Understand partial coverage

Inlays and onlays are restorations made outside the mouth and fitted to a prepared tooth. They replace missing tooth tissue without necessarily covering the whole tooth. An onlay extends over weakened biting areas or cusps to provide coverage where needed. Terminology can overlap in clinical discussions, so ask the dentist to show the actual shape of the proposed restoration.

The NHSBSA technical explanation describes these restorations and the need to consider direct alternatives. Its NHS charging rules are not relevant to a Thailand quotation. The useful question is why a separately made partial restoration is appropriate for your tooth, rather than whether the treatment name sounds more advanced than a filling.

Find out which parts of the tooth need protection

Ask the dentist to explain the damage, the condition of existing filling material and the strength of the remaining tooth. The planned coverage should relate to those findings. You may be able to understand the decision more easily from a drawing or clinical image that shows what will be removed and what will remain.

Ask whether the proposed plan could change after an old restoration or decay is removed. If the underlying tooth has more damage than expected, the dentist may need to reconsider the restoration. Discuss how that decision would be explained and consent obtained. A preliminary enquiry should not lock you into an onlay before the examining clinician has established whether it is a reasonable treatment option.

Compare a filling, partial restoration and crown

A direct filling is shaped in the tooth, while an indirect restoration is made separately. A crown covers more of the tooth than a partial restoration. These are different approaches to repairing damage, and the amount of remaining structure is part of the choice. Ask what benefit the proposed coverage offers and what preparation it requires.

The most conservative option is not simply whichever has the smallest name or lowest price. It must also be suitable for the tooth’s condition and function. Ask the dentist to explain the limitations of each reasonable alternative and what might happen if no treatment is carried out. Our guides to fillings and crowns can help you compare the discussions without choosing a procedure for yourself.

Discuss material and manufacturing separately

Partial restorations can be made from different materials, including ceramics, composite materials and metal alloys. Ask which is proposed, why it is suitable and whether your appearance preferences or bite affect the recommendation. A tooth-coloured restoration is an appearance choice as well as a clinical material decision; neither the colour nor a brand name determines suitability alone.

Also ask where and how the restoration will be made. Laboratory fabrication and chairside production can have different scheduling arrangements, but a production method does not remove the need for clinical assessment and fit checks. If a provider advertises completion in one visit, ask what conditions must be met and what happens if additional treatment or adjustment is needed.

Understand temporary protection and fitting checks

The process can include preparation, recording the tooth shape, fabrication and fitting. If there is a gap between appointments, ask whether a temporary restoration is needed and how to protect it. Confirm what you should do if the temporary material is damaged, the tooth becomes painful or the bite feels uncomfortable while you are away from the practice.

At fitting, ask how the dentist checks the contact with neighbouring teeth, the margins and the bite. Describe concerns about pressure or food trapping clearly. If the restoration requires modification, ask whether it can be addressed at that appointment or needs further work. Plan travel around the whole sequence rather than the estimated fabrication time alone. Clinical completion is more than collecting a finished dental appliance.

Discuss risks and the future of the tooth

Ask about the risks of preparation and the possible need for additional care if the tooth’s condition changes. Also discuss how the restoration might fail, whether repair can be considered and what would happen if replacement were required. Avoid relying on a promised lifespan as the main reason to choose a particular material.

A partial restoration does not make the tooth immune to decay, gum problems or damage. Ask how to clean its edges and the spaces beside it, and mention grinding or clenching. If symptoms persist or the restoration feels loose, obtain dental advice. Keep the treatment summary and material information so a dentist at home can assess the actual restoration rather than having to infer it from an unfamiliar treatment label.

Prepare a complete proposal for travel

When comparing costs, ask whether the proposal includes examination, any imaging, removal of old material, the temporary restoration, fabrication, fitting and review. Clarify what happens if the dentist recommends a different restoration after further assessment. A low headline fee does not explain whether all of those stages are covered.

Doctor Bangkok handles information and referral enquiries and does not directly provide inlays or onlays. A receiving dentist must confirm the diagnosis and proposed repair. For your first message, explain whether you have a broken filling, a damaged tooth or an existing recommendation. Use the quotation guide to compare the complete scope, and arrange a clear route for follow-up before you commit to travel-dependent treatment.

Questions you may have

Is an onlay always better than a crown?

No. The appropriate coverage depends on the tooth’s condition, the remaining structure and the intended function. Ask what each option would preserve and what limitations it would have. A partial restoration can be worth discussing, but it should not be selected solely because it sounds less extensive.

Can an inlay or onlay be made in one appointment?

Some workflows may permit that, while others involve laboratory work and separate fitting. Confirm the actual arrangements with the dental provider. Even where chairside production is available, further assessment or adjustment can change the sequence. Avoid basing fixed travel plans on a general claim about the manufacturing technology.

What should I do if a temporary restoration comes out?

Contact the treating dentist for advice and assessment rather than attempting a household repair. Explain which tooth was prepared and when the temporary material was placed. Ask in advance how the practice handles this situation during your stay and what arrangements apply if you have already returned home.

Sources and further reading

Information updated: 18 September 2026. This page provides general education for planning a dental visit to Thailand. It does not diagnose a condition or replace advice from a qualified dentist. Confirm treatment suitability, costs, timing and aftercare directly with the treating dental clinic.