The Procter Gamble Company

Tao He

Ross Strand

Rui Li

Donald James White, Jr

Yunming Shi

Yanyan He

Jinlan Chang

Jian Xu

Matthew Lloyd Barker

Lei Tian

Shi Huang

Jiquan Liu

Weili Dong

Nixon Lao Ocampochua

Donald James White Jr

JRDonald James White

A method of quantitating sorption of stannous by microbial cells of a biofilm is an effective way of assessing efficacy of oral care products containing stannous.

Method of quantitating sorption of stannous by microbial cells of a biofilm

An apparatus () for assessing treatment effectiveness of tooth sensitivity with an oral care product comprising a tooth shaped member () comprises an outer layer () simulating an enamel, wherein the outer layer () at least partially covers an exterior surface of an inner layer () simulating a pulp, and a liquid sensor () contained either between the outer layer () and inner layer (), or within the inner layer (); and a plurality of holes (), simulating open dentin tubules, configured through the outer layer () to the inner layer (), and in fluid communication with the liquid sensor (); wherein the liquid sensor () is configured to sense liquid passing through at least one of the plurality of holes () as simulating the treatment effectiveness of tooth sensitivity of the oral care product.

Method and apparatus for assessing treatment effectiveness of tooth sensitivity with an oral care product

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Loveland, OH, United States of America

Tao He