Efficacy of an experimental 3% potassium nitrate mouthwash in providing long-term relief from dentin hypersensitivity:An 8-week randomized controlled study (Study 1).
Bibliographic record
Abstract
PURPOSE: To evaluate the efficacy of an experimental mouthwash containing 3% potassium nitrate (KNO3) in relieving dentin hypersensitivity when used as an adjunct to brushing with fluoride toothpaste compared with use of the same toothpaste alone. METHODS: This was one of three randomized, two-treatment, examiner-blind, parallel-design, single-site, 8-week studies in healthy subjects with self-reported and clinically diagnosed dentin hypersensitivity. Subjects were randomized to receive either fluoride toothpaste plus 3% KNO3 mouthwash or the same fluoride toothpaste alone, and instructed to use their allocated treatment twice daily for the next 8 weeks. Dentin hypersensitivity was evaluated at baseline and following 4 and 8 weeks of treatment through assessment of responses to evaporative (air) and tactile stimuli [measured by the Schiff Sensitivity Scale, a visual rating scale (VRS), and tactile threshold, respectively], and using the Dentin Hypersensitivity Experience Questionnaire (DHEQ; a validated quality-of-life instrument for dentin hypersensitivity). RESULTS: A total of 216 subjects were randomized and 214 completed the study. Both treatment groups demonstrated statistically significant reductions from baseline for each clinical measure of sensitivity (P≤ 0.01) at Weeks 4 and 8. Use of the 3% KNO3 mouthwash after brushing with fluoride toothpaste resulted in statistically significantly greater reductions in sensitivity to an evaporative (air) stimulus (mean Schiff score and mean VRS, P< 0.001; primary objective mean Schiff score at Week 8, P< 0.0001) and statistically significantly higher tactile threshold (P< 0.001) at Weeks 4 and 8 compared with toothpaste alone. The DHEQ responses reflected the clinical outcomes for several parameters, indicating a significant improvement in oral health-related quality of life after 8 weeks' use of the 3% KNO3 mouthwash. CLINICAL SIGNIFICANCE: The results of this study suggest that daily use of a 3% KNO3 mouthwash as an adjunct to brushing with fluoride toothpaste provides clinically relevant improvements in dentin hypersensitivity after 8 weeks' twice-daily use.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".