Sealants & Fluoride
Fissure sealants close the deep grooves where almost all childhood decay begins, and fluoride varnish strengthens enamel and remineralises early white spots. Both are painless, need no drilling, and are among the best-evidenced preventive measures in dentistry.
What Is a Fissure Sealant?
A fissure sealant is a thin protective coating flowed into the grooves on the biting surfaces of the back teeth and hardened with a light. Those grooves are narrower than a single toothbrush bristle, which is why they hold plaque that brushing cannot reach - and why the overwhelming majority of decay in children starts there rather than on the smooth surfaces.
Sealing them removes the shelter. It is painless, requires no drilling and no anaesthetic, and it is among the best-evidenced preventive measures in dentistry: sealed molars develop substantially less decay than unsealed ones over the years that matter most.
How Is It Done?
- Cleaning. The tooth surface is cleaned and dried. There is no drilling at any stage.
- Conditioning. A mild etching gel is applied for a few seconds and rinsed off, so the sealant bonds to the enamel.
- Application. The liquid sealant flows into the grooves.
- Curing. A light hardens it in seconds.
- Checking the bite, and adjusting if it feels high.
The whole thing takes a few minutes per tooth. Children can eat immediately afterwards, and there is nothing to feel or avoid.
At What Age?
Shortly after the tooth erupts, while the grooves are still clean. In practice that means the first permanent molars at around six to seven years old, and the second permanent molars at around eleven to thirteen. Baby molars are sealed too where the grooves are deep or the child is at high risk.
Timing matters more than most parents realise. A tooth sealed within the first year of eruption is protected during the period when it is most vulnerable; a tooth sealed at fifteen may already have decay hidden in the fissure.
Who Should Have Them?
Children with deep, narrow grooves; children with a history of decay in other teeth; children who find brushing difficult, including those with additional needs; children wearing orthodontic appliances; and anyone whose diet or medical situation raises their risk. Adults with deep unfilled fissures and a history of decay benefit too - sealants are not only for children, though that is where they are used most.
A tooth that already has decay in the fissure cannot be sealed over. It needs a small filling instead, and sealing over active decay traps the problem out of sight.
Are Sealants Harmful?
No. The material is applied to the surface and removes no tooth structure. The occasional question about trace bisphenol-A derivatives in resin sealants has been examined repeatedly: exposure is minute, transient, and far below any level of concern, and the professional consensus is that the benefit of preventing decay substantially outweighs it. Wiping and rinsing the tooth after placement, which is routine practice, reduces even that.
How Long Do They Last?
Several years, often five or more, but they are checked at every routine appointment because a partially lost sealant is worse than none - it leaves an edge that holds plaque. Where wear or loss has occurred, the sealant is simply topped up, which takes minutes. That is the entire maintenance requirement.
What Is Fluoride Varnish?
Fluoride varnish is a concentrated fluoride applied directly to the teeth, where it sets on contact with saliva and releases fluoride over the following hours. It strengthens enamel by forming a more acid-resistant surface, it helps early white-spot lesions remineralise before they become cavities, and it reduces sensitivity in exposed root surfaces.
It is the same principle as fluoride toothpaste, at a much higher concentration and under professional control - which is why it is applied a few times a year rather than daily.
How Is It Applied?
The teeth are cleaned and dried, and the varnish is painted on with a small brush. It takes a minute or two, it does not require any cooperation beyond sitting still, and it can be applied from the eruption of the first tooth. The varnish feels slightly sticky and may make the teeth look temporarily dull or yellowish - that is the coating, not a stain, and it brushes off the following day.
Afterwards
- No eating or drinking for 30 minutes.
- Soft food and nothing hot for the rest of the day.
- Do not brush until the next morning, so the varnish stays in contact with the enamel overnight.
- The dull appearance disappears with the first brushing.
Up to What Age?
There is no upper limit. Varnish is used from infancy through childhood, and in adults it is applied for exposed root surfaces, sensitivity after gum treatment, high decay risk, dry mouth from medication, and around orthodontic brackets. The frequency is set by risk: twice a year for most people, three or four times a year for those at higher risk.
Sealants and Fluoride for Visiting Families
Both fit into a single short appointment with no follow-up needed, so they are a straightforward addition if your child is having a check-up during your stay. If we find a fissure that is already decayed rather than merely deep, we will tell you and treat it appropriately rather than sealing over it.
Why We Do Not Publish Prices
Because the number of teeth involved varies from one to eight, and because some teeth turn out to need a small filling rather than a sealant. After the examination you receive a written plan listing each tooth.
Sealants and Fluoride in Kusadasi
Our clinic is in Cumhuriyet Mahallesi in Kusadasi, with five treatment units. Your child examination is carried out by Tugce Arslan, and the fissures are assessed individually - deep grooves are sealed, decayed ones are treated, and the difference is explained to you.
The information on this page is general and does not replace a clinical examination. Whether sealants or fluoride application are appropriate can only be decided after examination.
Sealants & Fluoride
Can a tooth still decay after a fissure sealant?
The sealant protects the grooves on the chewing surface, which is where most decay in children starts, and it reduces the risk there substantially. It does not protect the sides of the tooth between the contacts, so brushing, flossing and a controlled sugar intake remain necessary. Decay can also start if the sealant chips or wears without being noticed, which is why we check the sealed surfaces at every routine visit and repair them when needed.
