Dental sealants offer powerful protection for your molars and premolars against decay. These thin plastic coatings create a shield over the chewing surfaces of back teeth, blocking food particles and bacteria from settling in hard-to-clean grooves. At London Dental Specialists, our painless application process takes just minutes per tooth. Many patients wonder about cost (typically £40-50 per tooth), durability (several years with proper care), and which teeth benefit most (first molars show highest retention rates). While extremely effective for both children and adults, proper application technique is crucial for maximum effectiveness. Our specialists ensure complete coverage and proper bonding for lasting protection. Have questions about whether dental sealants are right for you or your child? Our team is ready to address your concerns.
What are dental sealants for molars and premolars?
Dental sealants are thin, protective plastic coatings that are applied to the chewing surfaces of the back teeth (molars and premolars). They work by forming a physical barrier that prevents food particles and bacteria from becoming trapped in the deep grooves and fissures of these teeth, helping to prevent tooth decay. At London Dental Specialists, our sealants are applied as a liquid that quickly hardens to create a durable shield over the tooth surface.
How is the dental sealant procedure performed?
The dental sealant procedure at London Dental Specialists is quick, painless, and non-invasive. It involves these simple steps:
- The teeth are thoroughly cleaned and dried
- An etching solution is applied to roughen the tooth surface for better adhesion
- The teeth are rinsed and dried again
- The sealant material is painted onto the chewing surface
- A special curing light is used to harden the sealant
The entire process takes only a few minutes per tooth and requires no drilling or removal of tooth structure.
How much do dental sealants cost at London Dental Specialists?
The cost of dental sealants at London Dental Specialists may vary depending on the number of teeth being treated. While the average price typically ranges from £30 to £45 per tooth, we recommend scheduling a consultation for a precise quote. Many dental insurance plans cover sealants, especially for children and teenagers. We're happy to discuss payment options and help determine if your insurance provides coverage for this preventive treatment.
How long do dental sealants last?
With proper care and regular dental check-ups, dental sealants can last up to 10 years. At London Dental Specialists, we check the condition of your sealants during routine examinations and can repair or replace them as necessary. Factors that affect longevity include oral hygiene practices, biting forces, and the type of sealant material used. Our high-quality materials and precise application techniques help ensure maximum durability.
Are dental sealants suitable for both children and adults?
Yes, dental sealants are beneficial for both children and adults. At London Dental Specialists, we typically recommend sealants for children as soon as their permanent molars and premolars erupt (usually between ages 6-14) since these years are most cavity-prone. However, adults without decay or fillings in their molars can also benefit from sealants, especially those prone to cavities or with deep tooth grooves. Each patient receives personalised recommendations based on their specific oral health needs.
Which teeth retain sealants the best?
Permanent first molars typically retain sealants the best, with studies showing approximately 51% complete retention after three months, compared to about 47% for primary second molars. At London Dental Specialists, we use advanced application techniques and high-quality materials to maximise retention rates across all teeth. The success of sealant retention also depends on proper isolation during application, the tooth's surface characteristics, and regular follow-up care.
What are the potential disadvantages of dental sealants?
While dental sealants are generally very safe and effective, there are a few considerations to be aware of:
- Improper application (such as incomplete coverage or saliva contamination) may reduce effectiveness
- Resin-based sealants may contain trace amounts of BPA, though the amount is minimal and considered safe by dental authorities
- Sealants require periodic checking and may need replacement over time
- They only protect the chewing surfaces, not between teeth
At London Dental Specialists, our experienced team uses proper isolation techniques and high-quality materials to minimise these concerns.
Can dental sealants be applied over existing cavities?
In some cases, dental sealants can be applied over very early, small cavities to prevent further decay. This approach helps stop the progression of decay by sealing off the supply of nutrients to the bacteria causing the cavity. However, at London Dental Specialists, we carefully evaluate each situation. More developed cavities will need to be treated with fillings or other restorative procedures before sealants can be applied. Our dentists will thoroughly examine your teeth and recommend the most appropriate treatment.
How should I care for my teeth after getting dental sealants?
After getting dental sealants at London Dental Specialists, you should maintain your regular oral hygiene routine, including:
- Brushing twice daily with fluoride toothpaste
- Flossing once daily
- Attending regular dental check-ups every six months
- Avoiding excessive consumption of hard sweets or ice that could damage the sealants
- Using a mouthguard during sports if recommended
Remember that sealants only protect the chewing surfaces, so proper oral hygiene remains essential for overall dental health.
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