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Effect of Powered Toothbrushing and Dental Flossing Sequence on Dental Plaque Removal

29 de julio de 2026 actualizado por: Sema Merve Altıngöz, Lokman Hekim University

Does the Sequence of Powered Toothbrushing and Dental Flossing Affect Dental Plaque Removal? A Randomized Crossover Clinical Trial

This randomized crossover clinical trial evaluated whether the sequence of powered toothbrushing and dental flossing affects dental plaque removal. Forty-six systemically and periodontally healthy participants were randomly assigned to one of two oral hygiene sequences. In Group 1, participants performed powered toothbrushing followed by dental flossing during the first period and dental flossing followed by powered toothbrushing during the second period. Group 2 performed the same procedures in the opposite order. The two intervention periods were separated by a 15-day washout period, with professional prophylaxis performed to standardize oral hygiene conditions. Dental plaque was assessed before and after the oral hygiene procedures using the Plaque Index (PI) and the Turesky modification of the Quigley-Hein Plaque Index (TQHPI). The study aimed to determine whether performing powered toothbrushing before or after dental flossing results in greater plaque removal.

Descripción general del estudio

Estado

Terminado

Condiciones

Intervención / Tratamiento

Tipo de estudio

Intervencionista

Inscripción (Actual)

46

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Ubicaciones de estudio

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto

Acepta Voluntarios Saludables

Sí

Descripción

Inclusion Criteria:

  • Age between 18 and 30 years
  • Systemically healthy
  • Presence of at least 22 natural teeth
  • No signs of active periodontal disease
  • Ability to comply with the study procedures and oral hygiene instructions
  • Provision of written informed consent

Exclusion Criteria:

  • Antibiotic use within the previous 3 months
  • Smoking
  • Presence of systemic conditions known to affect periodontal health, including diabetes mellitus or immune-mediated disorders
  • Ongoing orthodontic treatment
  • Presence of fixed prostheses, crowns, or extensive restorations that could interfere with plaque assessment
  • Professional periodontal therapy within the previous 3 months
  • Pregnancy or lactation
  • Severe dental crowding

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Prevención
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación cruzada
  • Enmascaramiento: Único

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Brush-Floss Sequence (Group 1)
Participants assigned to this sequence will first perform powered toothbrushing followed by dental flossing during the first study period. After the washout period, the order of the oral hygiene procedures will be reversed, with dental flossing performed before powered toothbrushing during the second study period.
Participants will perform oral hygiene using a powered toothbrush according to the standardized study protocol. The intervention will be applied as part of the assigned brushing-flossing sequence.
Participants will perform interdental cleaning using dental floss according to the standardized study protocol. The intervention will be applied as part of the assigned brushing-flossing sequence.
Experimental: Floss-Brush Sequence (Group 2)
Participants assigned to this sequence will first perform dental flossing followed by powered toothbrushing during the first study period. After the washout period, the order of the oral hygiene procedures will be reversed, with powered toothbrushing performed before dental flossing during the second study period.
Participants will perform oral hygiene using a powered toothbrush according to the standardized study protocol. The intervention will be applied as part of the assigned brushing-flossing sequence.
Participants will perform interdental cleaning using dental floss according to the standardized study protocol. The intervention will be applied as part of the assigned brushing-flossing sequence.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Residual Plaque Index
Periodo de tiempo: Immediately after completion of the assigned oral hygiene sequence following 48 hours of plaque accumulation, in each study period.
Residual dental plaque was assessed immediately after completion of the assigned oral hygiene sequence using the Plaque Index (PI). Higher scores indicate greater residual plaque accumulation.
Immediately after completion of the assigned oral hygiene sequence following 48 hours of plaque accumulation, in each study period.
Residual Buccal Turesky Modified Quigley-Hein Plaque Index (TQHPI)
Periodo de tiempo: Immediately after completion of the assigned oral hygiene sequence following 48 hours of plaque accumulation, in each study period.
Following plaque disclosure, residual plaque on the buccal tooth surfaces was assessed using the Turesky Modified Quigley-Hein Plaque Index (TQHPI), scored from 0 to 5, with higher scores indicating greater residual plaque accumulation.
Immediately after completion of the assigned oral hygiene sequence following 48 hours of plaque accumulation, in each study period.
Residual Lingual Turesky Modified Quigley-Hein Plaque Index (TQHPI)
Periodo de tiempo: Immediately after completion of the assigned oral hygiene sequence following 48 hours of plaque accumulation, in each study period.
Following plaque disclosure, residual plaque on the lingual tooth surfaces was assessed using the Turesky Modified Quigley-Hein Plaque Index (TQHPI), scored from 0 to 5, with higher scores indicating greater residual plaque accumulation.
Immediately after completion of the assigned oral hygiene sequence following 48 hours of plaque accumulation, in each study period.

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

2 de mayo de 2026

Finalización primaria (Actual)

15 de julio de 2026

Finalización del estudio (Actual)

15 de julio de 2026

Fechas de registro del estudio

Enviado por primera vez

27 de julio de 2026

Primero enviado que cumplió con los criterios de control de calidad

29 de julio de 2026

Publicado por primera vez (Actual)

30 de julio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

30 de julio de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

29 de julio de 2026

Última verificación

1 de julio de 2026

Más información

Términos relacionados con este estudio

Otros números de identificación del estudio

  • LHU-2026-164

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .