Dr. Andy Mancini Discusses the Role of Fluoride in Preventing Dental Caries


Tooth decay, also known as dental caries, is one of the most common dental problems across the world. While brushing and flossing are important, fluoride plays a key role in keeping teeth strong and healthy. Dr. Andy Mancini explains how fluoride works, why it is widely used in dentistry, and what you can do to benefit from it.’


What Is Fluoride?

Fluoride is a natural mineral found in water, soil, and certain foods. It is not a new discovery. For decades, dentists have recommended fluoride because it helps protect teeth against decay. When used in the right amount, fluoride makes teeth stronger and more resistant to bacteria that cause dental caries.

How Fluoride Protects Teeth

Dr. Andy Mancini points out that fluoride protects teeth in two main ways:


  1. Strengthening enamel – Fluoride helps rebuild weakened enamel, the hard outer layer of the teeth. Strong enamel can better fight off acids from food and bacteria.

  2. Reversing early decay – If tooth decay starts, fluoride can actually help repair the very first stages before a cavity forms.

  3. Fighting harmful bacteria – Fluoride slows down the activity of bacteria in the mouth, reducing the risk of caries.

Sources of Fluoride

There are several safe and common ways to get the right amount of fluoride:

  • Fluoridated drinking water – Many communities add a small amount of fluoride to public water supplies. This simple step has greatly reduced dental caries worldwide.

  • Fluoride toothpaste – Using fluoride toothpaste twice a day is one of the easiest and most effective ways to protect your teeth.

  • Fluoride mouth rinses – These rinses are often recommended for people who are more prone to cavities.

  • Professional treatments – Dentists can apply fluoride gels, varnishes, or foams during dental visits for extra protection, especially for children and people at higher risk.

Fluoride for Children and Adults

Dr. Andy Mancini stresses that fluoride benefits people of all ages:


  • Children – Fluoride is especially important while children’s teeth are still developing. It helps build strong enamel from the start.

  • Adults – Fluoride continues to protect adult teeth by repairing early decay and preventing cavities. Adults with gum disease, dry mouth, or a history of frequent cavities benefit even more from regular fluoride use.

Common Myths About Fluoride

Despite its proven benefits, some myths about fluoride still exist. Dr. Andy Mancini addresses a few of the most common ones:


  • Myth: Fluoride is unsafe. In reality, fluoride is safe when used in recommended amounts. Dentists and health organizations around the world support its use.

  • Myth: Fluoride is only for kids. Both children and adults need fluoride to maintain healthy teeth.

  • Myth: Natural remedies can replace fluoride. While a healthy diet and good oral hygiene are important, fluoride provides a unique level of protection that natural remedies alone cannot match.

How to Use Fluoride Safely

Like anything, fluoride should be used in the right amount. Dr. Andy Mancini offers these simple tips:

  • Brush twice a day with fluoride toothpaste.

  • Supervise young children to make sure they do not swallow toothpaste.

  • Ask your dentist if you or your child could benefit from professional fluoride treatments.

  • Drink fluoridated water if it is available in your community.

Final Thoughts from Dr. Andy Mancini

Fluoride is one of the most effective tools we have to prevent dental caries. It strengthens teeth, repairs early damage, and protects people of all ages from decay. By using fluoride toothpaste, drinking fluoridated water, and visiting the dentist regularly, you can keep your teeth strong and healthy for years to come.
Location: Alaska, USA

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