How Orthodontists Treat Open Bite Problems
When your front teeth do not meet as you close your mouth, everyday things like biting into a sandwich, speaking clearly, or feeling comfortable in photos can become harder than they should be. Understanding how orthodontists treat open bite starts with identifying why the teeth are not meeting. An open bite is treatable, but the right approach depends on a patient’s age, jaw growth, tooth position, and habits.
What is an open bite?
An open bite is a type of bite misalignment in which some upper and lower teeth do not touch when the back teeth are together. The most common form is an anterior open bite, where a visible space remains between the front teeth. Less commonly, a posterior open bite affects teeth in the back of the mouth.
The concern is not only cosmetic. A noticeable gap can make it difficult to bite and tear food. Some people compensate by pushing their tongue forward when they swallow or speak, which can place additional pressure on the teeth. Over time, an untreated open bite may contribute to uneven tooth wear, jaw discomfort, or frustration with a smile that does not feel functional.
Why open bites develop
Open bites do not all have the same cause, which is why a personalized orthodontic exam matters. In children, prolonged thumb sucking, pacifier use beyond the toddler years, or a tongue-thrust swallowing pattern can keep the front teeth from erupting into the right position. Mouth breathing and enlarged tonsils or adenoids can also affect facial growth and bite development in some children.
For teens and adults, an open bite may result from inherited jaw proportions, the way teeth erupted, persistent tongue posture, or a bite that shifted after prior orthodontic treatment. Sometimes the upper and lower jaws have grown in a way that leaves the front teeth apart even when the teeth themselves are relatively straight. That distinction affects whether treatment focuses primarily on moving teeth, guiding growth, or coordinating orthodontic care with jaw surgery.
How orthodontists treat open bite after a careful evaluation
An orthodontist begins by looking beyond the gap. The evaluation typically includes photographs, digital scans or impressions, X-rays, and a close assessment of the teeth, jaw relationship, facial balance, and bite function. For younger patients, the orthodontist also considers how much growth remains.
This planning stage answers the questions that matter most: Is the open bite caused by a habit, tooth position, jaw growth, or several factors together? Is there enough space for teeth to move predictably? Is the tongue pushing against the teeth? A treatment plan should address the underlying cause whenever possible, not simply close the visible space.
Early treatment for children
Early orthodontic treatment can be especially helpful when an open bite is connected to a thumb-sucking habit, pacifier use, narrow upper jaw, or developing jaw imbalance. The goal is not always to begin full braces right away. Often, the first phase creates healthier conditions for permanent teeth to come in and for the jaws to grow.
Depending on the child’s needs, treatment may include a habit appliance, an expander to widen a narrow upper jaw, or a removable appliance that helps guide the bite. A habit appliance is not meant to shame a child or make them uncomfortable. It provides a gentle physical reminder that supports a family’s efforts to stop the habit. If tongue posture or swallowing patterns are contributing, the orthodontist may also recommend working with an appropriate healthcare professional for additional support.
Timing is important. Treating a growing child can sometimes reduce the amount of correction needed later, but not every young child needs immediate treatment. Some cases are best monitored until more permanent teeth have erupted.
Braces for predictable tooth movement
Metal braces and clear braces are reliable options for many teen and adult open bite cases. Brackets and wires give the orthodontist detailed control over how individual teeth move, including vertical changes that are often necessary to close an open bite.
Treatment may involve moving the front teeth together, adjusting the height of back teeth, improving the fit of the upper and lower arches, or a combination of these movements. Small elastic bands are often part of treatment. Worn as directed, elastics help coordinate the bite and guide the teeth toward a more balanced relationship.
Braces can be a strong choice when the bite is complex, when precise movement is needed, or when a patient prefers not to manage removable aligners. Clear braces offer a less noticeable alternative, although they are still visible up close and may not be suitable for every treatment need.
Invisalign and clear aligners
Invisalign can treat many open bite cases, particularly when the issue is primarily dental rather than caused by a significant jaw discrepancy. Custom clear aligners are worn most of the day and changed on a schedule set by the orthodontist. Attachments, small tooth-colored shapes placed on certain teeth, can help aligners create the specific movements needed to improve the bite.
For adults and teens who want a more discreet option, aligners can be appealing because they are removable for meals and brushing. That convenience comes with responsibility. Aligners generally need to be worn about 20 to 22 hours each day. Inconsistent wear can slow progress or leave the bite short of its intended result.
Clear aligners are not automatically better than braces, and braces are not automatically more effective than aligners. The best choice depends on the complexity of the bite, the treatment goals, and what a patient can realistically wear as instructed.
When jaw surgery is part of the conversation
If an adult has a pronounced open bite caused by the position or growth pattern of the jaws, moving teeth alone may not provide the most stable or balanced result. In these cases, orthodontic treatment combined with orthognathic jaw surgery may be recommended.
This is a more involved path, and it is not the first recommendation for every adult open bite. It requires careful planning between an orthodontist and an oral and maxillofacial surgeon. Braces or aligners are used before and after surgery to place the teeth in the correct positions. Surgery changes the jaw relationship itself, which may improve chewing function, facial balance, and the long-term fit of the bite.
A consultation should make the trade-offs clear. Surgical treatment can offer meaningful correction for a skeletal problem, but it involves recovery time, medical considerations, and a longer overall commitment. Patients deserve a straightforward explanation of both surgical and nonsurgical options.
Retainers protect the corrected bite
Closing an open bite is only part of treatment. Retention is essential because teeth can shift after braces or aligners are finished, especially if tongue posture, habits, or growth-related factors remain. Most patients receive custom retainers and a specific wear schedule.
Some patients need a fixed retainer behind certain teeth, while others do well with removable retainers worn nightly after an initial full-time period. Follow-up visits help confirm that the bite remains stable and give the orthodontist a chance to address small changes before they become larger ones.
How long does open bite treatment take?
Treatment time varies widely. A limited early treatment phase may take several months, while comprehensive braces or Invisalign treatment commonly takes around 12 to 24 months. More complex cases, especially those involving impacted teeth, significant jaw differences, or surgery, can take longer.
The pace also depends on attendance at appointments and following instructions for elastics, aligner wear, or retainer use. An accurate timeline comes after an in-person evaluation, not from comparing one person’s treatment experience with another’s.
A comfortable, personalized next step
An open bite can feel like a small gap with a big impact on confidence and daily comfort. At Spain Orthodontics, every treatment recommendation begins with listening to your concerns, evaluating the cause of the bite problem, and explaining options in clear, supportive language. Whether your child needs early guidance or you are considering braces or Invisalign as an adult, a free consultation can give you a practical plan and a clearer sense of what is possible.

