Dental Sealants
Sealants: the most effective way to prevent cavities.
DENTAL SEALANT
The grooves on molar surfaces
are hard to reach with a toothbrush
Molars have deep grooves and fissures that bristles can't properly reach. Sealants seal these grooves in advance to prevent bacteria and food from accumulating — the most effective cavity prevention treatment.
90%
Cavity prevention rate for molars
In groove areas on biting surfaces
Pain-free
No anesthesia needed
No drilling involved
Covered
For those under 18
1st and 2nd molars
RECOMMENDED FOR
Sealants Are Recommended For
Children aged 6–7
Right after the first molar (6-year molar) has fully erupted is the optimal time.
Children aged 11–13
Timed with the eruption of the second molar (12-year molar).
Cavity-prone children
Especially effective for children with high cavity risk or deep molar grooves.
First-time dental visitors
At the first check-up, a specialist will evaluate whether sealants are appropriate.
PROCEDURE
Sealant Procedure
Completed in about 20–30 minutes with no anesthesia.
Tooth Cleaning
Foreign matter and plaque are thoroughly removed from the tooth surface.
Acid Etching
The tooth surface is treated with an acidic solution to improve sealant adhesion.
Sealant Application
A resin-based sealant is applied into the grooves on the molar biting surface.
Light Curing
A special light source quickly hardens and sets the sealant.
FAQ
Frequently Asked Questions
What age is best for sealants?
Right after the first molar (around age 6) and again for the second molar (around age 12) are the most effective times. Missing these windows is important to avoid.
Is health insurance covered?
Insurance covers the first and second molars for children under 18, significantly reducing the cost for parents.
Will sealants prevent all cavities?
They prevent over 90% of cavities in groove areas on biting surfaces. However, cavities between teeth or on smooth surfaces are not prevented, so proper brushing and flossing must continue.
How long do sealants last?
With proper care, they last 5–10 years. Sealant condition is checked at each regular visit and repaired as needed.
Is the treatment painful?
It is a pain-free procedure requiring no anesthesia. Since no drilling is involved — just filling the grooves — children can receive it comfortably.