Night Guard for Teeth Grinding: How to Choose, Care for and Replace Yours r jaw feels tight before you're even fully awake. There's a faint headache creeping in, and your teeth feel oddly sensitive when you sip your morning coffee. If mornings like this keep repeating, a night guard for teeth grinding is often the simplest fix, and one a lot of people put off far longer than they should. Teeth grinding rarely announces itself directly. It happens while you're asleep, so most people only notice the aftermath, sore muscles, worn enamel, or a partner complaining about the noise. Understanding why it happens and how to protect your teeth, with guidance from a trusted dentist in Calgary , can spare you from bigger dental problems down the road. What Is Bruxism and Why Does It Happen? Bruxism is simply the clinical name for grinding or clenching teeth, most often during sleep. It's not always tied to one single cause. Stress and anxiety are frequent contributors, but misalig...