Clinical Research Associates

At Home Bleaching Study — Feb. 2001

This data accompanies the February 2001 CRA Newsletter.

Index

B. Step-by-Step Procedures For In-House Clinical Evaluation

1. CP & HP Assays

a. Iodometric Assay
b. Potassium Permanganate Assay

2. Taste Test
3. Assay to Determine Decrease in Active Ingredient During Use
4.Viscosity Tests
5.pH Measurements
6.Clinical At-Home Tooth Whitening Study

C. Results

1.CP & HP Assays
2.Taste Test
3.Assay to Determine Decrease in Active Ingredient During Use
4.Viscosity Tests
5.pH Measurements

D. Newsletter Graph including rankings of columns A - H

Scale Used for Rankings

Cost Rankings
Tooth Color Change
Decrease in Active Ingredient During Use
Directions Grade
Viscosity Grade
Taste Grade
User Satisfaction Survey
Total Contact Time
Overall Score

Explanation of Criteria for Each Column

E. Conclusions