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A Microbiological Assessment of Polymer and Conventional Carbide Burs in Caries Removal

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Purpose: The purpose of this study was to compare the caries removal efficiency of polymer burs (Smartburs) and conventional carbide burs microbiologically. Methods: Twenty-four patients participated, each presenting 2 active carious lesions on the occlusal surfaces of primary molars. Sample-taking and caries-removal were done in the following order: (1) first sample (from the carious dentin); (2) caries removal (with a Smartbur or carbide bur); and (3) second sample (from the caries-free dentin), respectively. The samples were processed in a laboratory and spread on various media. The colonies on the agar plates were counted, and then numbers of CFU/ml were calculated. Results: There were no statistically significant differences between the numbers of CFU/ml in the carious dentin before preparation, comparing the Smartbur group and carbide bur group for all the media used (P>.05). There were statistically significant differences in the numbers of CFU/ml before and after preparation comparing both types of burs for all the media used (P<.05). There were no statistically significant differences in the reductions of the numbers of CFU/ml, comparing the 2 preparation instruments (P>.05). Conclusion: The polymer burs were found as effective as the conventional carbide burs microbiologically in caries removal.
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Keywords: CAVITY PREPARATIONS; DENTAL CARIES; MICROBIOLOGY

Document Type: Research Article

Affiliations: 1: Department of Pediatric Dentistry, School of Dentistry, Gazi University, Ankara, Turkey 2: Department of Pediatric Dentistry, School of Dentistry, Gazi University, Ankara, Turkey. [email protected] 3: Department of Basic Medical Sciences, Microbiology Laboratory, School of Dentistry, Gazi University, Ankara, Turkey 4: Department of Medical Microbiology, School of Medicine, Gazi University, Ankara, Turkey

Publication date: July 1, 2010

More about this publication?
  • Pediatric Dentistry is the official publication of the American Academy of Pediatric Dentistry, the American Board of Pediatric Dentistry and the College of Diplomates of the American Board of Pediatric Dentistry. It is published bi-monthly and is internationally recognized as the leading journal in the area of pediatric dentistry. The journal promotes the practice, education and research specifically related to the specialty of pediatric dentistry. This peer-reviewed journal features scientific articles, case reports and abstracts of current pediatric dental research.
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