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Lynn A. Jones, DDS

Voted Best Cosmetic Dentist in Seattle & Bellevue (2008-2017). More 5-star reviews than ANY dentist in Washington, and more than ANY cosmetic dentist or implant dentist in Washington, Oregon, & British Columbia.

 
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Toothpaste Abrasiveness

The toothpaste you are using may be wearing away the enamel and the dentin on your teeth, especially at the gumline! The use of “grit” in toothpaste is not unlike the use of grit on sandpaper. The more grit, the more effective at removing stain and plaque. Unfortunately, a significant downside is the destruction of tooth structure.

There is an abrasiveness index for toothpastes called the RDA index. The higher the value, the more abrasive it is. At or below 45 may be an acceptable balance between benefit and risk if you must use toothpaste. Over 45 is a matter of how quickly the loss of tooth structure can occur based on the RDA, frequency of use, type of toothbrush, and brushing technique. The most ideal approach would be to not use toothpaste but rather dip your brush into a mouthwash. The next best alternative would be to use only toothpowders or gels, which are typically less abrasive. If you don’t know the RDA of your toothpaste, you can find out by using the consumer contact information on the package or container. The following list gives the RDA index of just some of the many types of toothpaste that exist today.

04 Toothbrush With Plain Water 91 Aquafresh Sensitive
07 Plain Baking Soda 93 Tom’s Of Maine
15 Weleda Salt Toothpaste 94 Rembrandt Plus
30 Elmex Sensitive Plus 95 Oxyfresh With Fluoride
30 Weleda Plant Tooth Gel 95 Crest Regular
35 Arm And Hammer Dental Care 97 Oxyfresh Powder
40 Weleda Childrens Tooth Gel 101 Natural White
42 Arm And Hammer Advanced Whitening/Peroxide 103 Mentadent
44 Squiggle Enamel Saver 103 Arm And Hammer Sensation
45 Weleda Calendula Toothpaste 104 Sensodyne Extra Whitening
45 Weleda Pink Toothpaste With Ratanhia 106 Colgate Platinum
45 Oxyfrsh 106 Arm And Hammer Advance White
48 Arm And Hammer Dental Care Sensitive 107 Crest Sensitive Protection
49 Tom’s Of Maine Sensitive 110 Colgate Herbal
52 Arm And Hammer Peroxicare Regular 110 Amway Glister
53 Rembrant Original 113 Aquafresh Whitening
53 Closys 117 Arm And Hammersensation Tartar Control
54 Arm And Hammer Dental Care Pm Bold Mint 120 Close Up With Baking Soda
57 Tom’s Of Maine Children’s 124 Colgate Whitening
62 Supersmile 130 Crest Extra Whitening
63 Rembrant Mint 133 Ulra Brite
68 Colgate Regular 144 Crest Multicare Whitening
70 Colgate Total 145 Ultra Brite Advanced Whitening Formula
54 Arm And Hammer Advance White Sensitive 150 Pepsodent
70 Colgate 2-In-2 Fresh Mint 165 Colgate Tartar Control
78 Biotene 168 Arm & Hammer Dental Care PM Fresh Mint
79 Sensodyne 176 Nature’s Gate Paste
80 Aim 200 Colgate 2-In-1 Tartar Control/Whitening
80 Close Up  
82 Under The Gum  
83 Colgate Sensitive Max Strength 200 FDA recommended upper limit
87 Natures Gate 250 ADA recommended upper limit