Streptococcus sobrinus as a Predominant Oral Bacteria Related to the Occurrence of Dental Caries in Polish Children at 12 Years Old

Izabela Korona-Glowniak (), Agnieszka Skawinska-Bednarczyk, Rafal Wrobel, Justyna Pietrak, Izabela Tkacz-Ciebiera, Monika Maslanko-Switala, Dorota Krawczyk, Adrian Bakiera, Anna Borek, Anna Malm and Maria Mielnik-Blaszczak
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Izabela Korona-Glowniak: Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland
Agnieszka Skawinska-Bednarczyk: Department of Paediatric Dentistry, Medical University of Lublin, 20-093 Lublin, Poland
Rafal Wrobel: Department of Paediatric Dentistry, Medical University of Lublin, 20-093 Lublin, Poland
Justyna Pietrak: Department of Paediatric Dentistry, Medical University of Lublin, 20-093 Lublin, Poland
Izabela Tkacz-Ciebiera: Department of Paediatric Dentistry, Medical University of Lublin, 20-093 Lublin, Poland
Monika Maslanko-Switala: Department of Paediatric Dentistry, Medical University of Lublin, 20-093 Lublin, Poland
Dorota Krawczyk: Department of Paediatric Dentistry, Medical University of Lublin, 20-093 Lublin, Poland
Adrian Bakiera: Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland
Anna Borek: Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland
Anna Malm: Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland
Maria Mielnik-Blaszczak: Department of Paediatric Dentistry, Medical University of Lublin, 20-093 Lublin, Poland

IJERPH, 2022, vol. 19, issue 22, 1-12

Abstract: Dental caries is listed by the WHO as one of the major non-communicable diseases that need to be prevented and treated. The aim of the study was to evaluate the prevalence and severity of caries expressed as the Decayed, Missing and Filled Permanent Teeth (DMFT) index in 12-year-old Polish children and to verify bacterial species related to the occurrence of dental caries. Quantitative real-time PCR analysis of DNA isolated from saliva samples was performed to detect 8 cariogenic and periopathogenic bacterial strains. A total of 118 Polish children were enrolled in the study. They had low mean DMFT scores of 1.58 ± 1.98. The prevalence of dental caries in the children tested was low (53.4%), with a tendency to decrease compared to previous oral surveys. Bacterial abundance of other species in the dental caries and caries-free groups did not differ; however, periopathogenic Prevotella pallens , Fusobacterium nucleatum along with cariogenic Streptococcus mutans and Lactobacillus fermentum were significantly strongly correlated in the caries-active subjects. The prevalence of S. sobrinus was significantly higher in children with dental caries ( p = 0.023) and correlated with higher DMFT. It may temporarily play an important role in the initiation of the cariogenic process or in its enhancement due to an ecological imbalance in dental microbiota.

Keywords: oral microbiota; Streptococcus sobrinus; dental caries; 12-year-old children (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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