Study on a therapeutic application of tea catechins to vital pulp treatment.

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Caries progression induces pulp tissue to inflammation, which can develop pulpitis. The treatment for severe pulpitis is commonly pulpectomy, but it is thought that teeth stripped of pulp increased fracture risk in the future. The purpose of this study was development of the pulp preservation therapy using catechin, and we evaluated the effect of catechins on dental pulp cells stimulated with various bacteria-related factors. As a result, we showed that the catechins inhibited the expression of inflammatory factors in the dental pulp cells, and this finding suggested that they could be applied in the treatment of pulpitis.