title: [An evaluation of crystallinity of fluorapatite formed in silica gel by infrared absorption spectroscopy].
mesh_terms: D001031:Apatites / Q000032:analysis*; D003460:Crystallization; D003731:Dental Caries / Q000517:prevention & control; D003743:Dental Enamel; D006882:Hydroxyapatites; D009967:Orthodontic Appliances; D013055:Spectrophotometry, Infrared
chemical_list: D001031:Apatites; D006882:Hydroxyapatites; C025105:fluorapatite