期刊
JOURNAL OF DENTISTRY
卷 136, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jdent.2023.104616
关键词
Older adult; Elderly; Oral health; Prevention; Silver diamine fluoride; Hypersensitivity
This study aimed to evaluate the desensitizing effect of 38% silver diamine fluoride (SDF) solution on hypersensitive teeth in older adults. A double-blind randomized clinical trial was conducted, and participants received either 38% SDF or 5% potassium nitrate solution (control) on the root surface. The results showed that 38% SDF solution reduced hypersensitivity on the exposed root surface of older adults and was more effective than the control solution.
Objective: This study aimed to evaluate the desensitizing effect of topically applied 38% silver diamine fluoride (SDF) solution on the exposed root surface of hypersensitive teeth in older adults. Method: This double-blind randomised clinical trial recruited healthy older adults with dentine hypersensitivity. A trained examiner tested the most hypersensitive tooth root surface with a blast of compressed cold air from a three-in-one syringe. The participants gave a sensitivity score (SS) in visual analogue scale from 0 (no pain) to 10 (agonizing) at the baseline visit. Then, they received 38% SDF or 5% potassium nitrate solution (control) as intervention on the root surface. After the intervention, they received a compressed cold air test and reported the SS again. The compressed cold air test followed by intervention was repeated at 4-and 8-week follow ups. The primary outcome was the reduction in SS at 8-week follow-up with reference to the SS at baseline before intervention. Shapiro-Wilk and Mann-Whitney U tests were performed for data analysis following a normality test of SS. Results: This trial recruited 148 participants, and 139 (94%) participants completed the trial. The median percentage reductions in SS in the SDF and potassium nitrate groups were 60% and 50%, respectively (p < 0.001). Conclusion: According to the results, 38% SDF solution reduced hypersensitivity on the exposed root surface of older adults. In addition, 38% SDF was more effective than 5% potassium nitrate solution to reduce hypersensitivity on the exposed root surface of older adults. Clinical significance: Dentin hypersensitivity is common amongst older adults and negatively affects their quality of life. To date, there is no gold standard professionally applied desensitizing therapy in treating hypersensitivity. Evidence from this clinical trial could aid clinical practice and improve oral health in older adults. Trial registration: This study was registered at ClinicalTrials.gov (NCT05392868).
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