| [1] | J. D. Featherstone. Prevention and reversal of dental caries: Role of low level fluoride. Community Dentistry and Oral Epidemi- ology, 1999, 27(1): 31-40. | 
                     
                                
                                    
                                        | [2] | T. Aoba. The effect of fluoride on apatite structure and growth. Critical Reviews in Oral Biology & Medicine, 1997, 8(2): 136- 153. | 
                     
                                
                                    
                                        | [3] | K. Cheng, S. Zhang and W. J. Weng. Sol-gel preparation of fluoridated hydroxyapatite in Ca(NO3)2-PO(OH)3-x(OEt)x-HPF6 System. Journal of Sol-Gel Science and Technology, 2006, 38(1): 13-17. | 
                     
                                
                                    
                                        | [4] | F. B. Ayed, J. Bouaziz and K. Bouzouita. Pressureless sintering of fluorapatite under oxygen atmos-phere. Journal of European Ceramic Society, 2000, 20(8): 1069-1076. | 
                     
                                
                                    
                                        | [5] | F. B. Ayed, J. Bouaziz and K. Bouzouita. Calcination and sinter- ing of fluorapatite under argon atmosphere. Journal of Al-loys and Compounds, 2001, 322(1-2): 238-245. | 
                     
                                
                                    
                                        | [6] | Y. M. Chen, X. G. Miao. Thermal and chemical stability of fluorohydroxyapatite ceramics with different fluorine contents. Biomaterials, 2005, 26(11): 1205-1210. | 
                     
                                
                                    
                                        | [7] | C. C. Wu, R. T. Roan and J. H. Chen. Sintering mechanism of the CaF2 on hydroxyapatite by a 10.6-μm CO2 Laser. Lasers in Surgery and Medicine, 2002, 31(5): 333-338. | 
                     
                                
                                    
                                        | [8] | C. C. Wu, S. T. Huang, T. W. Tseng, Q. L. Rao and H. C. Lin. FT-IR and XRD investigations on sintered fluoridated hydroxya- patite composites. Journal of Molecular Structure, 2010, 979 (1-3): 72-76. | 
                     
                                
                                    
                                        | [9] | C. C. Wu, S. T. Huang, T. W. Tseng, Q. L. Rao, H. C. Lin and M. U. Chen. Ex-pression of osteopontin and type I collagen of hFOB 1.19 cells on sintered fluoridated hydroxyapatite composite bone graft materials. Implant Dentistry, 2010, 19(6): 487-497. | 
                     
                                
                                    
                                        | [10] | J. M. Lehn. Su-pramolecular chemistry-scope and perspectives molecules, supermo-lecules, and molecular devices. Angewandte Chemie International Edition, 1988, 27(1): 89-112. | 
                     
                                
                                    
                                        | [11] | J. C. Elliott. Structure and chemis-try of the apatites and other calcium orthophosphates. Amsterdam: Elsevier, 1994. | 
                     
                                
                                    
                                        | [12] | F. Freund, R. M. Knobel. Distribution of fluorine in hydroxya- patite studied by infrared spectroscopy. Journal of Chemical So- ciety, 1977, 6(11): 1136-1140. | 
                     
                                
                                    
                                        | [13] | G. Penel, G. Leroy, C. Rey, B. Sombret, J. P. Huvenne and E. Bres. Infrared and Raman microspectrometry study of fluor- fluor-hydroxy and hydroxy-apatite powders. Journal of Materi- als Science: Materials in Medicine, 1997, 8(5): 271-276. |