Are Dental Sealants Worth It? What Parents and Adults Need to Know

Hi, I’m Dr. Sutera from Aesthetic Smile Reconstruction in Boston. If you get nervous about dental visits, you’re not alone. I work with many patients who feel the same way, and that’s why we make comfort a top priority. One question I hear often is, “Are dental sealants worth it?” The short answer: yes, they can be a game-changer for protecting your teeth—especially for kids, teens, and even some adults.

Let’s break it down in a way that’s easy to understand.

What Are Dental Sealants and What Do They Do?

Dental sealants are like invisible shields for your back teeth. I paint on a thin, protective layer that covers deep grooves in your molars. These grooves are where food and bacteria love to hide, even if you do regular cleaning. By sealing them, we help keep cavities from forming.

It’s a quick, painless process. No drills, no needles. Just clean, dry, seal, and go. You can eat and drink right after.

Sealants work best on molars and premolars—the teeth in the back that do most of the chewing. Studies show that 9 out of 10 cavities happen in these back teeth, mostly because of their deep pits and grooves that are hard to clean.

Who Should Get Dental Sealants?

I usually recommend sealants for kids and teens as soon as their permanent molars come in—around age 6 and again at 12. This is when teeth are the most at risk for cavities.

Sealants can reduce the chance of molar cavities in kids by up to 80% in the first two years and still provide strong protection up to four years later.

But adults can benefit too! If your back teeth have deep grooves and no fillings yet, you may be a great candidate.

Sealants are also helpful if:

  • You’ve had cavities before
  • You have dry mouth or take meds that lower saliva
  • You snack often or sip sugary drinks
  • You have braces or difficulty brushing back teeth

Sealants work for baby teeth too, especially in little ones with a high risk for decay and cavities. Protecting baby molars helps keep space for the adult teeth to come in properly.

Do Dental Sealants Really Prevent Cavities?

Yes—sealants are one of the most effective ways to prevent cavities before they start.

According to the CDC, kids without sealants have nearly three times more cavities than those who have them. Even if you brush twice a day, toothbrush bristles can’t always reach into the deep grooves on chewing surfaces.

So, are dental sealants worth it? For most people—especially growing kids—they absolutely are.

How Long Do Sealants Last?

Most dental sealants last 5 to 9 years. But I always check them at your regular visits.

If one wears down or chips, no worries. We can reapply it quickly without needing to drill or numb you.

The better your oral care, the longer they last. Brushing, flossing, and avoiding hard snacks like ice or hard candy helps a lot.

Even when sealants wear down a bit, they can still offer some protection by covering the deepest grooves.

Are Sealants Only for Kids?

Not at all! Adults ask me all the time if they can get sealants. Those adults that are high risk for developing decay can benefit.

If you still have back teeth without fillings and want to prevent future cavities, sealants might be right for you. I often recommend them for adults who:

  • Have deep grooves in their molars
  • Get frequent cavities
  • Have dry mouth or medical conditions affecting oral health

Adults in their 20s and 30s often still benefit from sealants, especially if they didn’t get them as kids. And yes, adults over 50 with healthy molars and no restorations may also qualify.

How Much Do Dental Sealants Cost?

Sealants are affordable. They usually cost $50 to $100 per tooth.

Most dental insurance plans cover them for kids and teens, typically up to age 18. Some public programs, like Medicaid and CHIP, also offer free or low-cost sealants through school-based clinics.

Some plans may cover adult sealants too, especially if your dentist notes it’s medically necessary.

Even if you pay out of pocket, the cost of sealants is much less than a filling or crown later. And for families, community programs often offer sealants for children at little or no cost.


Do Dental Sealants Hurt?

Not at all! This is one of the most anxiety-free dental treatments.

There’s no drilling, no numbing, and no discomfort. Most of the time, it’s over in 10 minutes per tooth. You or your child can go back to school or work right after.

At Aesthetic Smile Reconstruction, we go the extra mile to make the whole experience relaxing. And if you have dental anxiety, we offer sedation dentistry options too.


Are There Any Downsides?

Sealants are very safe. But like anything, they’re not perfect.

Here are a few things to keep in mind:

  • They only protect the biting surface, not the sides of the tooth
  • They can wear down over time
  • Rarely, they can fall off or chip—but we can fix that easily

Sealants also can’t go over cavities. We place them only on healthy teeth. Still, even if a small cavity is starting, sealing it can sometimes help stop the decay from getting worse.


Can I Get Dental Sealants If I’m Nervous About the Dentist?

Absolutely. If you have dental anxiety, you’re not alone. Many of our patients feel the same way.

The good news? Sealants are one of the least stressful dental treatments. There are no needles, no drills, and we make it as calm as possible.

At Aesthetic Smile Reconstruction, I also offer sedation dentistry for anyone who needs extra help relaxing.

You’ll be in a judgment-free space, and we go at your pace. This is a great way to get back into dental care if you’ve been avoiding visits due to fear or bad past experiences.


So… Are Dental Sealants Worth It?

Yes, they are—especially if you want to prevent cavities before they start. Sealants are simple, safe, and effective.

For kids, they protect those new molars at just the right time. For adults, they can guard your natural teeth and help you avoid future dental work.

Best of all, the process is quick, painless, and affordable. And unlike fillings or crowns, sealants preserve your natural tooth structure.


Let’s Talk About Your Smile

Still wondering if dental sealants are right for you or your child? Let’s chat.

At Aesthetic Smile Reconstruction, we make dentistry feel comfortable, even if you’re nervous. We’ll walk you through every step and help you decide what’s best.

Schedule your consultation today and take the first step toward a healthier smile with less stress.

doctorsutera: Charles Sutera DMD, FAGD is a nationally acclaimed dentist known for high profile smile makeovers, complex TMJ treatment, and IV sedation dentistry for the most dental phobic patients in the country. He was one of the youngest dentists to achieve the FAGD award, a lifetime achievement award that only 6% of all dentists accomplish. He is a patented developer of dental products used in the healthcare industry and serves as a dental legal adviser for law firms across the globe. His practice, Aesthetic Smile Reconstruction, is located in the metro Boston area. The practice is known for a VIP experience and was the first to publicize the concept of cinema-style operatories for patient comfort. Dr. Sutera has been featured in numerous national publications, radio, and TV appearances.
Related Post