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How Many Steps Are Included in the Standard Medical Stages of Underbite Braces Treatment?

Nguyen Thao Vy
Nguyen Thao Vy
Asked: 16/06/2026

I have a mild underbite and am currently researching orthodontic treatment. Doctor, could you please explain the standard medical stages of underbite braces treatment, how many steps are typically involved, how long each stage lasts, and which stage is the most important in determining the final treatment outcome?

Answered: 16/06/2026

Hello, underbite correction with braces is one of the more complex orthodontic treatments compared to correcting protruding teeth or simple misalignment because it directly involves the relationship between the teeth, jawbone, and occlusion. Therefore, understanding the stages of underbite braces treatment according to medical standards will help you feel more confident and cooperate effectively with your orthodontist throughout the treatment process. I will explain each stage in detail so you can fully understand the treatment journey.

The Standard Medical Stages of Underbite Braces Treatment

My answer is as follows: the stages of underbite braces treatment are structured according to a carefully planned protocol designed to control orthodontic forces safely, gradually correcting both tooth alignment and occlusion while avoiding aggressive interventions that may lead to complications.

Initial Tooth Alignment Stage

This is the first stage of underbite braces treatment, with the goal of aligning crowded, rotated, or improperly positioned teeth. The orthodontist uses gentle forces to move the teeth into the correct dental arch, creating a foundation for the more advanced corrective stages that follow. During this phase, you may experience mild soreness as the teeth begin to move, which is a normal physiological response.

Tooth Axis and Jaw Relationship Adjustment Stage

Once the teeth have become relatively aligned, the orthodontist focuses on adjusting the tooth axes and the relationship between the teeth and the jawbone. For underbite cases, this stage is particularly important because it requires precise control of the inclination of the front teeth and the interaction between the upper and lower jaws. This step helps distinguish between a dental underbite and a skeletal underbite, thereby optimizing the orthodontic treatment plan.

Occlusal Correction Stage

During this stage, the orthodontist begins applying more targeted correction to the occlusion, guiding the upper and lower teeth into a proper relationship. Orthodontic elastics or auxiliary appliances may be prescribed to correct the bite, improve chewing function, and enhance facial balance. This is one of the key stages that significantly influences the success of underbite correction.

Finishing and Refinement Stage

Once the occlusion has become generally stable, the orthodontist proceeds to the refinement stage. Small details such as bite fit, tooth contacts, tooth angulation, and smile aesthetics are carefully adjusted. The objective of this phase is to ensure that the teeth are not only straight but also functionally balanced and stable over the long term.

Retention Stage

This is the final but indispensable stage of underbite braces treatment. After the braces are removed, you will be instructed to wear retainers to maintain the teeth in their new positions and allow the alveolar bone to stabilize completely. If retainers are neglected or not worn as instructed, there is a risk that the underbite may relapse even if the orthodontic treatment itself was successful.

How Long Does Each Stage of Underbite Braces Treatment Last?

Depending on the severity of the underbite and the treatment method, the total duration of underbite braces treatment typically ranges from 18 to 30 months. The initial alignment stage generally lasts for the first few months, while the tooth axis adjustment and occlusal correction stages account for the majority of the treatment time.

The refinement stage is usually shorter but requires a high level of precision. The retention phase may continue for 1–2 years or even longer, depending on the individual case.

Important Considerations for Successful Underbite Braces Treatment

To achieve optimal results from underbite braces treatment, I recommend strictly following the treatment plan, attending follow-up appointments as scheduled, and fully cooperating when instructed to wear orthodontic elastics or auxiliary appliances.

In addition, maintaining excellent oral hygiene and avoiding harmful habits such as biting hard objects or tongue thrusting are also very important for preserving orthodontic treatment effectiveness.

If you would like to learn more about the stages of underbite braces treatment and receive personalized advice based on your specific condition, you can visit Gangwhoo Cosmetic Hospital for a direct orthodontic consultation. Here, orthodontic and braces services are provided according to standardized medical protocols and customized for each underbite case, helping you achieve safe, effective, and long-lasting treatment results.


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