This study observed the potassium oxalate including fluoride gel on the reduction of dentin hypersensitivity both in clinic and in laboratory.The results of the clinical treatment showed that this gel was statistically significant in reducing dentin hypersensitivity when the teeth treating by the gel for 4 minutes.The results of the scanning electric microscope(SEM) research indicated that the gel could create micro-globed particles deposition on the dentine surface.These particles have the ability to block the dentinal tubules and to decrease dentin hypersensitivity.In conclusion,this gel is an effective and safe topical agent for dentin hypersensitivity treatment.
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