Presence of Streptococcus mutans or Streptococcus sobrinus in Cariostat-inoculated plaque samples from Japanese mother-child pairs
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概要
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The aim of this study was to determine the presence of <I>Streptococcus mutans</I> or <I>Streptococcus sobrinus</I> in Cariostat-inoculated plaque samples obtained from Japanese mother-child pairs through a conventional PCR technique and to establish the presence of these bacteria and caries risk. Oral examination and caries risk assessment using the Cariostat<SUP>®</SUP> were carried out on 168 children, aged 6-31 months, and their mothers. The presence of <I>S.mutans</I> and <I>S.sobrinus</I> in Cariostat-inoculated plaque samples was checked through PCR and tested for relevance with caries risk. A significant correlation (<I>P</I> < 0.001) was found between caries risk of mothers and presence of <I>S.mutans</I> or <I>S.sobrinus</I> in plaque samples from their children in the 19-31-month-old age range. However, no significant relationship found between the presence of either strain in the plaque of younger children (6-18 months) and caries risk of mothers. Likewise, high caries risk was seen in 49.1% of the 19-31-month-old children of high-risk mothers (<I>P</I> < 0.001) and 27% of the 6-18-month-old children of high-risk mothers (<I>P</I> < 0.05). The effectiveness of the Cariostat method for prediction of caries risk can be improved by detecting the presence of <I>S.mutans</I> and <I>S.sobrinus</I> in plaque samples obtained from mothers and their children through conventional PCR techniques.
- 一般社団法人 日本小児歯科学会の論文
一般社団法人 日本小児歯科学会 | 論文
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