Can braces help with bruxism? Understand in which cases

Bruxism is a condition characterised by grinding or clenching the teeth, which may occur during sleep or throughout the day. It is frequently associated with factors such as stress and anxiety, muscle tension, changes in occlusion (the way the teeth fit together) or specific neuromuscular patterns.

As it is a multifactorial condition, not all cases of bruxism have the same origin — and therefore, the answer to the question “can braces help with bruxism?” always depends on the cause identified in each patient.

In some cases, orthodontic treatment may help improve functional balance. In others, complementary or different approaches are required.

What is bruxism and how does it affect occlusion?

Bruxism consists of involuntary muscular activity that leads to clenching or grinding of the teeth. It may occur during sleep (sleep bruxism) or while awake, often associated with periods of greater emotional tension.

When persistent, bruxism does not affect only the teeth in isolation. It is a functional condition that may alter the way the teeth fit together (occlusion), overload muscles and joints, and trigger a cycle of compensations that worsen the imbalance over time, with some of the following consequences.

Tooth wear

The constant friction between the teeth causes progressive loss of enamel, the outer protective layer. This wear may alter the anatomy of the dental surfaces, shorten the teeth and modify the contact points between the arches.

Over time, this alteration in tooth morphology may compromise occlusal stability and favour premature or misaligned contacts.

Fractures or cracks in the teeth

The force exerted during episodes of bruxism may be significantly greater than that used during normal chewing. This excessive pressure may cause microcracks in the enamel, fractures in restorations or even structural fractures of the tooth.

These changes are not merely aesthetic — they may generate pain, pulpal inflammation and the need for more complex restorative treatments.

Tooth sensitivity

With enamel wear, dentine becomes more exposed. As dentine contains tubules that communicate with the inside of the tooth, thermal (cold or heat) or mechanical stimuli may trigger sharp pain.

Sensitivity is often one of the first clinical signs that there is an active pattern of functional overload.

Muscle pain in the jaw

Bruxism involves repetitive and prolonged contraction of the chewing muscles. This hyperactivity may cause muscle fatigue, pain on palpation and a feeling of tension or heaviness in the jaw region.

In more advanced cases, there may be limitation in opening the mouth or discomfort when chewing harder foods.

Overload of the temporomandibular joint (TMJ)

The temporomandibular joint is directly impacted by the excessive pressure exerted during bruxism. Continuous overload may contribute to inflammation, changes in the articular disc and the appearance of symptoms such as clicking, pain or locking.

When not assessed, this overload may progress to temporomandibular disorder (TMD), reinforcing the importance of an integrated functional diagnosis.

Can braces help with bruxism?

The answer is not absolute. Orthodontic braces are not, by themselves, a direct treatment for bruxism. However, they may have a relevant role when bruxism is associated with structural bite changes.

It is important to distinguish between two situations:

• When bruxism has a predominantly muscular or emotional origin;

• When there is an unstable occlusion contributing to functional overload.

In each scenario, the approach is different.

When orthodontic treatment may contribute

Orthodontic treatment may be beneficial when:

• There are significant dental misalignments;

• The bite is unstable or asymmetrical;

• There are premature contacts generating muscular compensations;

• The occlusion contributes to TMJ overload.

In these cases, by correcting tooth positioning and improving the fit between the upper and lower jaw, it is possible to promote a more balanced distribution of chewing forces. This functional reorganisation may reduce associated tension and improve related symptoms.

It is important, however, to understand that orthodontics acts on dental structure and occlusal balance — it does not directly eliminate the neuromuscular pattern of bruxism.

When braces are not enough

In many cases, bruxism is strongly related to factors such as:

• Stress and anxiety;

• Sleep disturbances;

• Involuntary muscular hyperactivity;

• Behavioural patterns.

In these situations, orthodontic treatment alone may not be sufficient to control the problem.

The approach may include:

• Stress management strategies;

• Specialised physiotherapy;

• Guidance to improve sleep quality;

• Multidisciplinary approach, when indicated.

The objective is not only to relieve symptoms, but to understand the origin of the functional overload.

The importance of functional diagnosis

Before starting any treatment, it is essential to carry out a detailed functional diagnosis.

At Dr. Cláudio Alferes’ clinic, the assessment includes:

• Analysis of occlusion and dental contacts;

• Evaluation of jaw movements;

• Muscle palpation and identification of tension points;

• Study of the relationship between muscles, joint and teeth;

• Complementary examinations, such as CBCT, when clinically indicated.

Based on this integrated analysis, it is possible to understand whether bruxism is associated with structural bite changes or whether it has a predominantly muscular and behavioural origin.

Only after this assessment is the most appropriate therapeutic strategy defined.

When do braces help with bruxism?

Braces may help with bruxism in specific situations, especially when there are occlusal changes contributing to muscular and joint overload.

However, bruxism is a complex and multifactorial condition. The solution does not lie in a single answer, but in a precise diagnosis that allows identification of the true origin of the problem.

If you present signs such as tooth wear, jaw pain, muscle tension or suspected teeth grinding during sleep, a specialised assessment may clarify your case and define the most appropriate approach.

Book a functional assessment consultation and obtain a treatment plan tailored to your needs.