All toothpaste has some type of abrasiveness to it especially when coupled with a toothbrush; just how abrasive that can be is measured by RDA (Relative Dentin Abrasion). The ADA created a range of abrasivity that rates different toothpastes and their effect on the teeth. Their list ranges from 0-250 and is broken into 4 sections (Low Abrasive to Regarded as a Harmful Limit). Enamel is not as susceptible to abrasion (the wear on the teeth from a mechanical source, like a toothbrush with toothpaste) because of the hardness of the structure. The underlying structures of enamel like dentin and Read More →