Do you wake up with a sore jaw, tension headaches, or worn-down teeth — but aren’t sure why? You could be grinding your teeth in your sleep, a condition known as bruxism. In many cases, nighttime teeth grinding is more than just a dental issue — it may be linked to obstructive sleep apnea (OSA), a potentially serious sleep disorder.
At Espire Dental, we help patients identify and treat the root cause of their grinding so they can sleep better and protect their smiles.
What Is Bruxism — and How Is It Related to Sleep Apnea?
Bruxism refers to the involuntary grinding or clenching of teeth, often during sleep. While it can be caused by stress, misalignment of the jaw, or certain medications, studies have shown that it’s also commonly linked to sleep apnea.
The National Sleep Foundation estimates that one in four people with sleep apnea also experience bruxism.
Here’s why:
When the airway becomes blocked during sleep, the brain senses the drop in oxygen and sends out stress signals. In response, the jaw muscles contract—causing the teeth to grind against each other. This grinding may be the body’s attempt to reopen the airway and keep air flowing freely.
Other triggers like snoring or hypopnea (partial airway blockage) can have the same effect, leading the brain to activate the jaw in a subconscious effort to keep breathing steady.
Signs You May Be Grinding Your Teeth at Night
Because bruxism happens during sleep, many people don’t realize they’re doing it. Here are some common symptoms that may point to nighttime grinding:
- Sore jaw muscles in the morning
- Headaches, especially near the temples
- Flattened, chipped, or cracked teeth
- Increased tooth sensitivity
- Loose or shifting teeth
- Disrupted sleep or daytime fatigue
Your dentist may be the first to notice the signs during a routine check-up — such as worn-down enamel or unexplained tooth damage.
Treatment Options for Bruxism and Sleep Apnea
For Bruxism Without Sleep Apnea
If your grinding isn’t related to sleep apnea, your dentist may recommend a custom night guard to protect your teeth while you sleep. These oral appliances cushion your bite and prevent further wear and tear on your enamel.
For Bruxism Linked to Sleep Apnea
If sleep apnea is contributing to your grinding, it’s essential to treat the root cause. You may be referred for a sleep study or home sleep apnea test to confirm the diagnosis.
Common treatment options include:
- CPAP (Continuous Positive Airway Pressure): A CPAP machine uses a mask to deliver steady air pressure through your airway while you sleep, helping reduce apnea episodes — and often minimizing teeth grinding as a result.
- Oral Appliance Therapy: A less bulky alternative to CPAP, a custom jaw positioning device can help keep your airway open by gently shifting the lower jaw forward, improving airflow and reducing both snoring and grinding.
Why It Matters
Untreated sleep apnea and bruxism can take a toll on your health and quality of life. These conditions are associated with:
- Chronic fatigue and poor sleep quality
- Trouble focusing during the day
- Increased risk of high blood pressure and cardiovascular issues
- Jaw disorders and long-term dental damage
Let Espire Dental Help You Sleep Better and Smile Brighter
At Espire Dental, we treat a wide range of dental issues — including bruxism, clenching, and grinding — and we work closely with sleep specialists when sleep apnea is a factor.
If you suspect you’re grinding your teeth or experiencing symptoms of sleep apnea, don’t wait. Book an appointment with our team to get the care you need for a healthier smile — and a better night’s sleep.
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