Understanding Open Bite: What You Need to Know
Do you notice a gap between your front teeth when you close your mouth? This condition, known as an open bite, affects many individuals and can make everyday activities like eating and speaking difficult. Dr. Hardy and Dr. Peterson specialize in diagnosing and treating all types of open bite malocclusions.
An open bite occurs when the upper and lower teeth don’t meet when the mouth is closed, creating a visible gap between them. This dental misalignment not only affects your smile’s appearance but can also lead to functional problems that impact your quality of life.
What Causes Open Bites?
Understanding the root cause of your open bite is crucial for effective treatment. Several factors can contribute to this condition:
Jawbone Development Issues
Some open bites stem from skeletal issues where the jawbone develops abnormally. This can create a significant misalignment between the upper and lower jaw, preventing teeth from meeting properly when closed.
Mixed Dentition Phase
Children often experience temporary open bites during the transition period when they have both primary (baby) teeth and permanent teeth. This usually resolves once all the primary teeth fall out and permanent teeth fully erupt into their proper positions.
Habitual Behaviors
Many open bites develop from certain repetitive behaviors:
- Tongue Thrusting – Pushes front teeth outward over time. Most common in children 4–8.
- Thumb Sucking – Creates forward pressure on front teeth. Usually occurs before age 5.
- Prolonged Pacifier Use – Similar effect to thumb sucking. Typically occurs before age 3.
- Object Biting – Can prevent proper tooth eruption. Can occur at any age.
Speech Patterns
The way you position your tongue when speaking can gradually push teeth out of alignment. This is often connected to tongue thrusting, but can be its own distinct issue.
Types of Open Bites We Treat
Not all open bites are the same. At our orthodontic practice, we diagnose and treat several variations:
Anterior Open Bite
This most common type affects the front teeth, creating a visible gap when you smile. When you close your mouth, your front upper and lower teeth don’t overlap or touch. This can affect anywhere from two to all of your front teeth, impacting your ability to bite into foods like sandwiches or apples.
Posterior Open Bite
Unlike an anterior open bite, a posterior open bite affects the back teeth (molars and premolars). When biting down, the back teeth don’t make contact, while the front teeth may touch normally. This rare condition significantly affects chewing ability, particularly with foods that require grinding.
Dental Open Bite
This form occurs when individual teeth fail to erupt properly through the gum and jawbone. Rather than a skeletal issue, dental open bites involve problems with specific teeth that haven’t reached their proper position in the dental arch.
Skeletal Open Bite
The most challenging type to treat, skeletal open bites, result from inherited jaw growth patterns. The upper and lower jaw bones develop at different rates or angles, creating a fundamental misalignment that affects how teeth meet. This type often requires more aggressive intervention.
How an Open Bite Affects Your Daily Life
Living with an open bite impacts more than just your smile’s appearance. Our patients report several challenges:
Chewing Difficulties
With front or back teeth unable to meet properly, biting and chewing certain foods becomes challenging. Many patients adapt by changing how they eat or avoiding specific foods altogether.
Speech Impediments
Open bites often cause lisping or whistling sounds when speaking, particularly with “s” and “z” sounds. This can affect social confidence and communication clarity.
Excessive Wear on Back Teeth
When front teeth don’t meet properly, back teeth often bear excessive pressure during chewing. This can lead to premature wear, fractures, or other damage to molars.
TMJ Disorders
The misalignment of the jaw in open bite cases can place strain on the temporomandibular joint (TMJ), potentially leading to jaw pain, headaches, and clicking or popping sounds when opening and closing the mouth.
Self-Confidence Issues
Many of our patients report feeling self-conscious about their smile due to visible gaps between teeth when speaking or smiling.
Effective Open Bite Treatment Options
We believe in personalized treatment approaches for each patient’s unique situation. While open bites can be more challenging to treat than other malocclusions, we offer several effective solutions:
Invisalign for Open Bite Correction
For many adults and teens Invisalign clear aligners provide an excellent solution for open bite correction. These custom-made, removable aligners gradually shift teeth into proper alignment without the visibility of traditional braces. Dr. Hardy has extensive experience using Invisalign to correct open bites with outstanding results.
Traditional and Ceramic Braces
Sometimes, the consistent pressure of traditional braces provides the most effective treatment for moderate to severe open bites. We offer both metal and more discreet ceramic options to suit your preferences while delivering excellent results.
Orthodontic Appliances for Habit Correction
For children whose open bites stem from tongue thrusting or thumb sucking, we may recommend special orthodontic appliances that help retrain these habits while guiding proper tooth development.
Orthognathic Surgery
In severe skeletal open bite cases, we may collaborate with oral surgeons to combine orthodontic treatment with jaw surgery. This approach realigns the upper and lower jaws to create proper bite alignment for cases that cannot be corrected with orthodontics alone.
Why Early Treatment Is Crucial for Open Bites
While we successfully treat open bites in patients of all ages, early intervention offers significant advantages:
- Children’s growing jaws are more responsive to orthodontic guidance
- Habit modification is easier to achieve in younger patients
- Treatment time is often shorter when begun early
- Prevention of secondary issues like speech problems or tooth wear
Dr. Hardy and Dr. Peterson recommend an initial orthodontic evaluation for children by age seven to identify potential open bite issues before they fully develop. If you’d like to learn more, book an appointment here.