title: [Preliminary screen of high cariogenicity Streptococcus mutans strains isolated from clinical specimens].
abstract: OBJECTIVE
  To screen of high cariogenicity Streptococcus mutans (S. mutans) strains isolated from clinical specimens preliminary.
  
  
  METHODS
  Acidogenicity, aciduricity, extracellular polysaccharide production and adhesion of 41 strains of S. mutans isolated from clinical specimens were investigated to screen high cariogenicity S. mutans strains.
  
  
  RESULTS
  There were different cariogenicity among 41 strains of S. mutans, in which 3 strains of S. mutans had all high ability to produce extracellular polysaccharide, adhere to the saliva-coated hydroxyapatite, produce acid and tolerate acid, indicated there were 3 strains with high cariogenicity S. mutans strains isolated from clinical specimens. Another 3 strains of S. mutans with all low ability to produce extracellular polysaccharide, adhere to the saliva-coated hydroxyapatite, produce acid and tolerate acid indicated they were low cariogenicity S. mutans strains isolated from clinical specimens.
  
  
  CONCLUSIONS
  We may have obtained high cariogenicity S. mutans strains isolated from clinical specimens.
authors.affiliation: Dept. of Stomatology, Chinese PLA General Hospital, Beijing 100853, China.
authors.forename: Chenglong
authors.initials: C
authors.lastname: Wang
authors.forename: Jiaojiao
authors.initials: J
authors.lastname: Liu
authors.forename: Donghua
authors.initials: D
authors.lastname: Su
authors.forename: Bingfeng'
authors.initials: B
authors.lastname: Chu
authors.forename: Shaohua
authors.initials: S
authors.lastname: Li
authors.forename: Wei
authors.initials: W
authors.lastname: Xia
authors.forename: Yanping
authors.initials: Y
authors.lastname: Luo
authors.forename: Jiyong
authors.initials: J
authors.lastname: Yang
authors.forename: Hongmei
authors.initials: H
authors.lastname: Ding
authors.forename: Qiang
authors.initials: Q
authors.lastname: Zhao
authors.forename: Bin
authors.initials: B
authors.lastname: Deng
authors.forename: Qing
authors.initials: Q
authors.lastname: Xi
authors.forename: Juan
authors.initials: J
authors.lastname: Xu
authors.forename: Ningsheng
authors.initials: N
authors.lastname: Shao
mesh_terms: D003731:Dental Caries; D017886:Durapatite; D006801:Humans; D012463:Saliva; D013295:Streptococcus mutans
chemical_list: D017886:Durapatite