title: [Effect to demineralization and remineralization of enamel surface by fluorine].
abstract: OBJECTIVE
  To analyze the mechanism of fluorine by systemic analysis of fluorination-demineralization-remineralization experiments.
  
  
  METHODS
  The enamel specimens were randomly assigned to untreated group (group A), non-fluoride group (group B), low-fluoride group (group C) and high-fluoride group (group D). The in vitro model of fluoride enamel was established in group C and D. Based on that, the establishment of demineralization model and remineralization experiment by pH-cycling in group B, C and D were followed. All enamel specimens were observed by stereomicroscope and scanning electron microscope and compared in surface microhardness value.
  
  
  RESULTS
  There was distinct difference in micro-morphologic appearance on fluoride enamel surface. Artificial caries of fluoride enamel showed a relatively complete surface, the surface microhardness after demineralization and remineralization in fluoride group was higher than non-fluoride group (P < 0.05).
  
  
  CONCLUSIONS
  The fluorinated enamel can enhance cariostatic potential and remineralization capacity of dental enamel.
authors.affiliation: Dept. of Conservative Dentistry and Endodontics, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing Research Center for Oral Diseases and Biomedical Science, Chongqing 401147, China.
authors.forename: Na
authors.initials: N
authors.lastname: Wu
authors.forename: Xuedong
authors.initials: X
authors.lastname: Zhou
authors.forename: Yuqing
authors.initials: Y
authors.lastname: Hao
mesh_terms: D003731:Dental Caries; D003743:Dental Enamel; D005459:Fluorides; D005461:Fluorine; D006801:Humans; D010710:Phosphates; D017001:Tooth Demineralization; D014089:Tooth Remineralization
chemical_list: D010710:Phosphates; C012980:fluorophosphate; D005461:Fluorine; D005459:Fluorides