Oral Hygiene Clinical Trial
Official title:
A Proof of Principal Study to Investigate the Stain Control of Two Stannous Fluoride Dentifrices
The purpose of this study is to evaluate and compare the stain build up of two stannous fluoride (SnF2) / sodium tripolyphosphate (STP) dentifrices of differing abrasivity levels, with a marketed standard fluoride dentifrice and a marketed SnF2 dentifrice.
This proof of principal (PoP) single centre, randomised, examiner blind, four-treatment arm, parallel design study will be used to evaluate and compare the stain buildup of two 0.454% SnF2/ 5% STP dentifrices of differing abrasivity levels, with a marketed standard fluoride dentifrice and a marketed SnF2 dentifrice. Stain will be assessed following a full professional dental prophylaxis, at intervals over a 4 week treatment period, using an established clinical measure of extrinsic dental stain - the MacPherson modification of the Lobene stain index (MLSI). Participants will be stratified by pre-prophylaxis MLSI score (total MLSI Area x Intensity (A×I) for the facial surfaces of the 12 anterior teeth) and smoking status. The study will be conducted in healthy participants with a propensity for extrinsic dental stain (in the opinion of the examiner) on the facial surfaces of the anterior teeth. ;
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