Dr. Andranik Tokharian, an orthodontist, points out that when buying toothpaste, one should first and foremost carefully study its ingredients.
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According to him, an effective toothpaste should contain fluoride and ingredients that reduce tooth sensitivity.
The dentist advises focusing primarily on the fluoride content, as these compounds strengthen tooth enamel, making it more resistant to acids and helping prevent cavities. A fluoride concentration of 1000 to 1450 parts per million is considered suitable for daily use by adults. It may be listed on the packaging as sodium fluoride, amine fluoride/olafluor, or sodium monofluorophosphate. He also recommends paying attention to the Relative Abrasion Index (RDA) of the toothpaste, which indicates its effect on tooth enamel.
According to him, for daily care, it is preferable to choose products with a medium degree of abrasion, up to 70-80. Because these pastes safely remove the layer of accumulated limescale without damaging the enamel.
Toothpastes with a relative abrasion index of 100 or higher are considered abrasive or "whitening." These toothpastes effectively remove stains, but they can cause tooth sensitivity and weaken enamel. Therefore, it is recommended to use them only for short periods.
For those who suffer from tooth sensitivity to cold, hot, or acidic substances, the doctor recommends choosing toothpastes that contain ingredients that reduce sensitivity, such as potassium nitrate, potassium citrate, arginine, and hydroxyapatite.
He says: "Because it closes off open dentinal tubules or prevents the transmission of nerve signals, it quickly relieves discomfort."
Tokharian notes that toothpastes containing plant extracts—oak bark, sage, chamomile, and bisabolol (a volatile oil extracted from chamomile)—help treat gum problems thanks to their astringent and antiseptic properties, reducing swelling and bleeding. However, herbal remedies are not a substitute for the effectiveness of fluoride in combating cavities.
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