What Are Dental Sealants and How Do They Work?

  • Home
  • /
  • Blog
  • /
  • What Are Dental Sealants and How Do They Work?

As a preventive step, your dentist may have recommended dental sealants for your children. While this treatment is well-known for reducing tooth decay, understanding how it works is critical. Let’s go into the specifics of dental sealants and how they work to protect teeth.

For general health and well-being, maintaining optimal dental health is crucial, and maintaining a white, healthy smile requires taking preventative measures. As a preventive measure, dental sealants have grown in popularity in recent years. We will explore the topic of dental sealants in this blog post, learning about their functions and how they protect your teeth against harm.

What Are Dental Sealants?

Dental sealants are thin, protective coatings applied to the chewing surfaces of molars and premolars—the back teeth, where tooth decay often begins. These sealants are typically made of a plastic material and are clear or tooth-colored, making them virtually invisible.

Dental sealants protect all of the nooks and crevices of the teeth that are vulnerable to deterioration. Regardless of how hard one brushes, some parts of the teeth are inaccessible. This is especially common at the base of the molars. As a result, they are more susceptible to cavities than other teeth for which you need dental sealants near you. The sealant material fills and attaches to the tooth, smoothing it and making it less susceptible to cavities.

How Do Dental Sealants Work?

  1. Sealing off Vulnerable Areas: Dental sealants function by establishing a protective barrier on the tooth’s surface. This barrier effectively seals off the deep grooves and pits where food particles and bacteria tend to accumulate. These areas are challenging to access with regular toothbrushes, increasing their susceptibility to decay over time.
  2. Preventing Plaque Formation: The smooth surface created by the sealant makes it harder for plaque to accumulate. Plaque is a sticky film of bacteria that can lead to cavities and gum disease if not adequately removed. By preventing the buildup of plaque, dental sealants contribute to maintaining optimal oral hygiene.
  3. Protecting Against Acid and Bacteria: As a protective shield, dental sealants act as a barrier against acid attacks from bacteria in the mouth. These acids can erode tooth enamel over time, leading to cavities. Sealants provide an extra layer of defence, reducing the risk of acid-induced damage.
  4. Long-lasting Protection: While dental sealants are not a permanent solution, they offer long-lasting protection. With proper care and regular dental check-ups, sealants can effectively guard teeth during the most cavity-prone years, typically childhood and adolescence.

Who Can Benefit from Dental Sealants?

  1. Children and Adolescents: Dental sealants are commonly recommended for children and teenagers as their permanent molars and premolars erupt. Applying sealants during this stage provides crucial protection during the formative years of oral health. You can reach a children’s dentist to learn more about it. 
  2. Adults at Higher Risk: While sealants are often associated with children, adults who are prone to cavities or have deep grooves in their teeth can also benefit from this preventive measure. Dentists may recommend sealants based on an individual’s oral health needs.


Dental sealants are a valuable tool in the arsenal of preventive dentistry. By creating a protective barrier against decay, these thin coatings offer a simple yet effective way to safeguard teeth, particularly in areas that are challenging to clean thoroughly. Whether for children entering their cavity-prone years or adults seeking extra protection, dental sealants contribute to maintaining a healthy and radiant smile for years to come. Regular dental check-ups with a pediatric dentist near you and good oral hygiene practices complement the effectiveness of sealants, ensuring comprehensive dental care for individuals of all ages.

FOOTER » Greenwoods Pediatric Dentistry