In vitro and clinical evaluation of specific dentifrices for complete denture hygiene

  1. Heitor Panzeri1,
  2. Elza Helena Guimarães Lara2,
  3. Helena de Freitas Oliveira Paranhos1,
  4. Claudia Helena Lovato da Silva1,
  5. Raphael Freitas De Souza1,
  6. Maria Cristina Monteiro De Souza Gugelmin3,
  7. Camila Tirapelli1,
  8. Patrícia Costa Cruz1,
  9. Ingrid Machado De Andrade1

Article first published online: 15 MAY 2008

DOI: 10.1111/j.1741-2358.2008.00235.x

Issue

Gerodontology

Gerodontology

Volume 26, Issue 1, pages 26–33, March 2009

Additional Information

How to Cite

Panzeri, H., Lara, E. H. G., Paranhos, H. d. F. O., Lovato da Silva, C. H., De Souza, R. F., De Souza Gugelmin, M. C. M., Tirapelli, C., Cruz, P. C. and De Andrade, I. M. (2009), In vitro and clinical evaluation of specific dentifrices for complete denture hygiene. Gerodontology, 26: 26–33. doi: 10.1111/j.1741-2358.2008.00235.x

Author Information

  1. 1

    Department of Dental Materials and Prosthodontics, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, Brazil

  2. 2

    Department of Pharmaceutical Sciences, Ribeirão Preto Faculty of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto, Brazil

  3. 3

    Department of Clinical, Toxicological and Bromatological Analyses, Ribeirão Preto Faculty of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto, Brazil

*Helena de Freitas Oliveira Paranhos, Department of Dental Materials and Prosthodontics, Ribeirão Preto Dental School, University of São Paulo, Av. do Café s/n, 14040-904 Ribeirão Preto, SP, Brazil. Fax: 55 16 3602 4090 E-mail: helenpar@forp.usp.br

Publication History

  1. Issue published online: 26 FEB 2009
  2. Article first published online: 15 MAY 2008
  3. Accepted 4 March 2008

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Keywords:

  • complete denture;
  • biofilm;
  • denture cleansers;
  • dentifrices

Objectives:  To study the physical properties of two experimental dentifrices for complete denture hygiene, their effect on denture biofilm removal and antimicrobial properties by means of a clinical trial.

Materials and methods:  The experimental dentifrices comprised two compositions. One was based on the addition of 1% chloramine T (D1) and the other on the presence of 0.01% fluorosurfactant (D2). Measurements of density, pH, consistency, rheological features and abrasiveness were conducted. Sixty complete denture wearers were randomly assigned to three groups and were instructed to brush their dentures with a specific toothbrush: (1) Water (control); (2) D1; or (3) D2. Each method was used for 21 days. Denture biofilm was disclosed by a 1% neutral red solution and quantified by means of digital photos taken from the internal surface. Microbiological assessment was conducted to quantify Candida sp. and mutans streptococci. Data were evaluated by one-way anova and Tukey HSD, or Kruskal–Wallis (α = 0.05).

Results:  Both dentifrices decreased biofilm coverage when compared with the control group. D1 was the most efficacious treatment to reduce mutans streptococci, whereas D2 showed an intermediate outcome (anova, p < 0.040). No treatment influenced Candida albicans or non-albicans species (Kruskal–Wallis, p = 0.163 and 0.746, respectively).

Conclusion:  It can be concluded that brushing complete dentures with the experimental dentifrices tested could be effective for the removal of denture biofilm.

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