The RDA value (Relative Dentin Abrasion) is a standardized scale used to quantify and compare the abrasiveness of toothpaste. It measures how much a toothpaste can potentially wear away tooth enamel and dentin. Here’s what the RDA values indicate:
0-70: Low abrasive
71-100: Medium abrasive
101-150: Highly abrasive
150-250: Regarded as harmful limit
Toothpaste Brands and Their RDA Values
Let’s take a look at some common toothpaste brands and their associated RDA values:
- Sensodyne ProNamel (non-whitening varieties): RDA 34-37
- Enamelon Toothpaste: RDA 39
- Arm & Hammer Dental Care (various): RDA 49-55
- Arm & Hammer Peroxicare Regular: RDA 42
- Oxyfresh: RDA 45
- Tom’s of Maine Sensitive: RDA 49
- Squiggle Enamel Saver: RDA 45-55
- Rembrandt Original: RDA 53
- Colgate Sensitive Enamel Protect: RDA 63
- Arm & Hammer Complete-Enamel Strengthening: RDA 65
- Colgate Regular: RDA 68
- Colgate Total Regular (contains triclosan): RDA 70
- Arm & Hammer Advance White Sensitive: RDA 70
- Pepsodent Complete Care Original: RDA 70
Recommendations
The American Dental Association (ADA) recommends using toothpaste with an RDA value of 70 or less. Opt for toothpaste with lower RDA values to protect your enamel while effectively cleaning your teeth.
Remember, choosing the right toothpaste is essential for maintaining good oral health. Like most things it gets more complicated the more you learn and with toothpaste pH, desensitizers, detergents, sweeteners all can play a factor in whats best for you. Always consult with your dentist to find the best toothpaste for your specific needs.