Where does it run?
On the tongue side behind the lower teeth.
← All explanationsLingual arch
What is a lingual arch?
A lingual arch is a wire appliance on the tongue side of the teeth. The commonly used lower lingual arch connects the molars and runs behind the lower incisors. It can help preserve existing space in the dental arch.
For training & practice ↓
AI-generated
Choose a view
Wire behind the lower teeth
Molar bands support the arch. Its front section lies on the tongue side of the lower incisors; it is not a row of lingual brackets.
Preserving space
Space changes as permanent teeth replace primary teeth. A lingual arch can limit unwanted drifting. The need to hold space depends on eruption and the overall dental arch.
Monitor eruption too
The appliance must not obstruct eruption. Review, thorough cleaning and checks for loose bands are necessary. Duration follows development rather than one fixed date.
Read the full explanation
Wire behind the lower teeth
Molar bands support the arch. Its front section lies on the tongue side of the lower incisors; it is not a row of lingual brackets.
Preserving space
Space changes as permanent teeth replace primary teeth. A lingual arch can limit unwanted drifting. The need to hold space depends on eruption and the overall dental arch.
Monitor eruption too
The appliance must not obstruct eruption. Review, thorough cleaning and checks for loose bands are necessary. Duration follows development rather than one fixed date.
Notes on the teaching images
- Wire on the tongue side · teaching model
- No individual space measurement shown
- Teaching model without depicted tooth eruption
At a glance
Reviews needed?
Yes, including checks on eruption.
Guaranteed to avoid braces?
No.
Knowledge in motion
Explained in 36 seconds.
Three steps. No audio.
Each scene can also be selected manually.
Silent educational film with German on-screen text and simplified teaching images. Not a patient case or a promised treatment outcome. The full English explanation is available as text.
Often confused
Lingual arch or lingual braces?
Lingual only means the tongue side. A connecting arch and a bracket appliance have different designs and purposes.
Quick answers
Is this an invisible fixed brace?
No. Lingual braces have brackets on the inner tooth surfaces. A lingual arch is a different, usually simpler auxiliary appliance.
Does every child need one after losing a primary tooth?
No. The timing of loss, available space and eruption of permanent teeth all matter.
Will it definitely prevent later braces?
No. Space maintenance may address one part of a problem, but it does not replace complete treatment planning.
At the practice
For the appointment
You can bring this question to your appointment:
Which space needs preserving, and which teeth need room to erupt freely?
Discuss your individual findings and whether a referral is appropriate.
Discuss your findingsAppointment selection at DoctolibLearning layer for training & practiceUnderstand terminology and deepen knowledge
- Leeway space
- Space reserve because the primary canine and molars together are usually wider than their permanent successors, the canine and premolars.
- Eruption
- A tooth emerging into the mouth.
Make the distinction
Lingual only means the tongue side. A connecting arch and a bracket appliance have different designs and purposes.
Sources and context
Editorial research: . General information, not an individual diagnosis or treatment recommendation. Teaching illustrations are simplified and do not depict a patient case.