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Investigation of in vitro mineral forming bacterial isolates from supragingival calculus

1 Department of Biology, Faculty of Science, Atatürk University, Erzurum, Turkey
2 Department of Periodontology, Faculty of Dentistry, Atatürk University, Erzurum, Turkey

Correspondence Address:
T Demir,
Department of Periodontology, Faculty of Dentistry, Atatürk University, Erzurum 25240
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Source of Support: None, Conflict of Interest: None

Aim: Although it is known that bacterial mechanisms are involved in dental calculus formation, which is a predisposing factor in periodontal diseases, there have been few studies of such associations, and therefore, information available is limited. The purpose of this study was to isolate and identify aerobic bacteria responsible for direct calcification from supragingival calculus samples. Materials and Methods: The study was conducted using supragingival calculus samples from patients with periodontal disease, which was required as part of conventional treatment. Isolations were performed by sampling the supragingival calculus with buffer and inoculating the samples on media on which crystallization could be observed. The 16S recombinant DNA of the obtained pure cultures was then amplified and sequenced. Results: A few bacterial species that have not previously been associated with mineralization or identified on bacterial plaque or calculus were detected. The bacteria that caused mineralization an aerobic environment are identified as Neisseria flava, Aggregatibacter segnis, Streptococcus tigurinus, and Morococcus cerebrosus. Conclusion: These findings proved that bacteria potentially play a role in the etiopathology of supragingival calculus. The association between the effects of the identified bacteria on periodontal diseases and calculus formation requires further studies.

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