Nighttime Teeth Grinding, Clenching, and Morning Headaches: Connecting the Dots

Waking up with a headache can feel like a mystery, especially when you’re doing “all the right things” for your health. But if you start the day with sore cheekbones, tight temples, or a jaw that feels worked over, the real trigger may be happening while you sleep: teeth clenching and grinding. We sit down with Port St. Lucie dentist Dr. Stephen Blank to connect the dots between nighttime bruxism, TMJ stress, and the tension headaches that can quietly chip away at your mood, energy, and sleep quality.

We dig into what’s actually going on in the muscles and joints. Dr. Blank breaks down how the temporalis muscle at the temple and the masseter along the jaw can fatigue overnight, creating that “I was at the gym all night” feeling in the morning. We also talk about TMJ clicking and popping, what it can mean, and why many people never suspect their bite is involved. Then we get specific about common causes, from stress and overloaded schedules to bite interferences where one tooth hits first and the brain subconsciously tries to grind things into place. 

Finally, we cover practical dental solutions that can reduce headache frequency and protect your teeth. You’ll learn the difference between soft athletic mouth guards and a properly fitted hard bite appliance, why softness can make clenching worse for some people, and how a balanced bite can help your brain relax your jaw for deeper sleep. If you’ve been searching for answers about jaw pain, teeth grinding, TMJ symptoms, or morning headaches, this conversation will give you a clear next step. Subscribe, share this with a friend who wakes up in pain, and leave a review with your biggest question about clenching or headaches.

To learn more about Dr. Stephen Blank visit:
https://www.PSLdentist.com
Dr. Stephen Blank, DDS
184 NW Central Park Plaza 
Port St. Lucie, FL, 34986
772-878-7348  

Transcript

Welcome To The PSL Dentist Podcast

SPEAKER_00 0:03

Welcome to the PSL Dentist Podcast, where healthy smiles meet real talk. Hosted by Port St. Lucie's very own Dr. Stephen Blank, the one dentist who's been making the treasure coast smile for decades. From one visit crowns to clear aligners, Botox, and even lifting threads, yep, your dentist does that too. So sit back, open wide, not literally fleet. And get ready to sink your teeth into today's episode.

Why Jaw Clenching Causes Headaches

SPEAKER_02 0:35

Your morning headaches might actually start with what your jaw is doing at night. Welcome back, everyone. I'm Frederick, co-host and producer back in the studio with Dr. Stephen Blank, your Port St. Lucie dentist. Dr. Blank, how's your day going so far?

SPEAKER_01 0:50

It's wonderful. Great to be in the studio with you, Frederick.

SPEAKER_02 0:53

Yeah, it's always great to sit down with you. So today we're looking at the connection between clenching or grinding of the teeth and headaches. Can you tell us more about this?

SPEAKER_01 1:02

That's a good topic. So many people suffer from headaches and they just think this is part of their life. They just come to accept it, but they hate it. They have if they're having it more than once every week or two, if it's uh every day or a couple times a week, it actually interferes in their life. And if they're busy raising children, then they're grumpy to their children or their spouse. They're just not a happy person. But they don't always connect it with their teeth. In fact, most people don't. Even physicians that treat patients don't always realize the value of a healthy dental bite and how that might have something to do with the headaches. So a lot of patients will start the day with their face aching in their cheekbones, just under their eyes, or down to the side of the jaw, or up in the forehead area, um, kind of in the temple area. That's where a large muscle lives called the temporalis. That muscle has a little ligament that comes down and grabs a hold of the lower jaw and helps you close. So many people never collect connect anything above their eyeglasses to the thing down below, their mouth. And yet they are intimately connected. Headbone is connected to the neck bone, it's all one big thing. And if you're clenching at nighttime, when you're supposed to be at rest, normally at rest, our lips are touching lightly, we're breathing through our nose, and we're happy in the morning. We get good deep sleep. But if our mouth is not happy, if our mind is not at rest and our teeth are not good, our bodies will squeeze the teeth together. Lots of different reasons. But often we'll clench the teeth. If there's a bump in the bite, we'll try to smooth it out. But we don't think about this. We just do it. And in the morning, when you're supposed to wake up relaxed, it's like you've been at the gym all night long. And your muscles are fatigued, your cheekbones are sore, the big giant mastodor muscle on the side of your jaw that helps you bite down on a hard peanut or something like that, um, is fatigued. So you'll wake up with muscle spasms and tightness. In bad cases, the the temporomandibular joint, the TMJ, that sits just in front of your ear, uh, will click and pop because you've squeezed on that joint so much that the cartilage pops in and out of position. And so you open your mouth and you hear a crack or a pop sound, and it does that for a while. And sometimes it'll settle down over a long enough period of time, it doesn't settle down anymore. So these are all the things that can happen, and that's how we start our day. That's starting it on the wrong foot.

