-68.
4Burger CL, Mork To, Hutter JW, et al. Direct digital radi- ography versus conventional radiography for estimation of canal length in curred canals[J]. Journal of Endodontics, 1999, 25(4) :260-263.
5Nanekrungsan K, Patanaporn V, Janhom A, et al. External apical root resorption in maxillary incisors in orthodontic patients:associated factors and radiographic evaluation [J].Imaging Sci Dent, 2012, 42(3) : 147-154.
8Ma ZF, Li S, Song YL. The biological effect of dentin non- collagenous proteins (DNCPs)on the human periodontal ligament stem cells (HPDLSCs)in vitro and in vivo [J]. Tissue Engineering Patr A, 2008, 14 (12) :2059-2068.
9Balducci L, Ramachandra A, Hao JJ, et al. Biological markers for evaluation of root resorption [J]. Archives of Oral Biology, 2007, 52(3 ):203-208.
3Kim HS, Lee DS, Lee JH, et al. The effect of odontoblast conditioned media and dentin non-collagenous proteins on the differentiation and mineralization of cementoblasts in vitro [J]. Archives of Oral Biology, 2009, 54:71-79.
4Ma ZF,Li S,Song YL, et al. The biological effect of dentin noncollagenous proteins (DNCPs) on the human periodontal ligament stem cells (HPDLSCs) in vitro and in vivo [J]. tissue engineering Part A, 2008,14 (12) :2059-2068.
5Balducci L, Ramachandran A, Hao JJ, et al. Biological markers for evaluation of root resorption [J]. Archives of Oral Biology, 2007,52: 203-208.
6Kereshanan S,Stephenson P,Waddington R, et al. Identification of dentine sialoprotein in gingival crevicular fluid during physiological root resorption and orthodontic tooth movement [J]. Euro Orthod, 2008, 30 (3) : 307-314.
7George A,Evans CA. Detection of root resorption using dentin and bone markers [J]. Orthod Craniofac Res, 2009,12: 229-235.
8Mogi M,Otogoto J, Ota N, et al. Differential exp ression of RANKL and osteoprotegerin in gingival crevicular fluid of patients with periodontitis [J]. J Dent Res, 2004, 83 (2) : 166-169.
10Brudvik P, Rygh P. The initial phase of orthodontic root resorption incident to local compression of the periodontal ligament [J]. Eur J Orthod, 1993,15 (1) : 249-263.
