What does “Lingual arch” mean?
A lingual arch is an orthodontic appliance with a wire running along the tongue side of the teeth and connected to molars or other supporting teeth. A design used to maintain space in the lower arch is common; different designs and adjustments may serve other goals, such as regaining space.
Identify the teeth supported by the wire and bands
One design runs from bands on the lower molars along the tongue side of the front teeth. It is made according to which positions and spaces need preserving, with assessment of permanent successors and the front teeth. Its name does not imply that it can resolve every alignment problem.
Distinguish passive maintenance from active movement
Maintaining remaining space and moving teeth to regain lost space are different goals. An active appliance requires its own space analysis and movement plan. Patients should not bend or adjust the wire themselves to create space.
Continue hygiene, eruption and appliance checks
Learn to clean around the wire and bands so plaque does not remain. Loose attachment or distortion can compromise the intended function, so tell the team. Growth and permanent tooth eruption guide reviews of whether adjustment, replacement or removal is needed.
Frequently Asked Questions
Are a lingual arch and lingual orthodontics the same treatment?
No. Space maintenance or regaining with a lingual arch should be distinguished from alignment using brackets and wires on the inner tooth surfaces. Confirm the purpose of your appliance.
Can I bend a loose wire myself?
Do not adjust it yourself; contact the team. The band attachment, wire and surrounding tissues need to be checked before any necessary adjustment or repair.
Checking the goal and reviews of a lingual arch
Learn what the term means and how it relates to your dental condition.
- Sufficient understanding
Is this appliance maintaining space or moving teeth?
Explanation and evidenceAsk which space is being preserved or regained, which teeth support it, what records are needed and how the front teeth and permanent successors are developing.
AAPD: Developing dentition, space management and crossbite assessment (2024 revision) - Care after treatment
How is the timing of adjustment or removal decided?
Explanation and evidenceConfirm reviews of changes in the dentition and eruption, attachment, distortion and tissues, together with cleaning and contact arrangements for problems.
AAPD: Developing dentition, space management and crossbite assessment (2024 revision)
Further reading and references
Further reading
References
- AAPD: Developing dentition, space management and crossbite assessment (2024 revision)aapd.org (opens in a new tab)
- Appliance structure in a clinical report combining a lingual arch and lip bumper (2018)pmc.ncbi.nlm.nih.gov (opens in a new tab)
- NHS: Orthodontic appliance components, care and retentionnhs.uk (opens in a new tab)
