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Revista clínica de periodoncia, implantología y rehabilitación oral

versión On-line ISSN 0719-0107

Resumen

TOBAR, Alexis et al. Efficacy of 8% Arginine and 5% Potassium Nitrate in Dentin Hypersensitivity Therapy. A randomized clinical trial. Rev. Clin. Periodoncia Implantol. Rehabil. Oral [online]. 2017, vol.10, n.2, pp.121-124. ISSN 0719-0107.  http://dx.doi.org/10.4067/S0719-01072017000200121.

Aim:

To compare the clinical efficacy of 8% arginine/1450ppm sodium monofluorophosphate and 5% potassium nitrate/2500 ppm sodium fluoride dentifrices in the treatment of dentin hypersensitivity (DH).

Methods:

Parallel-design, double-masked, randomized controlled clinical trial. Thirty four volunteers aged 18 to 70 years, with DH and a visual analog scale (VAS) score ≥4 at least in two or more non-molar teeth, were randomized in two groups: T1 (n=16): 8% arginine/1450 ppm sodium monofluorophosphate dentifrice; and T2 (n=18): 5% potassium nitrate/2500 ppm sodium fluoride dentifrice. DH was assessed with evaporative and thermal stimuli; and their VAS measurements, mean DH value and DH reduction (∆DH) were compared, inside and between the groups at baseline and 4-week follow-up. Data were analysed through Stata® V11 program.

Results:

Both toothpastes decreased mean DH value between baseline and 4 weeks (T1: 5.03 ± 1.23 versus 2.60 ± 1.27, p<0.05; T2: 4.73 ± 1.51 versus 2.71 ± 1.17, p<0.05). There were no statistical differences between both dentifrices in mean DH reduction values during therapy (∆HSD T1: -2.43 ± 1.22 versus ∆HSD T2:-2.27 ± 1.42).

Conclusions:

Both dentifrices had clinical efficacy in decreasing DH in a 4- week therapy, without statistical differences between both of them.

Palabras clave : Dentin sensitivity; arginine; potassium nitrate; dentifrice; randomized controlled trial.

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