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DENTAL SCIENCE - ORIGINAL ARTICLE
Year : 2012  |  Volume : 4  |  Issue : 6  |  Page : 212-216

Adherence of Streptococcus mutans and Candida albicans to different bracket materials


1 Department of Orthodontics and Dentofacial Orthopedics, Satyabhama Dental College and Hospital, Chennai, India
2 Panineeya Mahavidyalaya Institute of Dental Sciences and Research Centre, Hyderabad, India
3 Department of Orthodontics and Dentofacial Orthopedics, Mamtha Dental College and Hospital, Khammam, Andhra Pradesh, India
4 Department of Orthodontics and Dentofacial Orthopedics, HKDET Dental College and Hospital, Humnabad, Karnataka, India

Correspondence Address:
Shubhaker Rao Juvvadi
Panineeya Mahavidyalaya Institute of Dental Sciences and Research Centre, Hyderabad
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0975-7406.100206

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Objective: To quantify the adherence of Streptococcus mutans and Candida albicans on brackets made of stainless steel, plastic, ceramic, titanium, and gold, and to evaluate the various sites of adherence of these microorganisms with scanning electron microscopy (SEM). Materials and Methods: Brackets made of stainless steel, plastic, ceramic, titanium, and gold were used. The adherence of S. mutans and C. albicans were studied. The brackets were placed in flat-bottomed vials containing basal medium with 20% sucrose added; the flasks were inoculated with each of the microbial suspensions. The samples were incubated at 37°C for 48 h, after which the brackets were removed. The cells adhering to the glass were counted and the brackets were studied with SEM. Results: When evaluated together, the adherence of S. mutans and C. albicans was increased in the ceramic bracket group. When evaluated separately, metallic brackets had increased number of colony-forming units (CFUs) of S. mutans and the use of titanium brackets increased the CFUs of C. albicans. SEM demonstrated that the adherence of S. mutans and C. albicans together varied according to the bracket materials, with ceramic having the greatest and stainless steel having the least adherence. Conclusions: Oral hygiene may be of greater concern with esthetic brackets since this study shows that microbial adhesion is greater with these brackets.


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