Complete vs partial dentures: how they differ and how to care for them
Dentures replace missing teeth. This guide covers complete and partial dentures, Korean insurance and adjustment costs, cleaning, and care of remaining teeth.

- Complete dentures replace all teeth in an arch; partial dentures use remaining teeth for support.
- From age 65, eligible dentures are covered once every seven years for each arch. The standard national health insurance copayment is 30%.
- For an insured denture, adjustments within three months of fitting are covered for up to six visits, with only the examination fee charged.
- Rinse dentures after meals and clean them daily with a denture cleanser. Remove them for storage before sleeping.
What's the difference between a complete and a partial denture?
A complete denture replaces all teeth in the upper or lower arch. A partial denture fills gaps and can attach to remaining teeth with clasps.
The insured partial-denture type has a metal framework retained by clasps. Attachment-retained dentures and dentures containing precious metals are excluded from this benefit.
How does health insurance apply to dentures?
The NHIS denture benefit is for members and dependents aged 65 or over. It covers complete dentures made with the specified resin or metal materials and clasp-retained metal partial dentures.
The standard copayment is 30% of covered costs. Eligible reduced-copayment members pay 5% or 15%; Medical Aid recipients pay 5% for type 1 and 15% for type 2.
Coverage for a replacement denture normally renews seven years after final fitting, separately for each arch. One additional replacement within that period is allowed for a medically documented major oral change or qualifying loss or damage from a disaster such as fire or flooding.
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What should you watch for during the denture adjustment period?
Chewing and speaking may feel unfamiliar at first. Start with softer foods and practise putting the dentures in and taking them out; getting used to them can take a few weeks.
If the dentures are loose or your gums keep hurting, return to the fitting clinic for an adjustment. Initial adjustments for an insured denture involve only the examination fee for up to six visits within three months. Later repairs and adjustments follow the maintenance benefit’s item and visit limits.
How should a denture be cleaned and stored?
Rinse away food after meals and use a denture cleanser once a day. Follow the product’s instructions and soaking time, then rinse thoroughly with clean water.
Toothpaste abrasives can scratch denture surfaces. For denture cleaning, follow the Korean MFDS advice to avoid toothpaste and dish detergent. Avoid hot water and salt water too, as they can cause discoloration or distortion.
Denture cleanser is for the denture itself. Do not put it in your mouth while wearing dentures or use it as a mouthwash.
Before sleeping, remove the dentures, brush them, and store them in cool water. Replace the storage water every day.
How should remaining teeth be cared for when wearing a partial denture?
The teeth carrying the clasps help support a partial denture. After removing it, clean away food from those teeth and the surrounding gumline.
Brush natural teeth with fluoride toothpaste morning and evening, and clean the gums and tongue too. If a tooth becomes mobile or a clasp feels loose, have both the teeth and the denture checked.
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What should you prepare for a denture appointment?
Bring any existing denture and explain where the discomfort is and when it started.
| Situation | Tell your dentist | Ask about |
|---|---|---|
| First denture | Remaining teeth and difficulty chewing | Type, material and retention method |
| Replacement | Last fitting date and subsequent oral changes | When coverage renews and any exceptions |
| Pressure or looseness | Where it hurts and when it becomes uncomfortable | Adjustment or repair and its cost |
| Loose clasp or tooth | Pain when chewing or bleeding gums | Condition of the supporting teeth and clasps |
| Cleaning questions | Cleanser used and soaking time | Suitable products and instructions for the material |
What to verify
Questions for your dentist
- Are the teeth that would support my partial denture healthy?
- What will I pay after insurance, and which costs are separate?
- Can you check my previous denture coverage and eligibility for this replacement?
- When should I return for a sore-spot adjustment, and what is the examination fee?
- Which cleanser and soaking time are suitable for my denture?
- When should my remaining teeth and denture be checked again?
If dentures press or feel loose, return to the fitting clinic for an adjustment. Clean them daily, remove them before sleep, and care for the teeth supporting a partial denture.
FAQ
FAQ
What determines whether I need complete or partial dentures?
The choice depends on the teeth remaining in each arch and whether they can provide support. A dentist examines the teeth and gums before choosing the type and retention method.
At what age can dentures be covered by Korean national health insurance?
Members and dependents aged 65 or over are eligible. The denture’s material and retention method must also meet the benefit criteria.
How long does it take to get used to dentures?
Getting used to dentures can take a few weeks. Start with softer foods while chewing and speaking feel unfamiliar, but seek an adjustment if your gums keep hurting.
What happens if all remaining teeth are lost while wearing a partial denture?
When a complete denture becomes necessary, new coverage is available without waiting for the partial denture’s seven-year cycle. If an insured complete denture is later changed to a partial denture after implant placement, seven years must pass from the previous complete-denture benefit.
Can I clean dentures with toothpaste?
Use a denture cleanser instead of toothpaste on the denture. Continue using fluoride toothpaste for natural teeth, while cleaning the denture separately to avoid abrasive damage.
Can I disinfect dentures with hot water?
Do not soak dentures in hot water. It can distort or discolor them; use a denture cleanser according to its instructions instead.
How should I clean teeth supporting a partial denture’s clasps?
Remove the denture and carefully brush the clasp-bearing teeth and gumline. At checkups, have both the remaining teeth and the clasp fit assessed.
Are adjustments covered when dentures are loose or painful?
At the clinic that made an insured denture, initial adjustments within the designated compensation period require only the examination fee. Later repair and adjustment costs depend on the benefit criteria for each maintenance procedure.