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Best Remineralizing Toothpaste for Enamel

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When tooth enamel loses its mineral content, it becomes weak and vulnerable to decay. This is where toothpaste comes in to help replace the lost minerals and strengthen enamel in the process. Many toothpastes contain fluoride, a remineralizing ingredient, but the amount of fluoride varies across most products. The best remineralizing toothpaste for your needs may be an over-the-counter product, or your dentist may advise using a prescription.

Losing Calcium

Losing calcium and other minerals from your tooth enamel is called demineralization, and it is a natural process. Tooth enamel is mostly made of a mineral called calcium phosphate, and according to Tufts University, the enamel gains and loses it (among other minerals) every day. How?

When the acids produced by bacteria and the food you eat dissolve the minerals, your saliva – which contains small amounts of calcium, fluoride and phosphate – replaces it. However, sometimes the amount of mineral lost is too large to be replaced naturally, often due to consuming sugary foods or poor oral health care in general. You might also experience calcium leeching from the tooth enamel to compensate for calcium deficiency elsewhere in the body. This is typical to osteoporosis sufferers.

Despite this give-and-take, demineralization weakens tooth enamel. As well as raising the risk of cavities, demineralized teeth may be discolored and sensitive. Sometimes white spots appear as the first sign of this erosion in the affected areas.

Remineralizing Enamel

Toothpaste that contains calcium phosphate, stannous fluoride or similar forms of fluoride can help remineralize tooth enamel as long as there is enough left to build on. Every time you brush your teeth with a fluoride toothpaste, your tooth enamel absorbs a small amount of fluoride, which replaces the minerals that have been lost. Over time, the existing enamel becomes stronger and more resistant to decay. As you might expect, tooth enamel that contains fluoride is considerably stronger than untreated teeth.

Even the best remineralizing toothpaste does not treat cavities, but it can repair demineralized areas and help prevent cavities from appearing. Keep in mind if your teeth already have one or more cavities, you should still use a fluoride toothpaste. Adults and children with cavities are at high risk of further decay without sticking to their home care. And in the meantime, dentists can advise additional fluoride treatments before and after applying a filling.

The Best Toothpaste

Brushing regularly with a remineralizing toothpaste is one of the best methods of strengthening tooth enamel. Luckily, most toothpastes contain the fluoride to do this. Alternatively, your dentist can prescribe one of the best remineralizing toothpastes for a more advanced condition that requires a higher fluoride content. They can also help reverse white patches caused by demineralization. Unless otherwise advised by your dentist, use this prescription toothpaste only once a day. Tooth enamel cannot be replaced once it has been destroyed, but you can strengthen it when it's weak. Replace the lost minerals by brushing with a toothpaste that contains fluoride or another remineralizing ingredient, and you'll resist decay and keep smiling well into your next meal.