Understanding Root Canal Procedures

From Prevention To Fillings: FAQs About Cavities

5 June 2023

Diane Mason

How can you prevent cavities from forming or treat existing decay? Prevention is the best strategy. But it isn't always possible. Take a look at everything you need to know about cavities.

What Are Dental Cavities? 

As the name implies, this common oral issue is a hole (or cavity) in your tooth. Also known as dental decay or dental caries, these spots are permanent damage that you can't reverse with care.

What Are the Causes of Dental Caries?

Dental decay can happen to anyone at any time in their life (provided you have natural teeth). But you're more likely to develop decay if:

• You don't brush well. The American Dental Association (ADA) recommends brushing for at least two minutes. You should brush twice a day or more with toothpaste containing fluoride to decrease the risk of dental caries.
• You don't floss well. Even though brushing can remove plaque and debris, it can leave some fragments behind. Dental floss or a flossing tool can lift away cavity-causing debris caught in between your teeth.
• You regularly eat sugary types of foods. High-sugar foods (and beverages) can feed the bacteria in your mouth. This leads to plaque formation and dental caries. Avoid or limit sugary picks—especially sticky foods that are hard to remove from your teeth.
• You eat/drink acidic foods or beverages. These foods and beverages can wear away dental enamel, making it easier for dental caries to form on your teeth.
• You have dry mouth. Saliva washes away debris and plaque-forming bacteria. The right amount of saliva decreases the risk of cavity development.
• You have a family history of dental caries. Some people are genetically more likely to have dental decay. If you have a family history of dental caries, you may need to take special or extra care of your mouth.

Even though there are several causes of caries, you can take steps to prevent dental decay. Prevention should include regular at-home care, routine visits to the dentist's office for a professional-strength cleaning and an exam, and changes to your diet (avoiding sugary or acidic foods and drinks).

How Can You Treat Dental Decay?

If your best efforts to prevent dental caries failed, you can treat this common oral issue. Cavity fillings made from tooth-colored composite resin, gold, or silver amalgam can, as the name implies, fill the hole in your tooth. The dentist will need to drill the decay out of the affected tooth before placing the restoration. Dental fillings protect the tooth from further decay and can stop discomfort or sensitivity.

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