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Clinical effectiveness of a strontium chloride- containing desensitizing agent over 6 months: a randomized,
Annett Kobler1, Oliver Kub, Hans-Gunter Schaller
1Department of Operative Dentistry and Periodontology, Martin-Luther-University Halle-Wittenberg, Germany. annett.kobler@medizin.uni-halle.de
Objective:
The aim of this multicenter study was to evaluate the clinical efficacy of a strontium chloride-containing desensitizer, Hyposen (Lege Artis), over 6 months.
Method And Materials:
A total of 142 patients with hypersensitivity in 9 dental practices and 2 clinical departments were included in the double-blind, randomized, placebo-controlled study. Each patient exhibited at least 2 hypersensitive and caries-free teeth with exposed dentin surfaces. One tooth was treated with strontium chloride (SR) as recommended by the manufacturer, another with a placebo. Levels of hypersensitivity were assessed after 2, 8, 12, and 24 weeks by cold air and tactile stimuli. After 6 months 132 patients could be reexamined.
Results:
A reduction of discomfort and pain was observed in 95 patients (72%) after treatment with SR. Statistical analysis showed a significant positive effect of SR compared to the placebo group (P < .05, McNemar test).
Conclusion:
Use of SR for desensitizing hypersensitive dentin is an effective alternative to existing desensitizing agents.
