Refraining from rinsing after brushing enhances fluoride retention and dental remineralization.
Is it true that refraining from rinsing after brushing enhances fluoride retention and dental remineralization?
Partly. Studies on refraining from post-brushing rinsing show mixed results regarding long-term fluoride retention and caries prevention, with some evidence supporting enhanced interdental fluoride accumulation but other findings indicating limited plaque-level differences.
Verdict: CONTESTED · 4 sources for, 2 against · Last checked
The claim addresses whether refraining from post-brushing rinsing enhances fluoride retention and remineralization. Several experimental studies (e.g., [3], [4]) show increased fluoride accumulation and reduced demineralization when rinsing is minimized, while others ([2]) note significant effects on salivary retention depending on the formulation. However, some studies ([5], [6]) question the long-term or plaque-level clinical significance of these differences, resulting in a contested verdict.
The evidence we hold leans leans supported
How this was weighed
official record 3x · fact-check 2x · hedged 1x · crowd & reference 1x
- Prospective Study of the Effect of Post-Brushing Rinsing Beh · peer-reviewed · supports · weight 1.3 · 2002
- Salivary fluoride concentration following toothbrushing with · peer-reviewed · supports · weight 1.3 · 2022
- Effect of Post-Brushing Water Rinsing on Caries-Like Lesions · peer-reviewed · supports · weight 1.3 · 2009
- Fluoride in the Interdental Area after Two Different Post-Br · peer-reviewed · supports · weight 1.3 · 2009
- Increased Salivary Fluoride Concentrations after Post-Brush · peer-reviewed · refutes · weight 1.3 · 2006
- Fluoride Intake and Salivary Fluoride Retention after Using · peer-reviewed · refutes · weight 1.05 · 2022
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Machiulskiene, V., Richards, A., Nyvad, B., & Baelum, V. (2002). Prospective Study of the Effect of Post-Brushing Rinsing Behaviour on Dental Caries. doi.org. https://doi.org/10.1159/000065955
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Heijnsbroek, M., Gerardu, V., Buijs, M., Loveren, C. v., Cate, J. t., Timmerman, M., & Weijden, G. v. d. (2006). Increased Salivary Fluoride Concentrations after Post-Brush Fluoride Rinsing Not Reflected in Dental Plaque. doi.org. https://doi.org/10.1159/000094292
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Albahrani, M. M., Alyahya, A., Qudeimat, M., & Toumba, K. J. (2022). Salivary fluoride concentration following toothbrushing with and without rinsing: a randomised controlled trial. doi.org. https://doi.org/10.1186/s12903-022-02086-5
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Sjögren, K., Birkhed, D., Ruben, J., & Arends, J. (2009). Effect of Post-Brushing Water Rinsing on Caries-Like Lesions at Approximal and Buccal Sites. doi.org. https://doi.org/10.1159/000262089
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Sjögren, K., Birkhed, D., Rangmar, S., & Reinhold, A. (2009). Fluoride in the Interdental Area after Two Different Post-Brushing Water Rinsing Procedures. doi.org. https://doi.org/10.1159/000262159
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Opydo-Szymaczek, J., Pawlaczyk-Kamieńska, T., & Borysewicz-Lewicka, M. (2022). Fluoride Intake and Salivary Fluoride Retention after Using High-Fluoride Toothpaste Followed by Post-Brushing Water Rinsing and Conventional (1400–1450 ppm) Fluoride Toothpastes Used without Rinsing. doi.org. https://doi.org/10.3390/ijerph192013235
What does the evidence say?
The claim addresses whether refraining from post-brushing rinsing enhances fluoride retention and remineralization. Several experimental studies (e.g., [3], [4]) show increased fluoride accumulation and reduced demineralization when rinsing is minimized, while others ([2]) note significant effects on salivary retention depending on the formulation. However, some studies ([5], [6]) question the long-term or plaque-level clinical significance of these differences, resulting in a contested verdict.
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