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ORIGINAL ARTICLE
Year : 2016  |  Volume : 14  |  Issue : 1  |  Page : 10-16

Effectiveness of three different oral hygiene techniques on Viridans streptococci: A randomized controlled trial


1 Department of Public Health Dentistry, Bangalore Institute of Dental Sciences, Bengaluru, Karnataka, India
2 Department of Microbiology, Bangalore Institute of Dental Sciences, Bengaluru, Karnataka, India

Correspondence Address:
N Naveen
Department of Public Health Dentistry, Bangalore Institute of Dental Sciences, #5/3, Hosur Main Road, Lakkasandra, Bengaluru, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2319-5932.178727

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Introduction: Tongue cleaning is an important aspect of oral hygiene maintenance along with other mechanical and chemical aids. These methods have an influence on microorganism count in saliva. Aim: To assess the effectiveness of three different oral hygiene techniques on Viridans streptococci. Materials and Methods: This was a randomized controlled trial with 45 study subjects aged between 14 and 16 years and were randomly allocated into three groups: Group A - plastic tongue scraper, Group B - chlorhexidine mouthwash along with plastic tongue scraper, and Group C - chlorhexidine mouthwash. Unstimulated salivary samples were collected on the 1st, 7th, and 15th day before routine oral hygiene practices. Saliva samples were collected and incubated for 48 h on itis Salivarius(MS) agar. Streptococcus mitis, Streptococcus mutans, and Streptococcus salivarius were counted. Data were analyzed using descriptive and inferential statistics. Results: The mean count of S. mitis, S. mutans, and S. salivarius for Group A, B, and C was found to be significant (P < 0.001) when compared between 1st, 7th, and 15th day. Between-groups comparisons revealed a significant difference between Groups A and C, B and C (P < 0.001). Conclusion: There was a significant reduction in bacterial count in all the participants indicating that all the three methods are useful in improving oral hygiene. Combination technique was found to be most effective.


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