Last Updated: April 2026 | Reviewed by: Korea Medical Tourism Editorial Team
Patients visiting Korean clinics consistently report that gummy smile correction in Seoul is one of the most in-demand aesthetic dental and surgical procedures among international visitors, with Gangnam and Apgujeong clinics seeing a notable surge in bookings from Southeast Asia, North America, and the Middle East. In fact, according to data from the Korea Health Industry Development Institute, medical tourism for dental and oral aesthetic procedures in Korea grew by over 18% between 2022 and 2024, with smile-related treatments accounting for a significant share of that increase.
A gummy smile — clinically referred to as excessive gingival display — occurs when more than 3 to 4 millimeters of gum tissue is visible above the upper teeth during a full smile. While many people consider it a minor cosmetic concern, it can significantly affect self-confidence and how a smile is perceived socially and professionally. Seoul has emerged as a global destination for this correction due to its combination of highly trained oral and maxillofacial surgeons, competitive pricing, and advanced minimally invasive techniques that are not yet widely available in many Western countries.
Clinical Perspective: A board-certified oral and maxillofacial surgeon practicing in Gangnam notes: “Many international patients come to us after being told that gummy smile correction requires extensive jaw surgery abroad. In Seoul, we assess each patient individually — for some, a simple lip repositioning or Botox injection resolves the issue entirely, while others benefit from crown lengthening or orthognathic surgery. The key is accurate diagnosis of the underlying cause before recommending any treatment pathway.”
Understanding the Causes of Gummy Smile
Before pursuing gummy smile correction in Seoul, it is essential to understand that this condition has multiple causes, and treatment effectiveness depends entirely on identifying the correct underlying issue. Seoul’s top clinics differentiate between four primary causes: excessive gum tissue overgrowth (gingival hypertrophy), a hyperactive upper lip that rises too high when smiling, vertical maxillary excess (where the upper jaw bone is overdeveloped), and short clinical crowns where teeth appear small due to excess gum coverage.
Skeletal vs. Soft Tissue Causes
Skeletal causes — specifically vertical maxillary excess — require orthognathic (jaw repositioning) surgery and represent the most complex treatment pathway. Soft tissue causes, including hyperactive lip levator muscles and excess gum tissue, can often be addressed through far less invasive methods. During consultations at clinics across Gangnam, patients are typically assessed using digital smile analysis, lateral cephalometric X-rays, and intraoral photography to determine the precise cause before any treatment plan is finalized.
Why Correct Diagnosis Matters
Choosing the wrong treatment approach not only wastes money but can result in poor aesthetic outcomes or recurrence. The American Dental Association has published clinical guidelines emphasizing that gummy smile correction should always begin with a comprehensive dental and facial evaluation. Seoul clinics closely follow international standards in this regard, and many offer complimentary diagnostic consultations for international patients who book in advance.
Gummy Smile Correction Procedures Available in Seoul
Seoul clinics offer the full spectrum of gummy smile correction procedures, from quick non-surgical injections to comprehensive surgical interventions. Understanding each option helps international patients set realistic expectations before traveling.
Botulinum Toxin (Botox) Injection
For patients whose gummy smile is caused by a hyperactive upper lip, Botox injections into the lip elevator muscles are the simplest and most affordable solution. The procedure takes approximately 10 to 15 minutes with no downtime and results last 3 to 6 months. Pricing in Seoul typically ranges from ₩150,000 to ₩300,000 per session (approximately USD $110 to $220). This option is ideal for first-time patients who want to preview the aesthetic result before committing to a permanent procedure.
Lip Repositioning Surgery
Lip repositioning is a minimally invasive surgical option that limits the upward movement of the upper lip by surgically repositioning the mucosal attachment. Performed under local anesthesia in approximately 45 to 60 minutes, this procedure delivers long-lasting results — often considered permanent — with a recovery period of 7 to 14 days. Cost in Seoul ranges from ₩800,000 to ₩2,000,000 (approximately USD $590 to $1,480). Patients can typically return to normal activities within one week, though strenuous exercise should be avoided for two weeks.
Crown Lengthening (Gingivectomy)
When excess gum tissue covers the teeth, making them appear short and the smile appear gummy, a gingivectomy or crown lengthening procedure surgically removes and reshapes the gum line. This is often combined with laser gum contouring for precision results. In Seoul, laser-assisted crown lengthening costs between ₩500,000 and ₩1,500,000 (approximately USD $370 to $1,110) depending on the number of teeth treated. Recovery involves mild swelling and sensitivity for 5 to 10 days.
