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Can Adults Get Dental Sealants? Here’s All You Need to Know

July 8, 2025

Cavities are often associated with children, but adults can get them just as frequently. In fact, grown-up habits like smoking, drinking coffee, or consuming alcohol increase one's chances of developing decay. This can be disheartening, as every time you visit your dentist for general dentistry in San Antonio, TX, you hear the same outcome: “There’s a new cavity.”

Brushing your teeth after every meal and flossing daily are crucial to keeping your smile in top condition, but some people are just more prone to decay. In these cases, sealants can be a great aid in protecting your teeth, but are they for adults, too?

What Are Dental Sealants?

Dental sealants are thin plastic coatings that cover the small grooves on the chewing surfaces of molars, premolars, and back teeth. When properly positioned on these deep pits, they serve as a barrier between food particles, bacteria, and the cracks in your teeth.

This keeps them protected from the acid that causes cavities. Any dental professional, including your dentist or dental hygienist, can apply dental sealants.

The process is quick and painless, starting with a thorough consultation to ensure no decay underneath the tooth. If a tooth has a cavity, the sealant may trap the infection inside, causing more severe decay.

Can Adults Get Dental Sealants?

Yes, adults can get dental sealants. 92% of adults between the ages of 20 and 64 have had a cavity, according to the National Institute of Dental and Craniofacial Research. Adults may also be more susceptible to cavities if their teeth have many pits and crevices.

Additionally, certain factors make adults more prone to cavities, such as:

  • Family history of tooth decay.
  • Habits like bruxism (teeth grinding) increase the risk of developing cavities because they can weaken and wear down tooth enamel.
  • Certain medications can cause dry mouth. Although this may seem an innocent side effect, saliva helps the mouth naturally rid itself of cavity-causing bacteria. Adults who take a variety of medications on a regular basis may be even more susceptible to dry mouth and cavities.
  • Dental sealants may be an excellent option for patients who are more susceptible to cavities.

Keep Your Smile in Top Condition with the Help of General Dentistry in San Antonio, TX

If oral care is a struggle for you, dental sealants can be a key procedure. Covering the deep grooves of molars where food can easily accumulate effectively reduces the chances of decay. Sealants, however, should not be used in place of proper brushing, flossing, or routine dental examinations.

During a visit to La Cantera Group, we’ll assess the state of your smile, suggest a dental cleaning if necessary, and ensure your sealants remain strong. If you’d like to learn more about these treatments, reach out!

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