What Are Dental Sealants?
Dental sealants are thin, protective coatings applied to the chewing surfaces of molars and premolars to prevent decay in hard-to-clean areas. These grooves and pits can trap food and bacteria, increasing the risk of cavities even with regular brushing. Sealants create a smooth, shielded surface that keeps out debris and acid-producing bacteria, making them especially beneficial for children and teens whose newly erupted permanent teeth are more vulnerable. The process is simple and painless: after cleaning the tooth, the sealant material is brushed on and quickly hardened with a curing light.
Although sealants are commonly recommended for kids, they can also help adults with deep grooves, past dental issues, or a higher risk for decay. Once in place, they can last for several years with proper care and may be reapplied as needed. While sealants don’t replace daily hygiene, they offer a valuable layer of protection. When paired with regular dental visits, fluoride treatments, and good oral habits, sealants play a key role in preventing cavities and preserving the health of your natural teeth.
Why Trust Altoona Smiles Family and Cosmetic Dentistry?
We apply dental sealants with precision, care, and a focus on prevention that fits every stage of life. Our team evaluates your or your child’s oral health to determine if sealants are the right choice, considering factors like cavity risk, oral hygiene, and tooth anatomy. When sealants are recommended, we ensure they’re placed carefully and effectively for long-lasting protection. Our goal is to make this simple preventive step as impactful and comfortable as possible, helping you avoid future dental problems before they start.
We believe that personalized care starts with education and open communication. During your visit, we explain the benefits of sealants, how they work, and what to expect throughout the process. Whether you’re bringing your child in for their first sealants or choosing added protection for your own smile, we’re here to make the experience smooth and stress-free. We take the time to listen, answer your questions, and provide trusted guidance tailored to your needs. When you choose us, you can feel confident knowing your dental care is thoughtful, effective, and built around your long-term oral health.
Benefits of Dental Sealants
- Cavity Prevention
Dental sealants form a protective barrier over molars and premolars, blocking out food debris and harmful bacteria. This helps prevent cavities in hard-to-clean grooves and reduces the need for future restorative treatments like fillings or crowns. - Long-Lasting Protection
Once applied, sealants can last for several years, offering durable protection against decay. Regular dental visits allow us to monitor their condition and reapply as needed, helping maintain strong, healthy teeth with minimal maintenance and long-term peace of mind. - Great for All Ages
Sealants are beneficial for children, teens, and adults who are more prone to decay. They provide a fast, painless preventive solution that supports lifelong oral health by protecting the areas of the mouth most vulnerable to cavities.
Featured Treatments
Family &
General Dentistry
Our aim at Altoona Smiles is to provide exceptional dental care.
Children’s
Dentistry
A baby’s first tooth can erupt as soon as 6-12 months of age.
Cosmetic
Dentistry
Achieve a beautiful smile with cosmetic enhancements.
Emergency
Dentistry
Altoona Smiles offers same-day appointments.
Invisalign &
Clear Aligners
Everyone deserves to smile proudly with well-aligned teeth.
Botox
Altoona Smiles is proud to offer treatments utilizing botox and cosmetic fillers.
Sealant Protection Rates Across Timeline and Comparison
Prevention Rate %
Retention Rate %
At 2 Years Post-Placement
80
95
At 3-4 Years Post-Placement
50
88
At 5-9 Years Post-Placement (Before Reapplication)
35
75
Children With Sealants vs. Without Sealants
76
100
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0%
50%
100%
Narrative: Shows sealants at peak effectiveness for 2 years (80% prevention) with excellent retention (95%). After 4 years, effectiveness declines to 50%, indicating reapplication window. By years 5-9, protection has diminished but can still provide some benefit. The final comparison shows children with sealants have 67% fewer cavities overall. Patient takeaway: sealants are highly effective initially but require monitoring and reapplication every 4-5 years for sustained protection throughout childhood and early teens.
