250 Cavity Treatment Clinics in Gangseo: A Public-Data Comparison for International Patients

We do not recommend or endorse any clinic. No rankings, ratings or reviews — only verifiable public information.

Key facts

250 clinics in Gangseo are registered with HIRA with dental in their name or listed specialties.
Among 249 clinics that disclose staffing, the average is 1.3 doctors and 39 have two or more.
By nearest station, clinics cluster around 화곡역 (30) · 우장산역 (29) · 가양역 (27).
This page does not rank or recommend clinics. Use the checklist below to compare them yourself.

Cavity treatment (충치 치료) refers to procedures that remove decayed tooth structure and restore the tooth to its normal function and shape. Depending on the severity of decay, treatment options can range from simple fillings to inlays, onlays, or in more advanced cases, root canal therapy followed by a crown. Many people seek this treatment when they notice tooth sensitivity, visible discoloration, or discomfort while chewing.

Because the extent of decay can only be accurately assessed through clinical examination and X-rays, the specific procedure recommended will differ from person to person. Choosing a dental clinic (치과의원) involves more than reading general descriptions — it means verifying who actually performs the procedure, what materials are used, and how the clinic handles complications or retreatment.

The comparison table on this page lists publicly available information for each clinic in a structured format. It is not a ranking, and the order does not reflect quality or recommendation — use it as a starting point to organize your own questions before your consultation.

How this was compiled

We took every clinic in HIRA open data whose address or nearest-station tag falls in Gangseo and whose name or listed specialties include dental (250 clinics).
Columns are: number of doctors, area and nearest station, website, phone, and published hours — all public data. We do not use reviews or ratings.
"Clinics covered" are those with the most public information available (ties broken by most recently verified); this is not a ranking. The full list is in Korean alphabetical order.

At a glance

Clinic	Doctors	Nearest station	Area	Website	Phone
로고스치과병원	4	마곡역	강서구	Open	02-2699-9908
우리바른치과의원	2	등촌역	강서구	Open	02-6739-2875
마곡베스트치과의원	1	마곡나루(서울식물원)역	강서구	Open	02-2093-6545
강서바른이치과교정과치과의원	1	마곡역	강서구	Open	02-3661-2211
루덴치과의원	1	마곡역	강서구	Open	02-2668-4477
바른치과의원	1	가양역	강서구	Open	02-3665-2275

"Clinics covered" are those with the most public information available (ties broken by most recently verified); this is not a ranking. The full list is in Korean alphabetical order.

Cavity Treatment clinic checklist

1Confirm who performs the procedure
Ask directly whether the dentist who conducts the initial consultation is the same person who will carry out the treatment. In some clinics, consultations and procedures may be handled by different practitioners, so clarifying this in advance helps you set accurate expectations.
2Request a written cost estimate before agreeing to treatment
Treatment costs for cavities vary widely depending on the location and depth of decay, the restorative material chosen (composite resin, ceramic, gold, etc.), and whether additional procedures such as root canal therapy are needed. Ask for an itemized written estimate before any work begins, and do not rely on verbal quotes alone.
3Ask about the restorative material and its properties
Different filling and restoration materials have different durability, appearance, and compatibility considerations — for example, composite resin, ceramic inlays, or amalgam each have distinct characteristics. Ask the dentist to explain which material is being recommended for your specific situation and why, so you can make an informed decision.
4Clarify the clinic's retreatment and complication policy
Restorations can sometimes fail, dislodge, or require adjustment after placement. Before proceeding, ask the clinic to provide written information about how they handle retreatment, secondary sensitivity, or complications — including whether any follow-up visits are included in the original treatment scope.
5Verify anesthesia practice and emergency readiness
Local anesthesia is commonly used during cavity treatment, and patients with certain medical conditions or allergies should disclose this information beforehand. Confirm that the clinic has protocols in place for managing adverse reactions and that relevant emergency equipment is available on-site.

Warning signs

1The person consulting you is not a dentist
In some clinics, initial consultations or treatment recommendations may be presented by non-clinical staff rather than a licensed dentist. Diagnosis and treatment planning for cavities must be performed by a qualified dentist — confirm the credentials of the person advising you before proceeding.
2Pressure to pay in full or accept a package on the same day
Being urged to commit to payment or sign up for a bundled treatment package immediately after a first consultation is a pattern worth pausing on. Legitimate treatment planning allows time for you to review the written estimate, consider your options, and ask follow-up questions before making a financial commitment.
3Refusal to provide a written estimate or consent form
A clinic that declines to put cost and treatment scope in writing before starting work makes it difficult for you to understand what you are agreeing to. Written informed consent and an itemized estimate are standard expectations — their absence is a practical concern worth noting.
4Vague explanation of post-treatment sensitivity or restoration lifespan
Tooth sensitivity after a filling or restoration is a known possibility, and its duration can vary depending on the depth of decay and the individual. If a clinic cannot explain what to expect after treatment or how long the restoration is generally expected to last under normal conditions, that limits your ability to plan and monitor your own dental health.

FAQ

How long does sensitivity usually last after a cavity filling?

Post-treatment sensitivity to temperature or pressure is common and varies depending on how deep the decay was and which material was used. For many people it subsides within a few days to a few weeks, but individual responses differ. If sensitivity persists or worsens beyond what your dentist described as typical, contact the clinic for a follow-up evaluation.

Can multiple cavities be treated in one visit?

Whether multiple cavities can be addressed in a single appointment depends on factors such as their locations in the mouth, the complexity of each restoration, and the patient's tolerance — this varies by individual and is ultimately a clinical judgment. Discuss the proposed treatment sequence with your dentist and ask for the reasoning behind the recommended schedule.

How do I confirm that my dentist holds a recognized specialist qualification?

In South Korea, dental specialists (전문의) hold qualifications in recognized fields such as conservative dentistry or prosthodontics, which are verifiable through official registries. You can ask the clinic directly to show the dentist's license and any specialist certificates, and cross-reference this with publicly available government databases if needed.

What should I do if a filling falls out or feels wrong after treatment?

If a restoration dislodges, feels uneven, or causes unexpected discomfort, contact your clinic promptly rather than waiting for your next scheduled visit. Before starting treatment, it is worth asking the clinic in writing how they handle such situations and whether a follow-up adjustment is covered within the original treatment.

How can I get a realistic sense of the total cost before committing?

Because cavity treatment costs depend on the number of teeth involved, the depth of decay, and the material selected, a meaningful estimate requires a clinical examination including X-rays. Ask for a written, itemized estimate that covers all foreseeable steps — including any potential additional procedures — before giving consent to proceed.

250 clinics in Gangseo are registered with HIRA with dental in their name or listed specialties?

250 clinics in Gangseo are registered with HIRA with dental in their name or listed specialties. Among 249 clinics that disclose staffing, the average is 1.3 doctors and 39 have two or more.

Closing note

Use the checklist above as a practical framework when you contact or visit each clinic listed in the comparison table — written estimates, clear practitioner identification, and stated policies on complications are all items you can ask about directly. The table reflects publicly available information and is not a substitute for an in-person clinical evaluation. Decisions about cavity treatment should ultimately be made in consultation with a qualified dentist who has examined your specific condition.

This guide is for information only and is not medical advice. Decide on any procedure only after consulting a doctor. Results vary between individuals.