Jaw pain in the morning: TMJ signs and when to see a dentist
Waking up with a sore or tired jaw is more common than many people realise. Some notice a dull ache near the ears, some feel stiffness when they first open wide, and some wake with a headache around the temples. Often it settles as the day goes on, which makes it easy to ignore.
This article explains why jaw discomfort can be worse first thing in the morning, which signs are worth paying attention to, what you can safely try at home, and when it makes sense to have your jaw looked at.
What is the TMJ?
TMJ stands for temporomandibular joint. You have two of them, one on each side of your head, just in front of your ears. They connect your lower jaw to your skull and let you open, close and move your jaw side to side when you talk, chew and yawn.
When the joints or the chewing muscles around them are not working comfortably, the problem is often called a temporomandibular disorder, or TMD. Many people simply call it “TMJ”. Our page on TMJ and TMD therapy has an overview of the joint and common causes.
Why does my jaw hurt more when I wake up?
One common reason is clenching or grinding your teeth while you sleep. This is sometimes called sleep bruxism. Most people have no idea they do it, because it happens while they are asleep. A partner may hear grinding at night, or a dentist may notice signs of it on the teeth.
Clenching works the jaw muscles for long stretches without rest. Much like any muscle that has been overworked, they can feel tight, sore or tired afterwards. Because this happens overnight, the discomfort is often strongest in the morning and eases as the muscles relax during the day.
Stress is often linked with clenching, both at night and during the day. The exact cause is not always clear, and it is often a combination of factors.
What other signs can point to a jaw joint problem?
Morning soreness is only one possible sign. Others include:
- Aching in or around the ear, jaw, face or temples
- Tenderness in the jaw muscles when you touch them
- Headaches, particularly around the temples
- Stiffness, or difficulty opening your mouth fully
- The jaw catching or briefly locking open or closed
- Clicking, popping or grating sounds when you open or chew
- Teeth that look worn, chipped or flattened, or feel sensitive
A click on its own, with no pain and no trouble moving your jaw, is common and does not always need treatment. Let us know about it at your next visit so we can keep an eye on it.
What can I do at home to ease jaw pain?
For mild jaw discomfort, simple self-care is widely recommended as a first step. These measures are gentle and easy to stop if they do not help:
- Rest the jaw. Choose softer foods for a while, cut food into small pieces, and avoid gum, tough or very chewy foods.
- Warm or cold compress. A warm or cool compress on the sore side for a short time can ease tight muscles. Use whichever feels better for you.
- Gentle massage. Lightly massaging the jaw and temple muscles can help them relax.
- Avoid wide opening. Try to support your jaw when you yawn and avoid opening very wide.
- Notice daytime clenching. Many people clench while concentrating, driving or at a screen. A useful reminder is “lips together, teeth apart”, with the jaw relaxed.
- Look at habits. Nail biting, chewing on pens and resting your chin on your hand can all add strain.
- Manage stress where you can. Regular activity, relaxation and good sleep habits may help reduce clenching.
If you are thinking about pain medication, ask your pharmacist, physician or dentist what is suitable for you.
When should I see a dentist about jaw pain?
It is a good idea to book a dental assessment if:
- Jaw pain or morning soreness keeps coming back, or lasts more than a couple of weeks
- Self-care is not helping, or the pain is getting worse
- Your jaw catches, locks, or opening your mouth is difficult
- You wake with headaches or sore teeth on a regular basis
- Someone has told you that you grind your teeth at night
- Your teeth look worn, chipped or cracked, or a filling has broken
Tooth problems can also cause pain that feels like it is coming from the jaw, so a dental check helps sort out where the pain is actually starting.
What happens at a dental assessment for jaw pain?
Your dentist will usually start by asking about your symptoms: when the pain happens, where you feel it, how long it has been going on, and whether anything makes it better or worse. Questions about sleep, stress and daily habits are part of the picture.
The examination typically includes gently feeling the jaw joints and the chewing muscles, watching how your jaw opens and moves, listening for joint sounds, and checking your teeth and bite for signs of wear or damage. X-rays or other images may be recommended in some cases.
Depending on what is found, your dentist may suggest self-care steps, a follow-up visit to see how things change, or a custom night guard. A night guard is a thin appliance worn over the teeth during sleep. It is designed to protect the teeth from grinding and may help reduce strain on the jaw muscles for some people. Your dentist will explain whether it suits your situation. You can read more about how we approach TMJ and TMD therapy in Barrie.
When might I be referred to a physician or another provider?
Jaw pain can have many causes, and some are better looked after by someone other than a dentist. Your dentist may suggest you see your family physician, or refer you to another health professional, if for example:
- The pain seems linked to an ear, sinus or other medical condition
- You have joint pain elsewhere in your body, or a condition such as arthritis
- Your jaw pain started after an injury to the face or jaw
- There are signs your sleep or breathing at night should be looked at, such as loud snoring or pauses in breathing noticed by a partner
- Frequent headaches need a medical assessment
Some people also benefit from working with a physiotherapist or another provider on jaw muscle exercises or stress. We will refer you when a specialist’s care is needed.
Seek emergency care right away if jaw pain comes with chest pain, shortness of breath or pain spreading to the arm, or if you have facial swelling with fever or difficulty swallowing or breathing. Call 911 in an emergency.
Frequently asked questions
Does TMJ pain go away on its own?
For many people, jaw muscle pain improves with time and simple, conservative care. How long it lasts varies from person to person, and your dentist can talk through what to expect in your case.
Is a store-bought mouthguard the same as a night guard?
Not quite. Store-bought guards are made mainly for sports and are not fitted to your bite. A night guard for grinding is custom made from impressions or a scan of your teeth. Ask your dentist before using an over-the-counter guard for night-time grinding.
Book a jaw pain assessment in Barrie
If your jaw is sore when you wake up, or you think you may be clenching or grinding, we can take a look. Call Barrie Heights Family Dentistry at (705) 730-0721, or request an appointment online.