Orthognathic Surgery for Severe Cases
Patients with vertical maxillary excess — where the upper jaw is structurally too long — require Le Fort I osteotomy, a form of orthognathic surgery that repositions the entire upper jaw. This is a hospital-based procedure performed under general anesthesia, requiring 1 to 2 nights of hospital stay and 3 to 4 weeks of initial recovery. Full healing takes 3 to 6 months. Pricing in Seoul ranges from ₩6,000,000 to ₩15,000,000 (approximately USD $4,430 to $11,080), significantly lower than equivalent procedures in the United States or Europe. Post-operative orthodontic treatment is typically required and should be factored into the overall treatment plan.
Choosing the Right Clinic in Seoul
The concentration of specialized dental and maxillofacial clinics in Gangnam and Apgujeong makes Seoul uniquely competitive for gummy smile correction. Most leading clinics are clustered within walking distance of Gangnam Station and Apgujeong Rodeo Station, making navigation straightforward for international visitors. When evaluating clinics, international patients should look for board certification in oral and maxillofacial surgery or periodontics, in-house digital imaging technology, English-language coordination services, and transparent pricing structures that include all consultation and follow-up fees.
What to Know Before You Book
Based on our research across multiple Gangnam clinics, here are five practical considerations every international patient should review before confirming a gummy smile correction appointment in Seoul.
1. Request a virtual pre-consultation. Clinics we contacted confirmed that most reputable clinics now offer video consultations 2 to 4 weeks before your arrival. Send your smile photos and any prior dental records so the clinic can prepare a personalized treatment proposal before you land.
2. Plan your trip length based on the procedure. Botox requires only one day. Lip repositioning or crown lengthening requires 5 to 7 days in Seoul for the procedure plus initial follow-up. Orthognathic surgery patients should plan for a minimum 3 to 4 week stay to ensure safe post-operative monitoring before flying.
3. Confirm what is included in the quoted price. Clinics we contacted confirmed that some quoted prices exclude anesthesia fees, post-operative medications, and follow-up appointments. Always ask for a fully itemized treatment quote before agreeing to any procedure.
4. Check for multilingual staff. Based on our research across multiple Gangnam clinics, the majority of internationally oriented clinics employ at least one English-speaking coordinator. However, translation quality varies — ask for a direct conversation with your coordinator before booking to confirm communication standards.
5. Understand the revision policy. Clinics we contacted confirmed that most offer one complimentary revision or follow-up within 30 days of the procedure. For surgical procedures, clarify the clinic’s policy on complications and whether they maintain a relationship with a nearby hospital for emergency support.
Frequently Asked Questions
Is gummy smile correction in Seoul safe for foreign patients?
Yes, provided you choose a clinic with board-certified surgeons and proper facility accreditation. Korea’s medical system is regulated by the Korean Ministry of Health and Welfare, which sets strict standards for all surgical and dental facilities. International patients are encouraged to verify clinic credentials through official Korean medical registries before booking.
How long do the results of gummy smile correction last?
Results vary by procedure. Botox injections last 3 to 6 months and require repeat sessions. Lip repositioning surgery and crown lengthening are considered long-term or permanent solutions for most patients. Orthognathic surgery delivers permanent structural correction. Recurrence is rare with surgical options when performed correctly.
How much does gummy smile correction cost in Seoul compared to other countries?
Seoul’s pricing is consistently 30 to 60% lower than equivalent procedures in the United States, Australia, or Western Europe. A lip repositioning surgery that might cost USD $3,000 to $5,000 in the US typically costs USD $590 to $1,480 in Seoul. Orthognathic surgery costs USD $4,430 to $11,080 in Seoul versus USD $20,000 to $40,000 in North America.
Is there a best time of year to travel to Seoul for this procedure?
Spring (March to May) and autumn (September to November) are the most comfortable seasons in Seoul and coincide with lighter tourist traffic, making clinic scheduling more flexible. Summer months (June to August) can be hot and humid, which may slightly extend recovery discomfort for surgical patients, though it does not affect medical outcomes.
Will I need follow-up treatment after returning home?
For non-surgical procedures like Botox, no follow-up is required immediately after returning home. For surgical procedures, Seoul clinics typically provide a complete medical file, post-operative care instructions, and direct contact information for your surgeon in case of questions. It is advisable to identify a local dental or maxillofacial specialist in your home country who can provide follow-up care if needed.
Can gummy smile correction be combined with other dental or aesthetic procedures?
Yes, and many international patients choose to combine procedures to maximize their time in Seoul. Common combinations include crown lengthening with dental veneers, lip repositioning with rhinoplasty, and Botox gummy smile correction with dermal fillers for lip volume. Clinics we contacted confirmed that combination packages can offer cost savings of 10 to 20% compared to booking each procedure separately.
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