| Timeline/Comparison | Prevention Rate | Retention Rate | Clinical Significance |
|---|---|---|---|
| 2 years post-placement | 80% of cavities prevented | 95% sealant retention | Peak effectiveness period |
| 3-4 years post-placement | 50% of cavities prevented | 88% sealant retention | Still effective but declining |
| 5-9 years post-placement | 25-50% prevention | 75% retention | Reapplication recommended |
| Children with sealants vs. without | 67% fewer total cavities | 100% benefit maintained | Significant cavity reduction |
Centers for Disease Control and Prevention (CDC) Vital Signs report | CDC MMWR Dental Sealant report | American Dental Association (ADA) | Cochrane Collaboration systematic review of sealant studies | American Academy of Pediatrics (AAP) | National Center for Chronic Disease Prevention (NCCDPHP) oral health research
Key Findings About Dental Sealants
Dental sealants reduce cavities in permanent molars by 80 percent for two years after placement and continue to protect against 50 percent of cavities for up to four years, according to the Centers for Disease Control and Prevention; sealants can be retained in the mouth for as long as nine years before needing reapplication.
Dental sealants protect the pits and fissures of permanent posterior teeth, where 90 percent of decay occurs in school-aged children’s teeth; these deep grooves in back teeth trap food and bacteria, making molars especially prone to cavities. Sealants create a physical barrier on the chewing surfaces, preventing food particles and germs from causing decay.
A Cochrane Collaboration review of sealant studies found that sealant placement on the occlusal surfaces of permanent molars in children and adolescents reduces caries by 81 percent when compared to no sealant, making dental sealants one of the most effective preventive treatments available for reducing childhood cavities.
Kids without sealants have nearly three times as many cavities as children with them, according to CDC research; however, only about 43 percent of 6- to 11-year-old children have dental sealants, and low-income children are 20 percent less likely to have sealants than higher-income children, indicating a preventive care gap in vulnerable populations.
Almost 1 million cavities have been prevented in children from low-income households as a result of dental sealant programs, demonstrating the public health impact of this simple, cost-effective intervention; dental sealants cost considerably less than restorations and can prevent expensive, invasive treatments.
Dental sealants are safe and cause no adverse health effects; resin-based sealants, the most commonly used type, have been approved by the ADA and FDA. Any concerns about trace amounts of materials used in sealants are outweighed by the significant cavity prevention benefits, particularly for children at high risk for decay.
See Why Patients Trust Us Through Verified Reviews
“I believe dentistry is about so much more than just treating teeth. It’s about helping you understand your oral health and discover the best smile that’s been inside you all along. Over my 20 years in this profession, I’ve learned that patients who take an active role in their care achieve better outcomes and feel more confident in their smiles.”
Dr. Nicole Brummel
Co-Owner & General Dentist
Questions About Dental Sealants
What exactly are dental sealants and how do they work?
Dental sealants are thin, plastic coatings applied to the chewing surfaces of permanent back teeth (molars and premolars) where 90 percent of decay occurs in school-aged children. Sealants create a physical barrier that prevents food particles and bacteria from settling into the deep pits and fissures of these teeth, which cannot be cleaned effectively by a toothbrush. The process is quick, painless, and highly effective.
When should my child get dental sealants?
Dental sealants should be applied when your child’s permanent first molars erupt, typically around age 6, and again when their second molars come in around age 12. The Altoona Smiles team evaluates each child during their regular visit to determine the optimal timing based on their oral health and cavity risk. Early application provides the longest period of protection during the most vulnerable years for cavity development.
How long do dental sealants last?
Dental sealants can be retained in the mouth for as long as nine years before needing reapplication, though reapplication is often recommended around 4-5 years after placement. The Altoona Smiles team monitors sealant integrity during regular checkups and recommends reapplication if sealants show signs of wear or erosion, ensuring continuous protection.
Are dental sealants safe and approved by health organizations?
Dental sealants are approved by the American Dental Association (ADA) and FDA and are endorsed by the CDC, American Academy of Pediatrics, and numerous other health organizations as safe and effective. Resin-based sealants have no credible adverse health effects, and the cavity prevention benefits far outweigh any theoretical concerns about trace materials.
How much do dental sealants cost, and do they save money compared to treating cavities?
Dental sealants cost considerably less than restorative treatments; they prevent expensive and invasive procedures like fillings (averaging $200-500), crowns (averaging $1,000-3,000), and root canals (averaging $1,000+). Sealing just a few teeth can pay for itself many times over by preventing just one cavity that would require a filling or crown.