What Causes Teeth Grinding While You Sleep?

Waking up with a sore jaw or a dull headache can throw off your whole day. Maybe your teeth feel sensitive, or your partner says they hear you grinding at night. Teeth grinding, also known as bruxism, is common, but that doesn’t mean it’s harmless.

At Soft Touch Dentistry in Brighton and Newton, Massachusetts, Dr. Nazila Bidabadi leads an experienced team focused on diagnosing and treating bite and muscle concerns. A clinical instructor at Harvard University School of Dental Medicine for over a decade and a Boston University graduate, she works alongside Dr. Jacqueline Jacobson, DMD, and Dr. Mingfang Su, DMD, to provide comprehensive care for you when something feels off.

Common Causes of Bruxism

Because bruxism happens unconsciously, many people do not realize they are doing it. Over time, this pressure can wear down enamel, strain your jaw muscles, and irritate the temporomandibular joints.

Understanding these causes of teeth grinding can help you figure out what may be triggering your symptoms:

Stress and anxiety are some of the most common causes of bruxism. When you carry tension during the day, it can show up at night through clenching and grinding.
Sleep disorders such as sleep apnea may also play a role. Research shows a connection between disrupted breathing patterns and nighttime grinding.
Bite misalignment is another factor. When your upper and lower teeth do not fit together properly, your jaw muscles may overcompensate.
Lifestyle habits, including caffeine and alcohol, can increase muscle activity during sleep.

In some cases, TMJ symptoms develop alongside grinding, creating a cycle of pain and tension.

Signs You May Be Grinding Your Teeth

Bruxism symptoms are not always obvious. You might notice jaw soreness in the morning, frequent headaches, or tooth sensitivity. Teeth can appear flattened, chipped, or worn down. Some people hear clicking in the jaw or feel tightness when opening their mouth.

How Soft Touch Dentistry Can Help

A proper evaluation can identify the cause of your teeth grinding at night. Custom night guards protect your teeth while reducing muscle strain. Dr. Bidabadi works closely with specialists like Dr. Jacqueline Jacobson, DMD, and Dr. Mingfang Su, DMD, to ensure comprehensive care when needed.

Protect your smile and your comfort by scheduling an evaluation at Soft Touch Dentistry. Call the Brighton office at 617-782-9250 or the Newton office at 617-332-8146 to book your appointment.