Toothpaste Abrasiveness Toothpaste RDA Value Toothpaste RDA Value Toothbrush with plain water 4 Aim 80 Plain baking soda 7 BiotenePaste with Fluoride 80 Arm & Hammer Tooth Powder 8 Colgate Sensitive Max Strength 83 WeledaSalt Toothpaste 15 AquafreshSensitive 91 CariFreeCTx4 Gel 1100/5000 30 Tom’s of Maine Regular 93 CariFreeCTx3 Gel 30 Rembrandt Plus 94 ElmexSensitive Plus 30 Plus White 94 WeledaPlant Tooth Gel 30 Oxyfreshwith Fluoride 95 Pronamel 34 Crest Regular 95 Arm & Hammer Dental Care 35 OxyfreshPowder 97 WeledaChildren’s Tooth Gel 40 Colgate Enamel Care Natural Whitening 100 Arm & Hammer Mentadent Advance Whitening 42 Natural White 101 Squiggle Enamel Saver 44 Mentadent 103 WeledaCalendula Toothpaste 45 Arm & Hammer Sensation 103 WeledaPink Toothpaste with Ratanhia 45 SensodyneExtra Whitening 104 Oxyfresh 45 Colgate Platinum 106 Arm & Hammer Dental Care Sensitive 48 Arm & Hammer Advance White Extreme Whitening 106 Tom’s of Maine Sensitive 49 Crest Sensitivity Protection 107 Arm & Hammer PeroxicareTartar Control 49 Colgate Tartar Control with Baking Soda and Peroxide 109 Crest with Scope 51 Colgate Herbal 110 Arm & Hammer PeroxicareRegular 52 Amway Glister 110 Healthy Teeth & Gums 52 AquafreshWhitening 113 Rembrandt Original 53 Arm & Hammer Advance White Gel 117 Closys 53 Arm & Hammer Sensation Tartar Control 117 Arm & Hammer Dental Care PM Bold Mint 54 FluoridexDaily Defense 117 PerioScienceWhite Care 57 Close Up with Baking Soda 120 Tom’s of Maine Children’s 57 Crest Extra Whitening with Tartar Protection 120 BioteneGel 60 Colgate Whitening 124 Clinpro5000 62 Crest Maximum Sensitivity 126 Supersmile 62 Crest Extra Whitening 130 Rembrandt Mint 63 Ultra Brite 133 Colgate Enamel Care Advanced Whitening 65 Crest MultiCareFresh Mint 139 Crest with Scope Whitening 65 Crest Pro-Health 140 Colgate Regular 68 Crest MulticareWhitening 144 Colgate Total 70 Colgate Baking Soda Whitening 145 Arm & Hammer Advance White Sensitive 70 Ultra BriteAdvanced Whitening Formula 146 Colgate 2-in-1 Fresh Mint 70 Pepsodent 150 Crest Rejuvenating Effects Liquid Gel 74 Crest Rejuvenating Effects 155 Prevident5000 Booster 75 Colgate Tartar Control 165 Sensodyne 79 Colgate Luminous 175 Colgate 2-in-1 Tartar Control/White 200 The RDA table: FDA Recommended Limit 200 0-70 = low abrasive ADA Recommended Limit 250 70-100 = medium abrasive 100-150 = highly abrasive 150-250 = regarded as harmful limit Source: Kois, Seattle, WA