Dentist in the St. Louis Area

Tooth Sealants in St. Louis, MO

Protect Your Smile With Long-Lasting Cavity Prevention

At STL Mid-County Dental, our team provides professional dental sealants in St. Louis, MO for children and adults who want to keep their teeth strong and healthy for life. Led by Dr. Sean Landgraf, Dr. Michael Chon, Dr. Ben Stieren, and Dr. Betsaida Delgado, we take a prevention-first approach to care. Whether you’re protecting a child’s newly erupted molars or reinforcing adult teeth that have deep grooves, our gentle tooth coatings help block cavities before they start. Schedule a visit today to discover how simple preventive dentistry can be.

What Are Dental Sealants and How Do They Work?

Dental sealants are thin, protective coatings applied to the chewing surfaces of back teeth, where most cavities begin. These tooth coatings seal the small pits and grooves that toothbrushes can’t always reach.

  • Made from durable resin or glass-ionomer material
  • Shields enamel from plaque and acids that cause decay
  • Works best alongside regular brushing, flossing, and fluoride care

Sealants create a smooth barrier that keeps food particles out, offering years of protection against everyday wear.

Why Should I Get Dental Sealants?

Prevention is at the heart of everything we do. Our cavity prevention sealants provide a fast, affordable way to keep teeth healthy and reduce the need for restorative treatments later on.

Benefits include:

  • Up to 80 percent fewer cavities in protected molars
  • Simple, painless application that takes only minutes
  • Long-term cost savings compared with fillings or crowns

At STL Mid-County Dental, we believe proactive care leads to a lifetime of confident smiles.

Can Adults and Children Both Benefit From Dental Sealants?

Yes. Sealants for teeth are effective for patients of all ages.

  • Children: Ideal as soon as permanent molars erupt (around ages 6 and 12)
  • Adults: Helpful for those with deep grooves or early enamel wear
  • Teens and seniors: Evaluated during regular preventive checkups

Our dentists evaluate each patient individually to recommend the right timing for sealant placement.

What Is the Procedure Like for Applying Dental Sealants?

The application process is quick and comfortable. Most appointments take less than 30 minutes.

  1. The teeth are professionally cleaned and dried.
  2. A gentle gel conditions the enamel surface.
  3. The tooth coating is brushed onto each molar.
  4. A special light hardens the material within seconds.

No drilling, anesthesia, or downtime is required, making it a great choice for children and adults alike.

Can Sealants Be Applied Over Early Decay or Do I Need a Filling First?

If decay is limited to the outer enamel layer, our dentists may seal over it to stop progression.
However, when decay has reached deeper layers, a filling is necessary before applying a sealant. During your visit, the STL Mid-County Dental team will evaluate each tooth and recommend the best option for long-term health.

Do Dental Sealants Prevent All Cavities or Just Some?

Sealants protect the chewing surfaces of molars and premolars, where most cavities form. They don’t cover the sides of teeth or the spaces between them, so daily brushing, flossing, and fluoride remain essential. Combined with routine checkups, dental sealants provide one of the most effective defenses against tooth decay.

How Do I Care for Teeth With Sealants?

Caring for sealed teeth is simple.

  • Brush twice daily with a fluoride toothpaste.
  • Floss to clean between teeth.
  • Avoid biting hard objects like ice or pens.
  • Visit us regularly for professional cleanings and oral exams.

Our team checks each dental sealant during preventive appointments to ensure it remains intact and effective.

How Long Do Dental Sealants Last?

With good oral hygiene, dental sealants can last five to ten years. If a sealant wears thin or chips, our team can easily repair or reapply it during your visit, keeping your teeth protected for the long run.

When Should Sealants Be Replaced or Reapplied?

Sealants may need replacement when:

  • They appear worn, chipped, or partially missing
  • Your dentist notices thinning or detachment during an exam

Regular visits to STL Mid-County Dental ensure your cavity prevention sealants continue to do their job.

How Much Do Dental Sealants Cost in St. Louis, MO?

Most insurance plans cover dental sealants for children, and some extend coverage to adults. For those without insurance, we offer financing options and flexible payment plans.

Call our practice to learn about coverage, out-of-pocket costs, and our affordable preventive packages.

Why Choose STL Mid-County Dental for Dental Sealants

When it comes to preventive dentistry, experience, compassion, and education make all the difference. At STL Mid-County Dental, our team takes pride in offering a family-centered environment where patients of every age feel comfortable and cared for.

  • Comprehensive, family-friendly dental care: We make it easy for kids, teens, and adults to receive high-quality dental sealants and preventive care all under one roof. From your child’s first molars to adult maintenance visits, every treatment is tailored to your comfort and long-term health.
  • Experienced and community-focused dentists: Our team includes multiple doctors with decades of combined experience. Dr. Sean Landgraf, Dr. Michael Chon, Dr. Ben Stieren, and Dr. Betsaida Delgado share a commitment to lifelong learning and regularly teach, volunteer, and mentor within the St. Louis dental community.
  • Advanced technology and gentle techniques: We use modern tools and materials to ensure sealants are applied quickly, precisely, and comfortably. For patients who feel anxious about dental visits, we offer sedation options that make preventive care stress-free.
  • Accessible care and flexible scheduling: Evening hours, convenient appointment options, and transparent pricing make it simple to fit preventive care into your busy routine. We accept many insurance plans and provide affordable solutions for uninsured patients.
  • A long-term commitment to healthy smiles: Our mission is to help every patient enjoy a lifetime of confidence and wellness through honest communication, education, and preventive care that keeps teeth healthy before problems begin.

At STL Mid-County Dental, your comfort and trust come first. We combine genuine compassion with proven preventive solutions to help every smile stay strong and cavity-free for years to come.

Protect Your Smile With Dental Sealants in St. Louis

Healthy teeth start with prevention. At STL Mid-County Dental, we make it easy for children, teens, and adults to protect their smiles with durable, professional dental sealants in St. Louis, MO. Call our office or book online to schedule your preventive sealants appointment today.

Dental Sealant Guarantee

We will replace sealants for a period of 2 years after placement in the event they are lost. You must keep the regular prescribed re-care appointments (minimum every 6 months) for the warranty to stay valid.

Our Limited Dental Warranty Information

What our patient says

5 stars
"I’ve been seeing Dr. Landgraf for several years and have always been treated well, both personally and professionally. The staff is friendly and helpful. The hygienists are comfortable to be with, articulate, and instructive. Dr. Landgraf explains what I need to get done so that I can make informed decisions. I highly recommend Florissant Dental Services."
- Diane F.
Schedule an Exam: 314-720-6600