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An underbite is a type of bite problem where the lower teeth sit in front of the upper teeth when the mouth is closed. This condition can affect both appearance and oral function.
Some people notice that their lower jaw looks slightly forward, while others experience problems with chewing, speech, or jaw discomfort.
Modern orthodontics offers several treatment options, and in many cases clear aligners can help correct mild to moderate underbite problems without traditional metal braces.
This guide explains what an underbite is, why it happens, how clear aligners correct it, and what patients can expect during treatment at Cayo Dental Hospital.
An underbite occurs when the lower front teeth extend forward beyond the upper front teeth.
Normally, the upper teeth should sit slightly in front of the lower teeth when biting. This allows the teeth to meet properly and function efficiently during chewing.
In an underbite, the bite relationship is reversed.
Underbites can vary in severity:
Dentists evaluate underbite severity through clinical examination and digital imaging.
Several factors can contribute to the development of an underbite.
Genetics
In many cases, underbite is inherited. If one or both parents have a prominent lower jaw, children may develop a similar jaw structure.
Jaw growth imbalance
Sometimes the lower jaw grows larger or faster than the upper jaw, leading to misalignment between the two jaws.
Childhood habits
Certain habits during childhood may affect jaw development, including:
Bone structure differences
Some individuals naturally have differences in the size or position of their jawbones, which can contribute to underbite.
A detailed evaluation at Cayo Dental Hospital helps determine the exact cause before treatment begins.
An underbite is not only a cosmetic concern. If left untreated, it may affect both dental health and jaw function.
When the teeth do not align properly, it can place excessive stress on the jaw joints.
These joints are called the temporomandibular joints (TMJ), which connect the lower jaw to the skull.
Untreated underbite may lead to:
Over time, uneven bite pressure may damage tooth enamel.
Improper bite alignment can affect basic oral functions.
Some individuals with underbite experience:
Correcting the bite helps restore better chewing efficiency and overall oral function.
Yes, clear aligners can correct many mild to moderate underbite cases.
However, the effectiveness depends on the cause of the underbite.
If the problem is mainly due to tooth position, aligners can gradually move the teeth into better alignment.
If the underbite is caused by significant jawbone differences, additional orthodontic treatment or jaw surgery may be required.
Clear aligners are designed using digital treatment planning software.
Each aligner tray applies gentle, controlled pressure to guide the teeth into a new position.
To correct an underbite, aligners may:
These movements occur through a natural biological process called bone remodeling, where bone gradually reshapes around the moving teeth.
Both braces and aligners can correct bite problems.
However, clear aligners offer several advantages.
Clear aligners are:
Traditional braces may still be recommended for severe skeletal underbites, but many patients can achieve excellent results with aligners.
Successful orthodontic treatment requires precise diagnosis and careful planning.
At Cayo Dental Hospital, clear aligner treatment is designed using advanced digital dentistry technologies.
Instead of traditional impressions, Cayo Dental uses 3D intraoral scanning technology to capture a detailed digital model of the patient’s teeth and bite.
This technology allows dentists to analyze:
Accurate digital scans improve the precision of orthodontic treatment.
Advanced orthodontic planning software allows dentists to simulate tooth movement before treatment begins.
Patients can often view a digital preview of how their teeth and bite will change during treatment.
This helps patients understand the expected outcome and treatment duration.
Clear aligner trays are fabricated using medical-grade materials designed for orthodontic use.
These materials ensure that aligners:
High-quality materials improve treatment accuracy and patient comfort.
Orthodontic care should be convenient and accessible.
To improve accessibility, Cayo Dental offers remote scanning through distance centers.
Distance centers allow patients to begin treatment closer to their home.
Patients can:
This system allows more patients across Sri Lanka to access orthodontic care conveniently.
Correcting an underbite can improve both the function of your bite and the appearance of your smile.
Clear aligners provide a modern and comfortable orthodontic solution for many patients.
Patients can easily schedule consultations and confirm appointments through secure payhere payment integration at Cayo Dental Hospital.
This streamlined process makes starting orthodontic treatment simple and convenient.
Clinical observations from Cayo Dental Hospital show predictable results for clear aligner treatment.
| Clinical Indicator | Observed Value |
|---|---|
| Aligner cases analysed | ~642 patients |
| Average patient age | ~29.8 years |
| Average aligners per arch | ~22 trays |
| Average total aligners per case | ~38 trays |
| Average treatment duration | ~10.6 months |
| Cases requiring refinement aligners | ~54% |
| Treatment completion rate | ~93% |
These outcomes align with international orthodontic research showing that clear aligners can successfully correct many bite problems when treatment is carefully planned and patients follow the recommended wear schedule.