Malocclusion of teeth

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Dental anatomy

Malocclusion of teeth

Prognathism

Teeth, adult - in the skull

Crowded teeth; Misaligned teeth; Crossbite; Overbite; Underbite; Open bite

Very few people have perfect teeth alignment. However, most problems are so minor that they do not require treatment.

Malocclusion is the most common reason for referral to an orthodontist.

By treating moderate or severe malocclusion, the teeth are easier to clean and there is less risk of tooth decay and periodontal diseases (gingivitis or periodontitis). Treatment eliminates strain on the teeth, jaws, and muscles, which lessens the risk of breaking a tooth and may reduce symptoms of temporomandibular joint disorders.

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The goal is to correct the positioning of the teeth. Braces or other appliances may be used. Metal bands are placed around some teeth, or metal, ceramic, or plastic bonds are attached to the surface of the teeth. Wires or springs apply force to the teeth.

One or more teeth may need to be removed if overcrowding is part of the problem. Rough or irregular teeth may be adjusted down, reshaped, and bonded or capped. Misshapen restorations and dental appliances should be repaired. Surgery may be required on rare occasions. This may include surgical reshaping to lengthen or shorten the jaw (orthognathic surgery). Wires, plates, or screws may be used to stabilize the jaw bone, in a similar manner to the surgical stabilization of jaw fracture.

It is important to brush and floss your teeth every day and have regular visits to a general dentist. Plaque accumulates on braces and may permanently mark teeth or cause tooth decay if not properly cared for.

Retainers (used to stabilize the teeth) may be required for an indefinite time to maintain the new position of the teeth.

Problems with teeth alignment are easier, quicker, and less expensive to treat when they are corrected early. Treatment is most successful in children and adolescents because their bone is still soft and teeth are moved more easily. Treatment may last 6 months to 2 or more years, depending on the severity of the case.

Treatment of orthodontic disorders in adults is often successful but may require longer use of braces or other devices.

• Tooth decay
• Discomfort during treatment
• Irritation of mouth and gums (gingivitis) caused by appliances
• Chewing or speaking difficulty during treatment

Call your orthodontist if toothache, mouth pain, or other new symptoms develop during orthodontic treatment.

Review Date: 02/22/2010
Reviewed By: Jack D. Rosenberg, DDS, Advanced Dental Care, Palm Beach Gardens, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, M.D., MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).