SPEAKER_02 3:40

Wow, yes. Uh yes, indeed.

Stress Cycles And Bite Problems

SPEAKER_02 3:43

So, my qu you mentioned that there are many different reasons why people may clench or grind. And my question to you is what are some of the top reasons you've seen why people clench and grind? And then in relation to that, how does the pressure from grinding translate into the tension headaches or the migraines?

SPEAKER_01 4:02

Yeah, that's really good. Um a lot of times these things happen in cycles. You get a lot of tension, then you can't sleep well, you don't sleep well, you clench your teeth, then you don't go to bed well. It just keeps snowballing. So there's lots of reasons why we might clench our teeth. Um, I like to think of it like a computer. You got a brain inside the head. That's the central processor. So if your teeth clench, your brain did it. You don't know that you did it. That's the subconscious part. Or you can think of that as like the memory that you're not busy using on your computer screen, but it's running in the background. So if we go to bed with a lot of things on our mind, if we have time to do six things in a day, but we have a schedule of 10 things in a day, we are not going to be a happy person. So managing our brain is an important one. As best we can lower our stress on our life, that's good. For some people, it means becoming more organized, writing things down so you don't have to go to bed trying to remember them in the morning. That's a real big tip that I tell a lot of patients, keep a notepad by your bed and just make some notes so if you have things, you don't have to have them on your mind when you're sleeping. Then we have the bite issue. Now we're talking dentistry again. So when we look at our bite, when my patients have their jaw centered in the socket in the back without any clicking or popping going on, and I gently guide their jaw closed, or if they do it on their own, all their teeth should touch simultaneously. If they close down and the tooth on the right bumps first, or the back tooth bumps first on both sides, and then to get all your teeth together, you gotta squeeze just a little more or move your jaw a little forward. That's not always a healthy centered position anymore. Now we have an interference in that path of closure. So if there's a tooth interference, that can stimulate your brain to want to clench and grind the teeth down a little bit. But you don't know that. You're not thinking about I need to mow my tooth down, but you do it. Sometimes when you're awake, sometimes when you're sleeping. So we check for these bite prematurities or interferences during our dental examination. We want to see do all the teeth meet in harmony. And when they do, that triggers the brain to say, ah, relax. The teeth touch, the jaw drops just slightly, the lips are still touching a little bit, but the muscles are at rest. That's a true rest position. That's what we want when we're sleeping.

SPEAKER_02 6:25

Wow, thanks so much for that. You talked about, I think you called it bite prematurances, and also you talked about clicking and popping in the jaws. Um, are there any other specific symptoms that help? Okay, so that's maybe on your side, the medical professional. Are there any other symptoms that help the patients recognize when headaches might be jaw-related?