Will my child manage to keep their mouth open during the procedure?
Almost always, because it is short and painless. There is no drilling and no injection: we clean the surface, apply a gel, rinse it off, place the material and harden it with a light. One tooth takes a few minutes. For younger or anxious children we work in short stages, let them touch the instruments first and use a soft bite prop so the jaw can rest. If a child is very apprehensive, we would rather split the appointment than force it, and a first visit with no treatment at all is always an option.
Are sealants and fluoride treatments covered by insurance?
Preventive care for children is among the most widely reimbursed dental services, and many public systems and private policies cover sealants on permanent molars and periodic fluoride application up to a certain age. The details differ by country and by policy, so please check with your own insurer. We provide itemised invoices with procedure codes and a written record of which teeth were treated, which is what most insurers ask for.
Are sealants also placed on baby teeth?
Yes, when there is a reason for it. Baby molars have deep grooves too, and in children with a high decay risk, deep fissures or previous cavities, sealing them is worthwhile because these teeth stay in the mouth until around the age of ten to twelve and hold the space for the permanent ones. In children with low risk and shallow grooves, fluoride and good hygiene are usually enough. We decide tooth by tooth rather than by a blanket rule.
Is fluoride treatment necessary for children wearing braces?
It is particularly valuable then. Brackets create dozens of new sites where plaque collects and where a toothbrush reaches poorly, and the white marks that sometimes appear after the appliance is removed are early decay at exactly those sites. Professional fluoride varnish at regular intervals during treatment, combined with a fluoride toothpaste and interdental cleaning at home, is the most effective way to prevent them. We usually schedule it alongside the orthodontic check-ups so it costs you no extra visit.
We already use fluoride toothpaste. Is a treatment at the practice still needed?
They work in different ways. Toothpaste supplies a low concentration many times a day, which is the foundation and should not be replaced. Professional varnish delivers a far higher concentration that stays on the enamel for hours and penetrates early lesions in a way that daily use cannot. For a child with a low decay risk, toothpaste alone may well be enough. Where there are early white spots, deep fissures, braces or a history of cavities, the two combined make a measurable difference.
The sealant has come off. Does it need replacing straight away?
It should be replaced, though it is not urgent. An exposed groove is no worse off than a tooth that was never sealed, but it has lost its protection, so book an appointment within the next few weeks rather than waiting for the next routine visit. Partial loss matters more than total loss: a fragment left in place can trap plaque underneath. We check the surface, clean it and reseal, which takes only a few minutes and again needs no drilling.
Are sealants and fluoride used for adults as well?
Yes, though the indication is narrower. Sealants make sense for adults whose molars still have deep, intact fissures, and especially for newly erupted wisdom teeth or second molars. Fluoride varnish is used far more widely in adults: for exposed root surfaces after gum recession, for sensitive necks, during orthodontic treatment, after whitening and for anyone with reduced saliva flow. We assess your decay risk at the check-up and tell you whether either is worth doing in your case.
We are on holiday in Kusadasi. Can this be done the same day?
Usually yes. Both procedures are short, painless and need no anaesthetic, so we can normally examine your child and treat the same appointment. There is no recovery period afterwards: children can eat and swim as usual, apart from avoiding hard or sticky food for a couple of hours after fluoride varnish. Write or call us in advance with your dates and we will keep a slot free for you.
My child teeth looked yellow after the treatment. Is that normal?
Yes, that is the fluoride varnish itself. It is a resin that deliberately stays on the teeth for several hours and has a yellowish tint, which is why we ask you not to brush until the next morning. It comes off completely with the first brushing and leaves no discolouration behind. A slightly rough or sticky feeling on the same evening is normal too. If a yellow or brown mark is still visible after brushing, let us know so we can look at it.
What happens if decay is left underneath a sealant?
That is why the surface is examined carefully, and where necessary radiographically, before sealing. If a small, superficial lesion is sealed in completely, studies show it usually stops progressing because the bacteria are cut off from sugar. A deeper lesion is a different matter and must be removed first and restored with a filling, since a sealant over it would only hide the problem from view. Where we are unsure, we open the fissure minimally with a fine instrument and check before deciding.
How many teeth should be sealed?
There is no fixed number. The classic candidates are the four permanent first molars, which erupt around the age of six, and later the second molars around twelve, because their chewing surfaces have the deepest grooves and the highest decay rate. Premolars and baby molars are sealed only where the fissures are genuinely deep or the child has a high decay risk. We examine each tooth, sometimes with magnification, and seal what needs it rather than everything at once.
Other Treatments
Dental Implants
Zirconium Crowns
Laminate Veneers
Smile Design (Hollywood Smile)
Teeth Whitening
Implant-Supported Dentures
Composite Fillings
Aesthetic Fillings
Gum Disease Treatment
Root Canal Treatment
Tooth Extraction
Gum Contouring (Pink Aesthetics)
Paediatric Dentistry
Dental Crowns
Dental Bridges
Dentures
Bonding & Gap Closure
All-on-4 and All-on-6
Bone Grafting
Sinus Lifting
Clear Aligners
Braces
Dental Cleaning
Polishing & Airflow
Bad Breath (Halitosis)
TMJ Treatment
Night Guard
Masseter Botox
Wisdom & Impacted Teeth
