September 2015

Volume 32, Issue 3

Fluoride content and labelling of toothpastes marketed in India

Authors: M. Pai R. Shenoy G. Rajesh A. Rao V.P. Thakkar
doi: 10.1922/CDH_3518Thakkar04

Abstract

Community Dental Health (2015) 32, 170–173 Received 29 September 2014; Accepted 3 April 2015 Fluoride content and labelling of toothpastes marketed in India V.P. Thakkar, A. Rao, G. Rajesh, R. Shenoy and M. Pai Objective: To enumerate the fluoride content and labelling practices of toothpastes marketed in India and to determine if the content is in accordance with the information provided on the packaging. Method: In vitro analysis of total and free available fluoride in 5 adult and 5 children’s fluoride toothpastes in India using fluoride ion electrode. Information on the tube and carton was checked to assess the labelling. Results: The mean Total Fluoride concentrations (TF) in the toothpastes labelled 1,000 ppm, 500ppm and 458 ppm were 1,000, 500 and 449mg/L (sd values 3, 5 and 4mg/L) respectively. The toothpastes’ Total Soluble Fluoride (TSF) concentration was generally slightly less than the TF concentration. Overall mean percentage of TSF concentration was 94% sd 9%. The mean percentage of TSF concentration in SMFP (sodium monofluorophosphate)/CaCO3 (calcium carbonate) containing toothpastes was 86% sd 16% while that in NaF (sodium fluoride)/Si (silica) based toothpastes was 98% sd 1% and 95% sd 1% in the remaining toothpastes with unknown abrasive. NaF/Si based toothpastes had more TSF concentration than the others (p<0.05). All the information required by the Indian regulations was shown on all 10 toothpastes. Conclusion: The available fluoride content of one of the ten toothpastes was substantially less than the total fluoride content. Although the toothpastes were labelled following the guidelines of the regulatory body of India, 3 of the 10 failed to mention the abrasive present. Keywords: dentifrices, product labeling, topical fluorides, India

£10 single article

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