WebApr 2, 2024 · RDA means “Relative Dentin Abrasiveness”. It is a scale created by the ADA (American Dental Association) to compare abrasiveness of toothpaste. The lower the RDA number, the less abrasiveness. An RDA of 76 places this toothpaste into the Medium Abrasiveness category, NOT the “low abrasiveness” category. WebThe higher the RDA value, the higher the abrasiveness of the toothpaste and thus the dentin abrasion. The RDA scale can be roughly divided into four levels: Below 30: Very low …

Opalescence Teeth Whitening - Toothpaste

WebOct 9, 2024 · Toothpaste is tested and assigned a Relative Dentin Abrasivity (RDA) and Relative Enamel Abrasion (REA) number. The RDA number will generally range from 4 (toothbrush with plain water) to the American Dental Association’s upper limit of 250. REA values run from 0 to 10, all within the recommended safety limits set forth by the ADA. WebThe RDA values of whitening toothpastes on the market typically range between 98 and 120, with activated charcoal toothpaste having the lowest (RDA 50) and Colgate Max Fresh … small scrapbook letters

Tested toothpastes ranked based on their RDA and REA values (RDA…

Web2 Shades Brighter—Whitening Results From NYU Study. Both Opalescence Whitening Toothpaste formulas feature a quality tri-silica blend that works to actively, yet gently, … Web54 rows · Oct 6, 2014 · Toothpastes that claim whitening properties apear to have a higher abrasiveness index. Here is how ... WebThe RDA values of whitening toothpastes on the market typically range between 98 and 120, with activated charcoal toothpaste having the lowest (RDA 50) and Colgate Max Fresh having the highest ... small scrap wood ideas