Effectiveness of a single-tuft toothbrush for control of newly formed dental biofilm


  • Iohana Hasegawa Faculdade São Leopoldo Mandic
  • Camila Veríssimo Faculdade São Leopoldo Mandic
  • Victor Angelo Montalli Faculdade São Leopoldo Mandic
  • Marcelo Sperandio Universidade de São Paulo
  • Daiane Cristina Peruzzo Faculdade São Leopoldo Mandic




Dental plaque. Biofilms. Oral hygiene.


Aim: To compare the effectiveness of a single-tuft toothbrush (STB) with conventional toothbrushes (CT) to control dental biofilm neoformation in the dentogingival area. Methods: For this cross-sectional  prospective blind study, 20 periodontally healthy subjects were selected and randomly divided into 4 groups: STB; CT; CHX - chlorhexidine mouthwash (positive control) and PS - placebo mouthwash (negative control). The subjects were instructed to use only the assigned care method for 72 h with a 7-day washout period between experiments. The evaluated parameters were visible and disclosed plaque indices (PI and DPI), gingival bleeding index (GBI) at baseline (T-0) and at the end of each experimental period (T-72). Results: Data analysis demonstrated that at T-0 no difference was observed for any of the parameters (p>0.05); after 72 h, CT, STB and CHX showed equivalente effectiveness at controlling biofilm. When the PI data were analyzed, between T-0 and T-72, STB was similar to CT and CHX (p<0.05), whereas for DPI, STB was significantly superior to the other methods. Except for PS, all methods yielded similar results for GBI (p<0.05). Conclusions: The tested STB was effective at controlling short-term dental biofilm neoformation on the dentogingival area.


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Author Biographies

Iohana Hasegawa, Faculdade São Leopoldo Mandic

Graduanda do curso de Odontologia pela Faculdade e Pesquisas Odontológicas São Leopoldo Mandic.

Camila Veríssimo, Faculdade São Leopoldo Mandic

Cirurgiã dentista formada pela Faculdade de Odontologia São Leopoldo Mandic. Realizou iniciação científica na área de Anestesiologia, Farmacologia e Terapêutica com estudos direcionados a avaliação do conhecimento e da habilidade de cirurgiões-dentistas sobre manobras de ressuscitação cardiorrespiratória (RCP) utilizando o desfibrilador externo automático (DEA), no Programa de Iniciação Científica (PIC) sob o número 06/13, entre agosto de 2013 e julho de 2014.

Victor Angelo Montalli, Faculdade São Leopoldo Mandic

Graduado em Odontologia pela Faculdade São Leopoldo Mandic, mestre em Patologia Bucal pela Faculdade São Leopoldo Mandic, doutor em Ciências Médicas pela Faculdade de Ciências Médicas da Universidade Estadual de Campinas (UNICAMP). Atualmente é Docente Pesquisador na Faculdade São Leopoldo Mandic, vinculado à Graduação e Pós Graduação. Tem experiência em patologias que acometem o sistema estomatognático.

Marcelo Sperandio, Universidade de São Paulo

Graduado em Odontologia pela Universidade de São Paulo, mestrado em Estomatologia (MSc in Experimental Oral Medicine) - Kings College London - Universidade de Londres e doutorado em Estomatologia e Patologia Bucal - Kings College London - Universidade de Londres.

Daiane Cristina Peruzzo, Faculdade São Leopoldo Mandic

Possui graduação em Odontologia pela Universidade Luterana do Brasil, mestrado em Clínica Odontológica pela Universidade Estadual de Campinas, doutorado em Clínica Odontológica pela Universidade Estadual de Campinas e pós-doutorado em Implantodontia pelo Centro de Pesquisas Odontológicas São Leopoldo Mandic.


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How to Cite

Hasegawa I, Veríssimo C, Montalli VA, Sperandio M, Peruzzo DC. Effectiveness of a single-tuft toothbrush for control of newly formed dental biofilm. Braz. J. Oral Sci. [Internet]. 2017 Apr. 20 [cited 2023 Feb. 6];15(2):113-8. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8648761