Metal behind teeth
Metal attached to the inner surfaces of teeth is usually lingual braces, which move teeth with brackets and an orthodontic archwire.
The short answer
Metal attached to the inner surfaces of teeth is usually lingual braces, an orthodontic appliance that moves teeth with bonded brackets and an archwire. The brackets sit against the tongue side of the teeth, so the appliance is less visible from the front.
What is the direct answer?
What does this question mean?
The clinical term is lingual orthodontic treatment. Each tooth receives a small metal bracket on its lingual surface, which is the surface facing the tongue, and an orthodontic wire joins the brackets. The wire applies controlled force through the brackets, while the periodontal ligament and surrounding bone remodel as the teeth change position.
A wire retainer or a bonded retainer can also appear as a thin metal line behind the lower front teeth after orthodontic treatment. A dental professional can distinguish a fixed retainer from active braces by checking whether the teeth have brackets, elastic components, or an archwire designed to move them.
What can you do next?
Look for separate brackets on several teeth and note whether a wire passes through them. Brush around every bracket with a soft toothbrush, clean between teeth with an interdental brush or floss threader, and follow the orthodontist's instructions for food and appliance care. Do not bend, cut, or pull a loose wire yourself.
At an orthodontic assessment, the clinician examines your bite, tooth positions, gums, enamel, and jaw relationship. They may take photographs, dental scans or impressions, and X-rays when needed to plan whether lingual braces, lab-made brackets, or another appliance fits your anatomy and treatment goals.
When should you seek dental care?
Arrange an orthodontic review if the metal is new, you do not know its purpose, or you want to know whether it is active treatment or a retainer. Contact the treating clinic promptly if a bracket detaches, the wire is poking, the appliance is cutting the tongue, or a tooth or gum becomes painful, swollen, or difficult to clean.
Seek urgent dental care for facial swelling, trouble breathing or swallowing, uncontrolled bleeding, or a significant injury to the mouth. These symptoms need assessment beyond routine brace adjustment.
What should you ask the dentist?
Ask whether the appliance is lingual braces, a fixed retainer, or another dental device; which teeth it is affecting; how to clean around it; and what to do if a bracket or wire moves. If treatment is being considered, ask how the planned tooth movements, bite changes, appointments, retention, and alternatives apply to your teeth.
Frequently asked questions
Are metal braces behind the teeth called lingual braces?
Usually, yes. Lingual braces have brackets and an archwire bonded to the tongue-facing surfaces of the teeth, although a single wire behind the front teeth may instead be a fixed retainer.
Why does metal behind my teeth hurt my tongue?
A bracket edge, loose wire, or irritated tissue can rub against the tongue. Orthodontic wax may temporarily cover a rough spot, but a loose or sharp component should be checked and adjusted by the treating clinic.
Can I remove the metal behind my teeth at home?
No. Brackets and fixed retainers are bonded to teeth and should be removed or repaired by a dental professional to avoid damaging enamel or soft tissue.