A child's dental check-up: first visits, fluoride varnish and fissure sealants

What it is

A children's dental check-up is a short, regular examination of a child's teeth, gums and bite, combined with preventive care and advice for parents or carers. It is as much about building habits and familiarity as about finding problems. Paediatric dentists specialise in treating children, but general dentists see children routinely too.

The World Health Organization's oral health fact sheet (updated 17 March 2025) identifies decay in baby teeth as one of the most common childhood conditions worldwide, and notes that the main risk factor is sugar. Early, regular visits are intended to prevent decay rather than to repair it.

Who it is for and when it is recommended

The NHS children's teeth page (reviewed 30 June 2025) advises taking a child to the dentist when their first milk teeth appear, or before they are 12 months old, so that they become familiar with the setting and the dentist can advise on preventing decay. NICE guideline CG19 on dental recall intervals recommends that children and young people under 18 are reviewed at least every 12 months, with the shortest interval being three months for those at higher risk.

Book an earlier appointment if you notice brown or white spots on the teeth, holes, pain, swelling of the gum or face, a knocked or broken tooth, or if the child is struggling to eat or sleep because of their mouth.

What happens at the appointment

For a baby or toddler, the visit may be little more than a look in the mouth while the child sits on a parent's lap, a count of the teeth and a conversation about feeding, dummies, bottles and brushing. As children grow, the appointment typically includes:

• Checking each tooth for early decay, and the gums for inflammation.
• Looking at how the baby and adult teeth are coming through and how the jaws meet, so that crowding or bite problems can be noted early.
• Fluoride varnish, painted onto the teeth. The NHS advises that from the age of three children should be offered varnish at least twice a year, and younger children may be offered it if the dentist thinks they need it.
• Fissure sealants, a thin protective coating for the grooves of the permanent back teeth, which the NHS says can be applied once those teeth start to come through at about six or seven, and again for the later molars between 11 and 14.
• Brushing demonstration and diet advice, including how often sugary foods and drinks are taken.
• X-rays only when the dentist has a specific reason, such as suspected decay between teeth.

Visits are short, often ten to twenty minutes. If treatment is needed, it is usually arranged for another day so the first visit stays positive.

How to prepare

Talk about the visit in neutral, simple terms and avoid passing on your own anxieties or using the dentist as a threat. Book a time when the child is not tired or hungry. Bring the child's health record or details of any medical conditions, medicines and allergies. Know the brand and fluoride content of the toothpaste you use: the NHS advises a children's toothpaste with no less than 1,000 ppm fluoride for under-threes, 1,000 to 1,500 ppm for ages three to six, and 1,350 to 1,500 ppm from age seven, with brushing twice a day including last thing at night, supervised until at least seven. Children should spit out after brushing and not rinse, so the fluoride keeps working. The dentist will ask about these things, and it helps to have answers.

Afterwards and recovery

There is nothing to recover from after an examination. After fluoride varnish, clinics commonly ask that the child avoids eating or drinking for a short period and sticks to soft foods for the rest of the day so the varnish stays on the teeth for as long as possible; follow the specific instructions given at the clinic. Teeth may look slightly yellow for a day until the varnish wears off. Fissure sealants need no recovery. Praise the child for the visit regardless of how it went, and book the next appointment before you leave.

Risks and limitations (sourced)

Examinations and preventive treatments carry very little risk. Fluoride varnish is applied in small amounts by a trained clinician; the main precaution is to tell the dentist about any allergies and health conditions beforehand. Sealants can chip or wear and need checking at each visit. The limitation of a check-up is that it cannot undo what happens at home: the NHS tooth decay page (reviewed 13 August 2025) notes that decay is often caused by too much sugary food and drink and by not cleaning teeth regularly. The gov.uk toolkit Delivering better oral health (fourth edition) sets out the evidence for fluoride toothpaste, varnish, sealants and sugar reduction as the measures that make the difference between visits.

What affects the cost

Fees vary by country, city and clinic. Some national health schemes provide free dental care for children; where they do not, factors include:

• Whether the examination, varnish and sealants are priced together or separately.
• The number of sealed teeth.
• Whether X-rays are taken.
• Whether a general dentist or a specialist paediatric dentist provides care.
• Any treatment needed, such as fillings, and whether sedation is required.
• Coverage by a national scheme or insurance.

Ask what the first visit will cost and what each preventive treatment adds. HealthNaro does not publish prices unless they come from a named, dated source.

Questions to ask the provider

1. How often should my child be seen, and why that interval?
2. Does my child need fluoride varnish or sealants now?
3. Is the toothpaste we use right for their age?
4. Are there any signs of early decay, and what can we change at home?
5. How are the adult teeth coming through, and should we watch for crowding?
6. How do you approach treatment if a child is frightened?
7. What is included in the fee for today, and for the next visit?

How to find and check a provider

HealthNaro lists dental clinics and dentists with a verification label on every listing. Public listing means the details came from public sources and have not yet been checked. Contact verified means the provider has confirmed their phone number and email address. Reviewed by HealthNaro means our team has looked over the listing's details. Credentials verified means we have seen a licence or registration document. A label describes what has been checked; it is not a recommendation or a ranking, and HealthNaro does not endorse any provider.

Check the dentist's registration with your national dental regulator, and ask whether they see children regularly or hold a specialist qualification in paediatric dentistry. You can browse providers under Paediatric Dentistry. If you would like help finding a suitable clinic, our consulting service is free: send a request through the inquiry form and we will come back to you with options. You choose whom to contact.

This guide is general information, not dental advice. Speak to a registered dentist about your child's own situation.