Lingual Braces in Seoul: Hidden Braces Behind the Teeth
Quick answer
Lingual braces are fixed brackets bonded to the inside (tongue side) of the teeth, so they are essentially invisible when you smile. They offer the full-time control of braces without the visible hardware. At Isu Yonsei Baro Orthodontics, Dr. Sally Lee, a committee member of the Korean Lingual Orthodontic Association, plans lingual cases with 3D CT and digital scans.
How lingual braces work
Lingual braces use the same principle as conventional braces: brackets hold a wire that applies steady, controlled force. The difference is placement. Because the brackets are bonded on the inner surfaces of the teeth, the front of your smile stays clear throughout treatment.
The inside surfaces of teeth are more irregular than the outside, so lingual appliances demand careful planning and precise bracket positioning. This is one reason lingual orthodontics is often treated as a specialist area in its own right.
Who lingual braces may suit
- Adults whose work involves presenting, filming, teaching or client meetings
- People who want fixed braces but do not want to rely on aligner wear
- Cases needing strong control, such as space closure or significant rotations
- Patients who want the front enamel left untouched by brackets
Lingual braces are not ideal for everyone. Very short teeth, certain deep bites or some gum conditions can make placement difficult, and Dr. Lee will tell you if another option would serve you better.
Lingual, ceramic or aligners?
| Lingual | Ceramic | Clear aligners | |
|---|---|---|---|
| Visible from front | No | Slightly | Barely |
| Removable | No | No | Yes |
| Adaptation | Tongue and speech, a few weeks | Lips and cheeks | Pressure with each new tray |
| Depends on daily wear | No | No | Yes |
What to expect at Isu Yonsei Baro
The first appointment takes about 60 minutes and includes an intraoral digital scan, X-rays or a RAY Quantum 5D CT, and facial records. Dr. Lee examines your teeth, bite and jaw and explains, in English, whether lingual braces suit your case, the likely timeline and a written estimate.
In Dr. Lee's practice, lingual cases are planned digitally from the start, because the bracket position on the inner surface of each tooth has a large effect on how that tooth moves. Her committee work with the Korean Lingual Orthodontic Association keeps her close to current lingual techniques.
Dr. Lee bonds the appliance and sees you at every adjustment herself. Evening hours on Mondays and Thursdays and Saturday mornings make regular visits easier, and the clinic is a one-minute walk from Isu Station Exit 2.
The first weeks
- Your tongue will notice the brackets immediately; most people adapt within a few weeks
- Some sounds, such as "s" and "t", may feel different at first
- Soft foods help during the first days
- Orthodontic wax can protect the tongue while it adjusts
Costs and paperwork
Lingual treatment usually involves more planning and chair time than front-surface braces, and the fee reflects your case, appliance and expected duration. Dr. Lee provides a written estimate in English after the exam rather than a quote from photos. Orthodontics is generally not covered by Korean National Health Insurance, so the clinic issues English receipts, itemized statements and doctor's letters for any overseas policy you plan to claim on.
Individual results and side effects vary; treatment is decided after examination.
At a glance
- Brackets sit behind the teeth and are not visible from the front
- Full-time fixed control, no daily wear-time required
- Typical comprehensive duration: roughly 18–30 months (not promised)
- Speech and tongue usually adapt within a few weeks
- Planned by Dr. Sally Lee, active in the Korean Lingual Orthodontic Association
Your orthodontist
Dr. Sally Chaekyung Lee, DDS, PhD
- MOHW-certified orthodontic specialist
- PhD in Orthodontics, Yonsei University; Severance Hospital residency
- Member, Edward H. Angle Society of Orthodontists
- 2026 AJO-DO peer reviewer
- Consults in fluent English and treats you herself, start to finish
Isu Station Exit 2 · 1-minute walk
Mon & Thu until 9 PM · Sat 9 AM–2 PM
+82 2-592-2080
Frequently asked questions
Do lingual braces affect speech?
Many people notice a slight lisp or change in certain sounds during the first days because the tongue touches the brackets. In most cases speech adapts within a few weeks as the tongue gets used to the appliance. Reading aloud and practicing can help. How quickly you adapt varies from person to person.
Are lingual braces more expensive than regular braces?
Lingual treatment generally involves more complex planning and chair time, so it often costs more than front-surface braces. Isu Yonsei Baro does not quote from photos; Dr. Lee examines you first and then provides a written estimate in English that reflects your specific case and appliance.
Can lingual braces fix the same problems as regular braces?
Lingual braces can treat many of the same problems, including crowding, spacing and many bite issues. Some cases are less suitable because of tooth shape, bite depth or gum health. Dr. Lee assesses this on your CT and scans and explains whether lingual braces or another option fits better.
How do I clean my teeth with lingual braces?
Because brackets sit on the inner surfaces, you need to angle your toothbrush toward the tongue side and use an interdental brush around each bracket. A water flosser can help. The clinic shows you a cleaning routine when the appliance is placed and checks your hygiene at each adjustment.
Related reading
This page is general information, not a diagnosis. Individual results and side effects vary; treatment is decided after an in-person examination. See our editorial and medical review policy .
Talk to Dr. Lee in English
Send your concern and preferred dates. You'll get an examination, your options, a timeline and a written estimate before you decide anything.