Clinical evaluation of the stain removing ability of an Iranian whitening dentifrice in Ahvaz dental school in 2010

This study was performed comparing the degree of extrinsic dental stain removal for three dentifrices: (1) an Iranian (2) commercially available whitening dentifrice and (3) commercially Regular. A total of 75 participants were contribute into the study and stratified into 3 groups and randomly assigned to use one of the three dentifrices. Participants were instructed to brush their teeth twice daily (morning and night) for 2 minutes with their assigned dentifrice and available toothbrush. Stain area and intensity was assessed using a modification of the Lobene indexin the beginning of study،4 and 6 weeks intervals. Collected data analyzed using Kruskal Walis and BonFerroni method. A total of 75 patients were contributed in this study. Iranian whitening toothpaste and commercially were more effective than control toothpaste in removal of stain from all sites. There was no significant difference between two groups of commercially and Iranian dentifrice. This study showed that Iranian and commercially whitening dentifrice had a significant effect on reducing tooth staining.