Children's Dental Sedation Guide: What to Consider From Inhalation Sedation to General Anesthesia

Children's dental sedation uses medication to lower tension when a child is too fearful, or has too many cavities, to be treated awake. The options are inhalation sedation breathed in through the nose, oral sedatives, injectable sedation and general anesthesia, and each has different fasting times and recovery monitoring criteria. Sedation is a means of helping treatment, so it is important to decide after hearing a full explanation of why it is needed and whether there are other options.

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

Key facts

Outpatient copayment, ages 1 to under 6	Copayment for insured outpatient care reduced to 70% of the standard patient rate (source: Health Insurance Review and Assessment Service (HIRA, 건강보험심사평가원))
Inpatient copayment, age 15 and under	5% of the total insured medical cost (waived for infants under 2) (source: Health Insurance Review and Assessment Service (HIRA))
Copayment on the dental surcharge for persons with disabilities	0% of that surcharge (source: Health Insurance Review and Assessment Service (HIRA))
Age for insured resin fillings	Permanent teeth at ages 5-12 (13 and under from January 2027) (source: HIRA and Ministry of Health and Welfare)

For which children is sedation considered?

In children's care, behavior guidance, which means explaining in words and showing the instruments, is tried first, but sedation is considered alongside it for children too young to cooperate, children with severe fear, and children with several teeth to treat. This is because using sharp dental instruments on a child who moves a lot can actually risk injury.

When cooperation is hard because of a condition such as a developmental disability, options including general anesthesia are discussed. If the dental surcharge for persons with disabilities applies to care for a child with a disability, the copayment on that surcharge is 0%.

What sedation methods exist for children's dental care?

Methods are divided by depth of sedation and route of administration. The lighter the sedation, the more the child stays able to understand speech and breathe on their own, and the deeper it goes, the more closely breathing and oxygen saturation must be monitored.

Inhalation sedation: nitrous oxide and oxygen breathed in through a nasal mask to lower tension
Oral sedatives: medication given before treatment, with care provided while the child is drowsy
Injectable sedation: medication given into a vein, allowing the depth of sedation to be adjusted
General anesthesia: treatment done in one session while unconscious, by anesthesia specialists

What should caregivers prepare before sedation?

The most important thing before sedation is following the fasting times the dentist gives you. The rule exists to keep vomit from entering the airway during sedation, so note the fasting instructions, which differ by method, and check what is allowed, even water or candy.

If the child has a runny nose, cough or fever, it can affect breathing during sedation, so tell the dental clinic the day before and discuss changing the date. Write down in advance the medicines the child takes, allergies, any previous anesthesia experience, and whether the child snores, and when going home it is best to have a caregiver who can look after only the child.

Note when fasting starts for the method and whether water is allowed
Record current medicines, allergies and previous anesthesia experience
Comfortable clothes, a change of clothes, and the child's favorite doll or blanket
A caregiver to look after the child on the way home, besides the driver

What should you watch after sedation?

Even after treatment ends, the medication's effect remains, so the child may stagger or sleep longer than usual. Go home after confirming that the dental clinic's sedation recovery criteria are met, and avoid activities that need balance, such as playground equipment or cycling, that day.

Anesthesia dulls feeling in the lips and cheeks, making it easy to bite them and cause sores, so watch the child until feeling returns. If on the day of sedation the child's breathing sounds rough, the child does not respond well when woken, or vomiting repeats, contact the dental clinic or an emergency room right away.

How do you check the cost and insurance for sedation?

Costs vary greatly with the sedation method, the drugs used, the length of care and the number of teeth treated, and insured and non-covered items are billed together. Getting an estimate in advance that separates sedation costs from treatment costs makes comparison with other clinics easier. Rather than choosing on sedation cost alone, it is safer to also ask about monitoring equipment and emergency response arrangements.

For insured items, outpatient copayment is about 70% of the standard patient rate for ages 1 to under 6, and when a child aged 15 or under is hospitalized for treatment, the insured copayment is 5% of the total insured medical cost. If the cavity treated under sedation is in a permanent tooth, also check whether it falls in the insured resin age range of 5-12.

Common myths and facts

Myth: With sedation, the child feels nothing at all.

Inhalation sedation and oral sedatives usually aim for light sedation in which consciousness remains, and local anesthesia for pain control is done separately. Removing consciousness is general anesthesia.

Myth: Fasting before sedation can be followed loosely.

Fasting is a safety rule to keep vomit from entering the airway during sedation. If it was not followed, do not hide it; tell the dental clinic.

Frequently asked questions

From what age can sedation be used?

It is not set by age alone; the child's weight, general condition, scope of treatment and sedation method are considered together. The younger the child, the more you should check that safety equipment and monitoring staff are in place.

Is fasting needed for inhalation sedation too?

The fasting rule for inhalation sedation is sometimes looser than for other methods, but guidance differs by clinic. When booking, check that clinic's fasting rule directly.

Where is general anesthesia dental treatment done?

It is mostly done at dental hospitals or hospitals with anesthesia specialists and recovery facilities. How the copayment is calculated also changes depending on whether admission is needed or same-day discharge is possible.

Is it all right to have sedation often?

Sedation is a means of completing needed treatment safely, so a plan that reduces the number of repeats is important. Discuss organizing the scope of treatment in one session and then thoroughly keeping up cavity prevention such as sealants, fluoride application and regular checkups.

Can a caregiver stay beside the child during sedation?

For light sedation such as inhalation sedation, some clinics let the caregiver stay beside the child, while for general anesthesia caregivers wait outside according to operating room rules. Policies differ by clinic, so ask in advance.

References

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