Can Malocclusion Affect Your Sleep Quality? - Dentistry

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Can malocclusion affect sleep?


Can malocclusion affect sleep? I didn't have any issues when I was younger, but now that I'm older, I do.
I personally believe my malocclusion isn't very severe; my lower jaw is slightly shifted to the right.

Jason, 20~29 year old female. Ask Date: 2023/08/14

Dr. Lin Jiayong reply Dentistry


Hello, malocclusion can affect sleep, and individuals will likely be aware of it.
Common manifestations include waking up with soreness in the temporomandibular joint, teeth grinding leading to tooth damage and sensitivity, bite marks or bruising on the cheeks or tongue, and in severe cases, symptoms such as snoring, sleep apnea, and soreness from the temples down to the shoulder area.

Reply Date: 2023/08/14

More Info


Malocclusion, or misalignment of the teeth and jaws, can indeed affect sleep quality, although the relationship may not be immediately obvious. As you mentioned, you did not experience any issues with your bite when you were younger, but as you grow older, the effects of malocclusion can become more pronounced.
Firstly, malocclusion can lead to various dental and jaw-related problems, such as temporomandibular joint (TMJ) disorders. TMJ disorders can cause pain in the jaw, headaches, and discomfort, which can interfere with your ability to fall asleep or stay asleep. The discomfort from jaw pain may lead to frequent awakenings during the night, resulting in fragmented sleep. Additionally, if you grind your teeth (a condition known as bruxism), which is often associated with malocclusion, this can further disrupt your sleep and lead to morning headaches or jaw soreness.

Moreover, malocclusion can contribute to obstructive sleep apnea (OSA), a condition where the airway becomes blocked during sleep, leading to pauses in breathing. While not everyone with malocclusion will develop OSA, certain types of misalignment can increase the risk. For instance, if the upper and lower jaws do not align properly, it may lead to a narrowing of the airway, making it more difficult to breathe during sleep. This can result in poor sleep quality, excessive daytime sleepiness, and other health issues.

In terms of your specific situation, you mentioned that your lower jaw is slightly misaligned to the right. While this may not seem severe, even minor misalignments can have cumulative effects over time. It is also worth noting that the body’s response to stress and discomfort can vary from person to person. Some individuals may not notice significant sleep disturbances, while others may be more sensitive to the effects of malocclusion.

To address your concerns, it may be beneficial to consult with a dental professional, such as an orthodontist or a dentist specializing in sleep medicine. They can evaluate your bite and determine if any treatment is necessary. Treatment options may include orthodontic interventions, dental appliances, or other therapies aimed at improving jaw alignment and reducing associated symptoms.

In addition to seeking professional advice, consider implementing good sleep hygiene practices. This includes maintaining a consistent sleep schedule, creating a comfortable sleep environment, and managing stress levels. If you suspect that your sleep quality is being affected by malocclusion or related issues, addressing these factors holistically can lead to improvements in both your dental health and sleep quality.

In conclusion, while malocclusion may not be the sole cause of sleep disturbances, it can certainly play a role in affecting sleep quality. By understanding the potential connections and seeking appropriate care, you can work towards improving both your dental health and your overall sleep experience.

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