Symptoms And Bite Interferences

SPEAKER_01 6:46

Often not. Some people will pick up on it. They'll say, Oh, I always bump this one tooth. And that may result in a tooth being sore or breaking a corner on a tooth if they clench on it often enough, especially if they were unlucky enough to have a big filling in the tooth before. I've seen patients break natural teeth with no fillings, but more often there's usually something that's been done in the past. So if they clench against the tooth with a big filling, especially the old silver fillings, they'll break a corner off sometimes. And they don't feel pain afterwards. Sometimes if it's a small one, if it's a big one, it'll hurt. But then they'll say, Oh, it doesn't bump anymore. Well, they got rid of that interference. So we call that an interference in the path of closure. Um, and there shouldn't be any. They should all meet in harmony, done. Um and uh so a lot of people ask me, how did my teeth get this way? They want to know, did their other dentists cause it? Did they just have bad luck? Uh, and it's a whole multitude of things. You can clench and grind your teeth or use your mouth a lot in excess, and you can wear the cartilage down in your joint. So if your joint on either side shrinks a little bit in size, all of a sudden your whole jaw moves up. Well, if your jaw moves up on just the right side, maybe the right molars touch first. So you bump on that side before the left side. But don't worry, your muscles will shift your jaw to the other side. Now you're not at rest anymore. You're busy working when you should be at rest. Or you might have had a filling that was done that's not quite right. Uh the bite is a little bit high on it, and it needs to be adjusted. Then you got another filling done on the other side, and then another one a couple of years later, and all of a sudden everything's just slightly off. Um, and then we also clench and grind just out of stress, and our muscles can push our teeth around in the jaw. So your teeth are not where they were five years ago. They're in a different position slightly. If we took a model of your tooth end and a model of your teeth now, and we compared them, they move. So teeth can move through the jaw bone over time, and our bite gets a little funny. So, for some of those patients, the the treatment is to diagnose that and then reshape

Night Guards That Actually Help

SPEAKER_01 8:55

the teeth slightly, and we call that equilibration. That's a procedure dentists do to get the bite back to even. There's other procedures if patients are just having a little bit of symptoms or a little clenching, we make bite appliances. Those are designed to go in the mouth at times that you clench. A lot of times it's nighttime, but for some of my patients, it's when they're in rush hour traffic. And everybody's different. Watching a scary movie, whatever it might be, that gets you uh fired up a little bit. And the goal of those appliances is to protect you from your own muscles. So the appliance takes the wear, the teeth don't get beat up as much, and then it also takes the fun out of clenching, so the muscles don't get quite as active. They clench a little bit less, or sometimes they stop completely.

SPEAKER_02 9:43

Wow, yeah. Thanks for that really detailed info. So you mentioned some bite appliances, and uh, I'm wondering if you can go into a little bit more detail. What are these bite appliances and how can night guards or these other bite uh dental appliances, such as bite appliances, help to reduce the headache frequency?

SPEAKER_01 10:00

That's a good question because there's some things that you can buy at the stores and they're all different types. So, like a mouth guard, like a football player wears, or anybody in active contact sports, those are more rubbery and soft. Those are great for protecting, you know, from trauma, from getting bopped in the chin and having a tooth crack in two, um, or getting hit in the front of the face like a boxer that you see them always putting those in in between the rounds. Um, those are soft and they protect you from that. Those are not great to wear at night. That's like having a big blob of chewing gum in your mouth. If you have a soft one in there and you're a clencher, you're gonna clenge into that and make your muscles even bigger. It's the opposite of what we want. We want the muscles relaxed and getting softer or smaller. So we make hard bite appliances most of the time. Uh they might have a little softer inner layer that just helps them stick to the teeth a little bit. We want them to stay in at night but easily removable with fingers. Um, and then we adjust the bite on that appliance so that when you close together, it feels pretty darn even and your brain just says, Okay, I can relax now. So that's the kind that we make. And that's the the thinking behind it is to get the patient relaxed and comfortable for a good night's sleep and less headaches.

Wrap Up And How To Book

SPEAKER_02 11:16

Yes, yes. Well, thank you so much for sharing your expertise on this and for helping us understand how clenching and grinding can lead to headaches. Uh, we appreciate your knowledge, your wisdom, and everyone else who's tuning in at home. Thanks for joining us, and we'll see y'all again next time.

SPEAKER_01 11:31

Thank you, Frederick. Have a wonderful day.

SPEAKER_00 11:36

That's a wrap for the PSL Dentist Podcast, where smiles are brighter and laughter always cavity-free. To keep your smile in shape, call 772-878-7348 or visit psldentist.com to schedule your appointment with Dr. Stephen Blank, the one stop doc for smiles, beauty, and everything in between. Until next time, keep flossing, keep smiling, and keep listening.