Efficacy of Crest Herbal Toothpaste in “Clearing Internal Heat”: A Randomized, Double-Blind Clinical Study

<table><tr><td><table class="algorithm" id="figbox1"><tr><td colspan="2">Experimental Product (Not for sale. For subject’s use only). </td></tr><tr><td colspan="2">Study #: 2009OCC19.</td></tr><tr><td colspan="2">Usage Instruction: Brush twice daily for two minutes.</td></tr><tr><td colspan="2">Distributed by: Rui Wang, Beijing Health Tech Research Co., Ltd. Beijing, China 100086.</td></tr><tr><td colspan="2">This product may contain Fluoride. Net Weight: ≤120 g.</td></tr><tr><td colspan="2">Notes: Store at room temperature. Keep out of the reach of children. Do not swallow. In </td></tr><tr><td colspan="2">case of medical emergency, call Rui Wang, at a cell phone number. </td></tr></table></td></tr></table>

Description for package of toothpaste used in the trial.

Evidence-Based Complementary and Alternative Medicine

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Box 1

Box 1: Efficacy of Crest Herbal Toothpaste in “Clearing Internal Heat”: A Randomized, Double-Blind Clinical Study 