When to Take Your Child to the Dentist and How to Prepare: From the First Tooth to the First Oral Checkup

A child's first dental visit can be timed to the first national oral checkup at 18-29 months, or earlier if something looks wrong with the baby teeth. The Korea Disease Control and Prevention Agency (KDCA, 질병관리청) advises starting oral care at 6-12 months, when baby teeth begin to appear. The purpose of the first visit is less treatment than checking cavity risk, educating caregivers, and helping the child get used to the dental setting.

Published 2026-11-08 · Updated 2026-11-08 · DentalStatics editorial team

Key facts

When to start oral care	Between 6 and 12 months, when baby teeth begin to appear (source: Korea Disease Control and Prevention Agency (KDCA))
First baby tooth	The lower central incisor, around 6 months (source: Korea Disease Control and Prevention Agency (KDCA))
First national oral checkup	18-29 months (oral checkup round 1) (source: National Health Insurance Service (NHIS, 국민건강보험공단))
Oral checkup cost	No out-of-pocket cost (source: National Health Insurance Service (NHIS))
Copayment at clinic-level outpatient care, under age 1	5% of the total insured medical cost (source: Health Insurance Review and Assessment Service (HIRA, 건강보험심사평가원))
Outpatient copayment, ages 1 to under 6	Copayment rate for insured items reduced to 70% of the standard patient rate (source: Health Insurance Review and Assessment Service (HIRA))

At what age is a child's first dental visit?

In Korea, the first round of the national infant oral checkup is at 18-29 months, so many caregivers treat this period as the first dental visit. If taken within the checkup period, there is no separate charge.

The first baby tooth comes in around 6 months, starting with the lower central incisor, so if you are worried about brushing technique or bottle habits after teeth appear, you can get advice at a regular visit before the oral checkup. For children aged 1 to under 6, the outpatient copayment on insured care is about 70% of the standard patient rate.

When deciding on the first visit, look at the situation in the mouth before the child's age. For a child who keeps night feeding or often drinks sweet drinks, or a family where siblings had many cavities, it is worth consulting earlier than the first oral checkup round.

What does the dentist look at on the first visit?

At the first visit, the dentist visually checks the number and position of baby teeth, early signs of cavities and the state of the gums, and asks about the caregiver's care habits. The infant oral checkup also covers oral hygiene care, eating habits, fluoride use, and dental history and symptoms through a questionnaire.

The first visit is also a chance for the child to get used to the sounds, smells and chair of the dental office. A hard procedure right at the start can make the child afraid of the next visit, so if there is no urgent problem, it is better to keep it short, focused on the checkup and education.

White opaque spots on the backs of the front teeth and the grooves of molars
Places where food debris and plaque remain
Feeding and bottle habits and how often snacks are eaten
The amount of toothpaste and who finishes the brushing

What should you prepare at home before the first visit?

Booking a time when the child has slept well and is not too hungry makes sitting in the dental chair easier. Reading a picture book about the dentist at home or practicing opening the mouth in front of a mirror makes unfamiliar instruments less startling.

Writing down in advance the number of feedings, whether there is night feeding, and the name and amount of toothpaste being used makes the consultation more specific. For the infant oral checkup, it is best to fill out the questionnaire beforehand.

How does the oral checkup differ from a regular first visit?

The infant oral checkup is a national checkup within set month ranges that includes a questionnaire, examination and oral health education, with no out-of-pocket cost. If cavities are found at the checkup, treatment is a separate visit and incurs a fee.

A child's regular first visit can happen at any time, and tests such as X-rays are added if needed. When a baby under 1 receives outpatient care at a clinic-level dental office, the copayment for insured items is 5% of the total insured medical cost.

The provider tells the caregiver the oral checkup results directly after the checkup. If the result says cavity risk is high, do not wait for the next checkup round; set up preventive treatment and a return date right away.

What signs mean you should not wait for the checkup period?

The KDCA advises checking your child's teeth at home for areas that are cloudier and more opaque than other teeth, areas that have turned brown or black, and plaque left like a white film. If you see any of these, get care without waiting for the next checkup round.

A baby tooth that is loose or has changed color after a fall or bump
Swollen gums or something like pus
Avoiding one side when chewing or often being fussy

Common myths and facts

Myth: There is no need to go to the dentist until all the baby teeth are in.

The KDCA advises starting oral care at 6-12 months, when baby teeth begin to appear. If something looks wrong, you can get care even before all the baby teeth are in.

Myth: A first dental visit always comes with treatment.

A child's first dental visit mostly focuses on checking the state of the mouth and care education. A treatment plan is made separately only when a cavity needing treatment is seen.

Frequently asked questions

If my child cries at the first visit, can the dentist still examine?

Crying is common in young children, and checkups are sometimes done briefly with the child seated on the caregiver's lap. If crying makes it hard to see inside the mouth, the dentist may reschedule another day. When the caregiver is tense the child tends to be tense too, so explain briefly in a calm voice.

Can the first oral checkup only be taken at a pediatric dental clinic?

It can be taken at any dental clinic registered as an infant oral checkup provider. Find a provider on the NHIS website and check whether you can book.

Are X-rays taken at the first visit?

The infant oral checkup centers on the questionnaire, examination and education. At a regular visit, X-rays may be recommended as needed when a cavity is suspected or to check an injured tooth.

Can I bring siblings along?

Seeing an older brother or sister have dental care sometimes makes the younger child less nervous. However, waiting may get longer, so when booking ask whether the two children can be seen together.

Can my child use fluoride toothpaste before the first visit?

The KDCA's infant checkup guidance advises using fluoride toothpaste at 9-12 months after consulting a dentist. At the first visit, have the amount of toothpaste and toothbrush size suited to your child's age confirmed, and check together that only a rice-grain-sized amount is used before age 3.

References

Korean version →