Lingual braces are a fixed orthodontic treatment in which the brackets are bonded to the inner, tongue-side surfaces of the teeth instead of the outer surfaces. From the outside, the brackets are not visible; treatment works with the same bracket-and-wire mechanics as metal or ceramic braces. Lingual treatment is an option for patients who put invisibility first and want the control of fixed treatment. On the other hand, tongue irritation and temporary changes in speech are expected in the first weeks, cleaning requires more care, and it is not suitable for every type of bite. Whether lingual treatment is suitable in your case is assessed through an examination and records.
Rather than defining lingual braces, this page focuses on the practical points you need to know when deciding: who they make sense for, how treatment progresses, what the first weeks are like and which alternatives can be considered. For the general advantages and disadvantages of lingual orthodontics, see our article what are lingual (invisible) braces.
Who are lingual braces a sensible option for?
- When visibility is absolutely unwanted: Adults who work face to face with people all the time, or who are on stage or in front of a camera because of their profession.
- Patients who need fixed treatment but have high esthetic expectations: Cases that require fixed mechanics, but where even ceramic brackets are considered too visible.
- People who feel they could not keep up with a removable treatment: Lingual brackets are fixed; they do not depend on the discipline of wearing them 20–22 hours a day, as clear aligners do.
- Wind instrument players or people sensitive to lip irritation: Because the brackets are not on the lip side, there is less contact with the inside of the lips; however, there is instead an adjustment period on the tongue side.
When might lingual treatment not be suitable?
- Very short crowns: If there is not enough surface on the inner side of the teeth to place a bracket, bonding becomes difficult.
- Active gum disease or inadequate oral hygiene: Brackets on the tongue side are harder to clean; gum health needs to be established first.
- Certain bite types: In bites where the lower front teeth hit the upper brackets hard, bracket breakage may increase. On the other hand, in some deep bites, upper lingual brackets can help open the bite; this distinction is made using records.
- Periods when speech must not be affected even briefly: If an important exam, presentation or stage performance is coming up, timing should be discussed.
Lingual treatment is a method that requires special training and experience, and it is not offered at every clinic. Asking at your examination which options are realistic for your case will help you make a sound decision.
How does treatment with lingual braces progress?
1. Examination and digital records
The inner surfaces of the teeth, the gums, the bite and the jaw joint are evaluated. X-rays, photographs and an intraoral digital scan are taken. Because brackets in lingual treatment are mostly custom-designed, the precision of the records matters.
2. Preparation of custom brackets and wires
The inner surfaces of the teeth vary greatly from person to person. For this reason, in most systems the bracket bases and wires are custom-made in a laboratory according to a digital plan. This preparation can take a few weeks.
3. Bonding the brackets with the indirect method
The brackets are placed on the inner surfaces of the teeth all at once with the help of a carrier tray (transfer tray) prepared in the laboratory. This method makes it possible to place the brackets in their planned positions in an area that is hard to see directly. The procedure does not require numbing.
4. Active treatment and checkups
Alignment, space closure and bite correction follow the same logic as metal braces. Checkups are usually every 4–8 weeks; because working on the tongue side takes more time, appointments may last a little longer than with labial (outer-surface) brackets. The length of treatment varies with the difficulty of the case and is given as an estimate after the examination.
5. Removal and retention
After the brackets are removed, the inner surfaces of the teeth are cleaned and polished. The new position of the teeth is then maintained with a fixed retainer and/or a retainer worn at night. For details, see our retention page.
How are speech and the tongue affected in the first weeks?
Because lingual brackets sit within the tongue's range of movement, irritation and small sores on the tip and sides of the tongue, as well as changes in speech, are expected in the first days. A slight lisp may be noticeable, mostly with sounds the tongue makes close to the teeth, such as s, sh, z, t and d. The tongue usually adapts to the new situation within a few weeks; the adjustment period varies from person to person.
- Orthodontic wax provides temporary relief where a bracket irritates the tongue.
- Reading aloud and speaking exercises can speed up the tongue's adjustment.
- Choosing soft foods in the first days makes chewing easier.
- For sores that do not heal or keep getting larger, or for a poking wire end, you need to contact the clinic.
How should cleaning and eating be handled with lingual braces?
Because the inner surfaces of the teeth cannot be seen directly, cleaning needs more attention. Using a small-headed or single-tuft brush, an interdental brush and, if needed, a water flosser is helpful. Checking with a mirror helps you build the habit in the first weeks. The eating rules are the same as with other fixed braces: avoid hard and sticky foods and eat hard foods in small pieces. One advantage of lingual treatment is that any white spots that may form stay on the hidden inner surfaces of the teeth; however, this does not mean cleaning can be neglected.
Is the result with lingual treatment different from outer-surface brackets?
The intended result is the same: well-aligned teeth, a balanced bite and healthy gums. What differs is the point where force is applied to the tooth. When the bracket is on the inner surface of the tooth, the effect of forces that tip the tooth forward or backward changes; for this reason, planning and wire design in lingual treatment are adapted to these mechanics. Custom brackets and digitally bent wires make it easier to account for this difference in advance. What determines the quality of the result is less the method itself than its suitability for the case, the accuracy of the planning and the patient attending checkups regularly. At the end of treatment, patients treated with lingual brackets continue into the retention phase just like other patients.
Lingual braces, ceramic braces or clear aligners?
Patients who want to reduce visibility have three main paths. Each involves a different trade-off:
- Lingual braces: Invisible from the outside and fixed; they require an adjustment period for tongue comfort and speech, cleaning and checkups are more demanding, and the fee is generally higher than other fixed options.
- Ceramic braces: On the front surfaces of the teeth but close to tooth color; they do not crowd the tongue space, and checkups and cleaning are similar to metal braces.
- Clear aligners: Hard to notice and removed for eating and cleaning; success depends on wearing them 20–22 hours a day. The clinic uses the Invisalign system.
In some cases, combined solutions can also be considered; for example, lingual brackets on the upper teeth, where visibility matters more, and outer-surface brackets on the lower teeth. For the general stages of fixed treatment, see our braces treatment page, and for an overview of all options, our orthodontic treatments page.
What should you ask about lingual treatment at your examination?
- Are the inner surfaces of my teeth and my bite suitable for lingual brackets?
- Will the brackets be custom-made, and how long will preparation take?
- How can I plan the period when my speech will be affected around an important event?
- In this case, how would ceramic brackets or clear aligners give a different result?
- If a bracket comes off or a wire pokes, how soon can I get an appointment, and what should I do in the meantime?
- Which appliance will I use during the retention phase, and for how long?
- What factors determine the fee? The fee is provided in writing after planning.