Abstract
Objective:This report evaluated the efficacy of three brushes and one biofilm disclosing agent in complete denture cleansing. Methods: Twenty-seven wearers of maxillary dentures were distributed into three groups and received different brushes: Oral B40, conventional toothbrush (Oral B); Denture, denture-specific brush (Condor); Johnson & Johnson, denture-specific brush (Johnson & Johnson). The 60-day experimental period was divided into two techniques: I - brushing (brush associated with a paste - Dentu Creme, Dentco) three times a day; II - brushing and daily application of 1% neutral red on the denture internal surface. Biofilm quantification was carried out weekly and the areas with dye biofilm were obtained by means of Image Tool 2.02 software.Results:Biofilm removal was more effective during Technique II (Wilcoxon test: p=0.01) for the three groups of brushes. When the brushes were compared in Technique I, the Kruskal Wallis test indicated statistical difference between Denture X Johnson & Johnson and Denture X Oral B40, in which the Denture was more efficient. For Technique II, there was no statistical difference between brushes (p>0.05).Conclusion:The disclosed application promoted more efficacy on biofilm removal, regardless of the brush used. Denture (Condor) was more efficient than the other brushes during Technique I.
Highlights
Many reports evaluate the efficacy of denture cleansers, surveys point out that removal of denture biofilm by denture wearers is precarious[1,2,3,5,6,23]
Biofilm removal can be obtained by means of mechanical methods associated with chemical methods; among them, brushing is the most common method applied for routine denture biofilm control[1,2,17,19,35]
While biofilm quantification on natural teeth is significantly studied and published in the literature, its quantification on complete dentures is poorly known, due to the small number of papers published on this matter and because the procedure is not routinely employed by dentists[16,24,27,28]
Summary
Many reports evaluate the efficacy of denture cleansers, surveys point out that removal of denture biofilm by denture wearers is precarious[1,2,3,5,6,23]. While biofilm quantification on natural teeth is significantly studied and published in the literature, its quantification on complete dentures is poorly known, due to the small number of papers published on this matter and because the procedure is not routinely employed by dentists[16,24,27,28]. With respect to natural teeth, efficient hygiene control in complete dentures can be obtained by an orientation program, correct use of materials and methods available for denture cleansing and by utilization of a biofilm disclosing agent, allowing quantification and localization of biofilm on dentures, which could allow its removal more effectively[5,8,12,16,24,26,28,31,35]
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