23rd April 2023

Is Teeth Grinding Genetic? - An Interesting Case Study

Last Modified: May 4, 2023

The Genetic Factors Involved In the Development of Bruxism

Bruxism, or teeth grinding, is a complex condition that can have many causes, including genetic factors. Studies have shown that there is a hereditary component to Bruxism, meaning that it can be passed down from parents to their children.

One study published in the National Library of Medicine found that there was a significant association between Bruxism and a family history of the condition. The study found that 21-50% of individuals with Bruxism had a first-degree relative who also suffered from the condition.

Twin Studies and Heritability of Bruxism

Twin studies have been conducted to explore the heritability of Bruxism. These studies have found that genetic factors may play a role in the development of the condition. For example, a study of twins in Finland found that genetic factors accounted for 52% of the variance in Bruxism prevalence. Another study of twins in Sweden found that monozygotic twins have a statistically significant higher frequency of the same facet pattern than do dizygotic twins. Essentially identical twins are much more likely to have the same conditions and illnesses.

While these findings suggest that genetics may contribute to the development of Bruxism, environmental factors also play a role. The interplay between genetics and environmental factors in the development of Bruxism is complex and requires further research to fully understand.

two teenage twins

Environmental Factors that Influence Teeth Grinding in Genetically Predisposed Individuals

While genetics play a significant role in the development of Bruxism, environmental factors can also contribute to the onset of teeth grinding in individuals who are genetically predisposed to the condition. You can read more about them here.

This article was read and reviewed by the face of DR Aesthetica himself - DR Baldeep Farmah.

Can Genetic Testing Help Identify the Risk of Teeth Grinding?

Genetic testing is not currently available to identify the risk of teeth grinding, as there are likely many genes involved in the development of Bruxism and it is a complex trait influenced by both genetic and environmental factors. Yet, as research into the genetic basis of Bruxism advances, it may become possible to develop genetic tests to identify individuals at risk for developing the condition. Currently, diagnosis of Bruxism is based on a clinical examination by a dental professional, and treatment options are focused on managing symptoms and addressing underlying causes such as stress or dental issues.

Prevention and Treatment Strategies for Teeth Grinding

To prevent Bruxism make sure to reduce stress as Bruxism is often caused by stress and anxiety. Try to reduce stress in your life by practicing relaxation techniques such as deep breathing exercises, yoga, and meditation. Also, avoid alcohol and caffeine as they increase muscle activity in the jaw which can lead to you developing Bruxism.

You can view a list of potential treatments for Bruxism here.

However do you Want a treatment that:

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Post Reviewed by: Dr Baldeep Farmah
Medically Reviewed on: 23rd April 2023
Dr Baldeep Farmah is the Medical Director and lead Doctor of Dr Aesthetica, a Medical Aesthetic Clinic.

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