What counts as an open bite?
An open bite exists when certain teeth do not contact as expected when you close together. The best-known form is an anterior open bite, where the front teeth remain apart.
Posterior open bites can also occur, although they are discussed less often by patients.
What can cause it?
Causes may include tongue posture or thrust, habits, eruption patterns, skeletal relationships or previous treatment relapse. Often more than one factor is involved.
That is why the treatment plan may include both tooth movement and attention to the pattern that created the bite.
Why can an open bite be a problem?
Adults may struggle to bite through food efficiently, may notice speech differences or simply dislike the appearance. The degree of functional impact varies from person to person.
An open bite can also be one of the more relapse-prone patterns if the underlying factors are not controlled.
How is it treated?
Treatment depends on the cause and severity. Options may include braces, aligners, elastics, TAD-supported mechanics, habit control strategies and in some cases jaw surgery for significant skeletal problems.
The exact route matters less than the principle: the clinician must understand why the bite is open, not just that it is open.
What should adults keep in mind?
Adult treatment planning often has to account for restorations, gum health, airway or habit history and realistic stability. Some open bites are straightforward; others require more advanced mechanics.
Asking about long-term stability is especially important.
Why retention is crucial
Retention matters after every orthodontic case, but open-bite patients are often particularly interested in relapse prevention. Retainers, review schedules and habit control can all matter in the maintenance phase.
Sources & further reading
- NHS — Braces and orthodontics — General orthodontic background relevant to malocclusions.
- American Association of Orthodontists — FAQs — General patient information about bite problems and treatment.
These references support general educational information. Your own orthodontist or dentist should advise you based on your teeth, gums, bite, medical history and treatment goals.