Clinical evaluation of the stain removing ability of a whitening dentifrice and stain controlling system.
OBJECTIVE
This study aimed to evaluate the stain removing/controlling properties of a whitening dentifrice and a stain controlling system, in a parallel group, multiple use study.


METHODS
Subjects (63), were stratified according to baseline stain scores and randomly allocated to a group, A (standard dentifrice), B (whitening/stain removing dentifrice) or C (whitening/stain removing dentifrice, tooth polish, tooth polisher and whitening/stain removing mouthwash). At each attendance, extrinsic stain was scored blind by a trained and calibrated examiner using the Shaw and Murray Stain Index, under constant lighting conditions. In addition, whiteness was measured using a colorimeter.


RESULTS
The toothpaste regimens were well balanced at baseline (p=0.811). At 4 weeks, Regimens B and C had significantly less stain than A (p<0.05). Lower stain values were maintained/reduced for regimens B and C by week 6, with changes from baseline significantly greater than for Regimen A. When lightness was assessed by colorimeter, Regimen C was also found to be significantly whiter than Regimen A (p<0.05).


CONCLUSIONS
It was concluded that both whitening regimens had a significant effect on reducing tooth staining and improving whiteness over the 6 week time period.
Walsh
Trevor F
TF
Department of Adult Dental Care, School of Clinical Dentistry, Claremont Crescent, Sheffield S10 2TA, UK.
Rawlinson
Andrew
A
Wildgoose
David
D
Marlow
Ian
I
Haywood
Julia
J
Ward
Jennifer M
JM
D000328:Adult; D003124:Colorimetry; D003775:Dental Polishing; D003802:Dentifrices / Q000627:therapeutic use*; D006801:Humans; D016014:Linear Models; D009067:Mouthwashes / Q000627:therapeutic use*; D016037:Single-Blind Method; D014073:Tooth Bleaching / Q000379:methods*; D014075:Tooth Discoloration / Q000628:therapy*
D003802:Dentifrices; D009067:Mouthwashes