National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
This study examined the distribution and frequency of oral Veillonella species in the saliva of 107 Thai children with different oral hygiene statuses (good, moderate, and poor). A total of 1609 Veillonella strains were isolated and confirmed by PCR with genus-specific primers. Oral Veillonella isolates were detected at 2-fold higher frequency in subjects with poor than with good or moderate oral hygiene. Veillonella species were identified by one-step PCR using species-specific primers based on rpoB of oral Veillonella species. Veillonella rogosae prevalence was significantly lower in the poor oral hygiene group than in the good oral hygiene groups. Veillonella parvula, V. tobetsuensis, and the unclassified Veillonella isolate were significantly more prevalent in the poor oral hygiene group. Veillonella tobetsuensis was not detected in the good oral hygiene group. Thus, the detection rate of oral Veillonella species such as V. rogosae, V. parvula, and V. tobetsuensis in the saliva indicates the oral hygiene status of children. This is the first report indicating an association between the distribution and frequency of oral Veillonella species in saliva and oral hygiene status of children. Other Veillonella species and novel species of the genus Veillonella may inhabit the oral cavity of children.
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