Many dental problems can be easily treated with orthodontics. One of these problems, which is also relatively common, is an overbite. This condition is characterized by the upper teeth overlapping the lower teeth excessively, more than normal.
Typically, the upper front teeth have a slight overlap of the lower front teeth, about one to two millimeters.
Under normal conditions, the upper front teeth should rest slightly over the lower front teeth, with no gap between them. If this overlap is excessive, it is referred to as a deep overbite.
What is a Normal Overbite in Teeth?
An overbite is a dental abnormality in which the upper teeth overlap the lower teeth more than normal. The upper front teeth should overlap the lower front teeth by about 1 to 3 millimeters.
If this overlap is excessive, it is referred to as a deep overbite and requires treatment.
WebMD
“An overbite, also known as a deep bite, can cause discomfort in the jaw and affect eating and speaking. Early diagnosis and treatment can significantly reduce future complications.”
Types of Overbites
Overbites are generally categorized into three main types:
- Skeletal Overbite: caused by irregular jawbone growth.
- Dental Overbite: caused by external factors such as lack of oral space or bad oral habits.
- Mixed Overbite: a combination of skeletal and dental factors.
The severity of an overbite is measured by the percentage of teeth overlapping. Mild overbites (30%) may not require treatment, but severe overbites (100%) require orthodontic intervention or surgery.
| Type of Overbite | Extent | Cause | Severity Percentage | Need for Orthodontic Intervention |
|---|---|---|---|---|
| Normal | 1 to 3 millimeters | Usually dental | 30% | May require intervention |
| Deep | 4 to 8 millimeters | Dental or skeletal | 50% | Usually requires intervention |
| Severe | 9 millimeters or more | Dental or skeletal | 100% | Requires intervention |
Difference between Overbite and Overjet
Overjet and overbite are two distinct malocclusions. In an overbite, the upper teeth overlap the lower teeth, causing a vertical misalignment (commonly referred to as “buck teeth”).
People with severe overbites may also develop other bite issues, such as an underbite, which is why it’s important to address all misalignments with the help of an experienced orthodontist.
The difference between an overbite and an underbite or crossbite: An underbite is the opposite of an overbite, while a crossbite involves misalignment of the teeth either horizontally or vertically.
What is the Causes of an Overbite?
- Genetics:
Genetics is one of the causes of a type of overbite called a skeletal overbite. This abnormality results from problems in the development of the jaw bone structure.
The shape and growth of bones are usually determined by specific genes inherited from your parents and relatives. - Crowding of teeth:
Crowding occurs when there is not enough space for all the teeth to fit properly, which can lead to the development of an overbite.
As a result, the teeth move to fit and protrude from the gums irregularly. Crowding can occur for various reasons; for example, losing back teeth due to excessive wear can cause an overbite. - External factors:
In some cases, external factors such as thumb sucking, prolonged pacifier use, or other harmful habits (e.g., nail biting) can lead to an overbite.
Complications of an Untreated Overbite
An untreated overbite can progressively worsen, leading to permanent damage to your teeth, bones, and jaw structure.
It can also affect speech, cause facial pain, make it harder to maintain oral hygiene, and eventually lead to gum disease (periodontitis).
An untreated overbite can cause problems such as:
- Damage to your teeth and gums.
- Difficulty chewing and speaking.
- Jaw pain and headaches.
- Increased risk of gum disease, tooth decay, and eventual tooth loss.
Remember that orthodontic treatment is not just for cosmetic purposes; it is also crucial for maintaining oral health.
How is an Overbite Fixed?
American Association of Orthodontists (AAO)
“Orthodontic treatment can help correct misaligned teeth and improve both function and aesthetics. Overbites, when left untreated, can lead to significant dental problems including jaw pain, tooth wear, and difficulty chewing.”
Overbite correction depends on the severity of the condition and typically involves the following treatment options:
- Metal or ceramic braces: To straighten teeth, use metal or ceramic braces.
Metal braces can be paired with colorful rubber bands, which are popular with children and teens. Ceramic brackets use clear or tooth-colored materials, which makes the braces less visible. Adults usually prefer ceramic braces because of their subtle appearance. - Invisalign Clear Aligners: Clear aligners correct mild to moderate overbites.
Invisalign Clear Aligners are also an effective option for correcting overbites. In this treatment, the orthodontist uses clear plastic aligners custom-molded onto your teeth and slowly moves them into their correct positions over a shorter period. - Surgery: For severe skeletal overbites in adults.
Oral surgery combined with orthodontic treatment is often the best option for severe skeletal overbites. This degree of malocclusion is usually quite rare, but in cases that require serious intervention, oral surgery can provide highly effective results. - Retainers: Used to maintain the results achieved from orthodontic treatment and prevent teeth from shifting back to their original position.
Conclusion
Overbite is a common malocclusion that can cause serious complications if left untreated. Visiting an orthodontist can effectively treat this problem and ensure oral and dental health.
If you think your child may have an overbite, it’s best to visit an orthodontist for a professional evaluation.
All children should see an orthodontist by the age of seven so that the treatment process can begin as soon as possible if an abnormality is detected.
FAQ
What does an Overbite Look Like?
An overbite is a condition where the upper front teeth significantly overlap the lower front teeth. Normally, the upper teeth should overlap the lower teeth by about 1 to 3 millimeters, but in an overbite, this overlap is greater, causing the upper teeth to appear more prominent or protrude forward. This can lead to a “buck teeth” appearance and, in severe cases, affect facial aesthetics, chewing, or speech. A proper diagnosis and treatment by an orthodontist are recommended to address this issue.
How to Fix Overbite Naturally?
To fix an overbite naturally, practice proper tongue posture, avoid habits like thumb sucking, chew tough foods, and do jaw exercises. However, moderate to severe overbites usually require professional orthodontic treatment. Early intervention in children is key to preventing worsening.
Sources:
https://www.aaoinfo.org/
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