What does “Open bite” mean?
Open bite is a state of bite where the upper and lower teeth in a specific area do not touch each other and there is a gap between them when the teeth are closed.
Which teeth do not meet?
In an anterior open bite, a gap remains between the front teeth even when the molars meet. In another pattern, the back teeth do not meet when the front teeth touch. Side-to-side gaps between neighboring teeth differ from a vertical gap between upper and lower teeth.
Check teeth-jaw relationship and habits
The assessment includes tooth eruption and position, the vertical jaw relationship, and relevant tongue or finger-sucking habits. Difficulty biting through food or speaking is also checked. Similar-looking open bites can require different treatment depending on the cause and growth stage.
Consideration of stability after treatment
Determine the scope of tooth movement and necessary skeletal treatment and manage related habits together. After treatment, a retainer and follow-up are required. Closing the gap and managing the cause and maintenance conditions must be considered together.
Frequently Asked Questions
If there is a gap between the front teeth, is it an open bite?
There is a difference between a space between the front teeth on the left and right, and an open bite where the upper and lower front teeth do not touch when closed.
Is open bite only caused by tongue habits?
No. Many factors, such as tooth position, eruption, and jaw bone relationship, may be involved, so the cause cannot be determined based on a single habit.
Questions needed to understand open bite
Learn what the term means and how it relates to your dental condition.
- Sufficient understanding
Which teeth do not touch when closed?
Explanation and evidenceCheck the contact position of the front teeth and molars and record the area and extent of the upper and lower gaps.
American Association of Orthodontists · Glossary of Orthodontic Terms - A choice suited to your condition
How do habits and jaw relationships affect treatment planning?
Explanation and evidenceThe size and position of the teeth and jaw, as well as their habits and growth status, are evaluated to determine the scope of treatment.
U.S. National Library of Medicine · Malocclusion of Teeth

