Trial reportInternational journal of dental hygiene2025
Efficacy of a water flosser compared to an interdental brush on gingival bleeding and gingival abrasion: A 4 week randomized controlled trial.
Trial report in International journal of dental hygiene, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07725276 (Comparing the Efficacy of Toothbrushing With and Without Interproximal Cleaning Aids Among Dental Students), which is not on this map. Cited by 3 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Comparing the Efficacy of Toothbrushing With and Without Interproximal Cleaning Aids Among Dental Students: A Split-Mouth Clinical Trial.
Who cites it
3 citing papers in PubMed.
- The effects of using water flosser versus interdental brush on gingival health in patients with mandibular bonded retainer - a randomized controlled trial.BMC oral health · 2026Trial
- Efficacy of a water flosser compared to an interdental brush on gingival bleeding and gingival abrasion: A 4 week randomized controlled trial.International journal of dental hygiene · 2025Trial
- The Patient-Centred Interdental Cleaning Concept-Consensus Based on a Round Table.International journal of dental hygiene · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
Abstract
aimTo determine the efficacy of a water flosser (WF) compared to an interdental brush (IDB) in reducing gingival inflammation. Additionally, the products were compared on the incidence of gingival abrasion.
methodsYoung adults with moderate gingivitis and ≥4 accessible interdental spaces by IDB in each quadrant were selected for this study. Participants were randomly assigned a WF or an IDB as an adjunct to manual toothbrushing. Clinical signs of inflammation were measured in two randomly assigned contralateral quadrants by bleeding on pocket probing (BOPP) or bleeding on marginal probing (BOMP). Gingival Abrasion Score (GAS) was assessed per quadrant. Data was recorded at the baseline, 2 weeks and 4 weeks.
resultsBoth groups WF (n = 40) and IDB (n = 38) showed a significant reduction (p = 0.000) in BOMP and BOPP from the baseline to 4 weeks for all sites and the interdental sites only. At 4 weeks the WF group compared to the IDB group showed significantly lower BOPP (p = 0.030) and BOMP scores (p = 0.003) for all sites. For the interdental sites WF showed compared to IDB for BOMP significant (p = 0.019) lower values but not for BOPP (p = 0.219). There were no differences between the groups for GAS at any time point.
conclusionIn patients with moderate gingivitis, after 4 weeks use the WF is more effective than the IDB in obtaining marginal gingival health.
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Registered trials
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