Key guidance to read first

Inlay · Onlay, at a glance

What is this treatment?
Treatment that places a prosthesis made from an impression or scan to fit the damaged area. Assess how much of the remaining tooth to cover for protection when filling directly with resin is difficult.
What concerns are addressed?
I was told the decay is large; I want to replace an old amalgam
What precautions are there?
After treatment there can be sensitivity, pain, bleeding, gum changes, or need for retreatment. Risks and recovery for each treatment method are individually explained during the consultation.

Related medical staff: Lee Sang-hoon · Director · Prosthodontics · Integrated Dentistry specialist

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BEFORE YOUR VISIT

Preparing for your consultation

A few things to consider before booking.

Tell us during your consultation

  • The affected area, symptoms and when the discomfort began
  • Previous treatment and your main questions now
  • Dates you are available to visit

Helpful items to prepare

  • A list of your medications
  • Previous treatment records or images, if available

Questions to ask

  • Which assessments and treatment choices are relevant to my condition?
  • How can I learn about precautions, costs and appointment schedules for each option?
Contact the clinic

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The Good Morning Dental Clinic 02-969-3776

Read the related guidance
01 / YOUR CONCERNS

Do you have these concerns?

I was told the decay is large
I want to replace an old amalgam
The chewing surface frequently fractures
I was told resin is difficult
02 / UNDERSTAND YOUR CARE

What are inlay and onlay?

Treatment that places a prosthesis made from an impression or scan to fit the damaged area. Assess how much of the remaining tooth to cover for protection when filling directly with resin is difficult.

Difference between inlay and onlay

Inlay mainly fills internal chewing-surface defects; onlay covers cusps including convex cusps. If walls are weak or fracture risk exists, we check whether cusp coverage is needed.

Choose material and coverage together

Materials like gold or ceramic are chosen based on tooth position, remaining structure, chewing force, bonding conditions, and esthetic demands. If remaining walls are insufficient or cracked, consider crown or other protection.

Limits and precautions to know

After treatment there can be sensitivity, pain, bleeding, gum changes, or need for retreatment. Risks and recovery for each treatment method are individually explained during the consultation.

03 / THE GOOD MORNING WAY

How The Good Morning provides care

  1. We check tooth shape with an intraoral scanner.
  2. We connect fabrication with the in-house lab.
  3. We aim for minimal reduction design considering remaining tooth.
04 / STEP BY STEP

From diagnosis to aftercare: the treatment course.

  1. 01Decay removal and assessment of remaining structure
  2. 02Scan and decide material and restoration coverage
  3. 03In-house lab fabrication
  4. 04Placement and occlusion adjustment

Actual sequence and number of visits are adjusted according to test results and recovery.

Consultation tailored to your condition
05 / YOUR QUESTIONS · 4 QUESTIONS

Questions you might have before care.

01What's the difference between inlay and onlay?
Coverage differs. Inlay fills within cusps; onlay covers cusps up to the chewing points. Decide by remaining tooth walls and fracture risk.
02What materials for inlay?
Choose gold, ceramic etc. considering position, restoration range, thickness and bonding conditions. Each material has pros and cons in esthetics, strength and cost.
03How decide between inlay and crown?
Based on remaining structure, cracks and chewing forces. Determine if inlay/onlay can preserve tooth or crown needed. Not decided solely by root canal presence.
04How long do inlays last?
Lifespan depends on material, remaining tooth and gums, chewing forces and hygiene. Monitor margin decay, debonding and fracture regularly.

Explore this treatment further

Treatment questions: 4Director’s explanatory videos

Also see related treatments

Caries treatment +Resin treatment +Crown +Dental terms glossary +
Treatment case publication guidance

This information is for general understanding and does not replace clinician diagnosis. Treatment methods, durations, effects, and side effects vary by individual and require sufficient consultation before care.