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Journal of Applied Oral Science
Print version ISSN 1678-7757
SFONDRINI, Maria Francesca et al. Influence of lingual bracket position on microbial and periodontal parameters in vivo. J. Appl. Oral Sci. [online]. 2012, vol.20, n.3, pp.357-361. ISSN 1678-7757. http://dx.doi.org/10.1590/S1678-77572012000300011.
OBJECTIVE: Lingual orthodontics is becoming more popular in dental practice. The purpose of the present investigation was to compare plaque formation on teeth bonded with the same bracket onto buccal or lingual surface, with non-bonded control teeth, via an in vivo growth experiment over a 30-day period. MATERIAL AND METHODS: A randomized controlled trial with split-mouth design was set up enrolling 20 dental students. Within each subject sites with buccal and lingual brackets and control sites were followed. Clinical periodontal parameters (periodontal pocket depth: PPD; bleeding on probing: BOP) were recorded at baseline and on days 1, 7 and 30. Microbiological samples were taken from the brackets and the teeth on days 1, 7 and 30 to detect colony-forming units (CFU). Total CFU, streptococci CFU and anaerobe CFU were measured. RESULTS: No significant differences (P>0.05) were found between buccal and lingual brackets in terms of clinical periodontal parameters and microbiological values. Conclusion: Bracket position does not have significant impact on bacterial load and on periodontal parameters.
Keywords : Microbiology; Orthodontics; Dental plaque; Periodontal diseases.