Objective
This systematic review evaluates the effectiveness of the water flosser compared to dental floss, with a focus on its superior impact in removing bacterial plaque and improving gum health.
Methodology
The analysis is based on seven randomized controlled trials, selected from recognized scientific databases (PubMed, Scopus, Cochrane). These studies compared the effects of the water flosser and dental floss on the reduction of plaque and signs of gingivitis, with objective measurements after regular use.
Results: Up to 2X more effective than dental floss in some cases.
Data from clinical trials indicate that the water flosser offers significantly superior effectiveness compared to dental floss in removing plaque and protecting the gums:
- Bacterial plaque removal: On average, the water flosser reduces dental plaque by up to 74.4% after use, compared to 57.7% with dental floss. This represents an improvement of nearly 30% in favor of the water flosser.
- Reduction of interproximal plaque: Plaque located between the teeth is removed at 81.6% with the water flosser, compared to 63.4% with dental floss, which is almost 30% more effective.
- Gum health: The water flosser results in a 2x greater reduction in signs of gingival inflammation and bleeding, demonstrating increased effectiveness in preventing periodontal diseases.
- Access to difficult areas: Unlike dental floss, the water flosser can reach subgingival areas and deep interdental spaces, where plaque and bacteria frequently accumulate.
These results confirm that the water flosser is up to twice as effective as dental floss in removing plaque and improving gum health, particularly for people susceptible to periodontal diseases.
Conclusion
The water flosser represents a major advancement in oral hygiene. Its effectiveness, validated by clinical studies, demonstrates that it is a superior alternative to dental floss, allowing for more effective reduction of bacterial plaque and better gum protection. Its use is particularly recommended for patients who have difficulty using dental floss, as well as for those wearing orthodontic appliances, implants, or prostheses. Although its effectiveness is proven, it remains a complement to daily brushing to ensure optimal oral hygiene.
Scientific source
Mohapatra S, Rajpurohit L, Mohandas R, Patil S. Comparing the effectiveness of water flosser and dental floss in plaque reduction among adults: A systematic review. J Indian Soc Periodontol. 2024;27(6):559–567. PMCID: PMC10906797