Role of Streptococci as etiological agents of dental caries
Zafar, N., Ali, A., Yasir Afzal, M., Tanveer, Q., Bibi, S., Basit, I., Nasir, H., Imtiaz, S., Nazir, U. (2020). Role of Streptococci as etiological agents of dental caries. EKB Journal Management System, 4(3), 766-778. doi: 10.21608/nrmj.2020.95320
Nishat Zafar; Ashiq Ali; Muhammad Yasir Afzal; Qaisar Tanveer; Sidra Bibi; Irha Basit; Huma Nasir; Shanzay Imtiaz; Usman Nazir. "Role of Streptococci as etiological agents of dental caries". EKB Journal Management System, 4, 3, 2020, 766-778. doi: 10.21608/nrmj.2020.95320
Zafar, N., Ali, A., Yasir Afzal, M., Tanveer, Q., Bibi, S., Basit, I., Nasir, H., Imtiaz, S., Nazir, U. (2020). 'Role of Streptococci as etiological agents of dental caries', EKB Journal Management System, 4(3), pp. 766-778. doi: 10.21608/nrmj.2020.95320
Zafar, N., Ali, A., Yasir Afzal, M., Tanveer, Q., Bibi, S., Basit, I., Nasir, H., Imtiaz, S., Nazir, U. Role of Streptococci as etiological agents of dental caries. EKB Journal Management System, 2020; 4(3): 766-778. doi: 10.21608/nrmj.2020.95320

Role of Streptococci as etiological agents of dental caries

Novel Research in Microbiology Journal
Volume 4, Issue 3, May and June 2020, Page 766-778  XML PDF (435.61 K)
Document Type: Review Article
DOI: 10.21608/nrmj.2020.95320
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Authors
Nishat Zafar email 1; Ashiq Ali2; Muhammad Yasir Afzal3; Qaisar Tanveer4; Sidra Bibi2; Irha Basit5; Huma Nasir1; Shanzay Imtiaz3; Usman Nazir3
1Institute of Microbiology, Faculty of Veterinary Science, University of Agriculture Faisalabad-38000, Pakistan
2Department of Pathology, Faculty of Veterinary Sciences, University of Agriculture, Faisalabad-38000, Punjab, Pakistan
3Department of Microbiology, Government College University, Faisalabad (38000) Pakistan
4Institute of Pharmacy, Physiology and Pharmacology, University of Agriculture, Faisalabad-38000, Pakistan
5Medicinal Biochemistry lab, University of Agriculture, Faisalabad-38000, Pakistan
Abstract
Dental plaques are notorious and lead to dental caries responsible for dental decay. Streptococci are the leading microorganisms associated with dental plaques. These are Gram-positive, normal microbial flora, non-motile, non-spore forming, and facultative anaerobes. These include Alpha, Beta, and Gamma hemolytic species. Streptococcus sp. produces a high amount of lactic acid through the fermentation of sugars, causes lowering of the pH leading to the plaque formation around teeth, and serves as a biofilm. Microbial biofilm provides certain attachment sites for growth and colonization of other bacteria, and also causes resistance to the antimicrobial agents. These Streptococci can be transmitted to the infants through parents or caretakers' kiss.  This mode of transmission is the key role for the contribution of S. mutans in dental caries. In Pakistan, a national survey was conducted in 1992 on tooth decay, which showed that two teeth per person were decayed, missing, or filled, thus becomes an alarming situation. Minimal knowledge related to tooth decay is observed in the clinical settings; however, no similar studies have been carried out in Pakistan.
Keywords
Streptococci; Dental plaques; Lactic acid; Sugars; Fermentation
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