When a patient cracks a molar that had no decay in it, teeth grinding Pinellas Park dentists call bruxism is near the top of our list of suspects. It is one of those conditions where the damage arrives long before the diagnosis, because almost nobody knows they are doing it.

We usually find it before the patient does. Flat, glassy wear on the biting surfaces, hairline cracks running across a molar, fillings that keep failing on the same tooth. None of it hurts, so none of it gets reported.

What teeth grinding does inside your mouth

Chewing is short bursts of moderate force with plenty of feedback telling you to stop. Grinding is the opposite: long, heavy, sideways force with no feedback at all, because you are asleep.

The damage lands in three places.

Enamel. It wears flat and it does not come back. Once the outer layer thins, the softer layer underneath goes much faster, so the teeth look shorter and more yellow and get noticeably more sensitive to cold. If sensitivity is your main complaint, our guide to tooth sensitivity relief is worth a read for the other causes.

Existing dental work. Crowns, fillings and bridges are strong but they are bonded to tooth. Repeated lateral force works at those margins. This is a leading reason restorations fail early rather than lasting their full expected life.

The teeth themselves. A back tooth with a large old filling and a nightly grinding habit is the classic cracked-tooth candidate. When one splits, the repair jumps from a simple filling to a crown, and if the crack reaches the nerve, to a root canal as well. Our post on what to do if you chip or crack a tooth walks through the immediate steps.

Your jaw joints and chewing muscles absorb the rest, which is where the morning headaches, the earache with no ear infection and the jaw that clicks come from.

Signs of teeth grinding worth paying attention to

• A jaw that feels tight or tired when you wake, and loosens through the morning.
• Headaches at the temples, present on waking rather than building through the day.
• Cold sensitivity in the back teeth with nothing visible on an x-ray.
• Small chips along the edges of the front teeth.
• A partner who has mentioned the noise.

Daytime clenching counts as well and is easier to fix. Teeth at rest should barely touch. A lot of us hold them clamped while driving, concentrating or scrolling and never notice.

How a night guard protects against grinding damage

A custom night guard does not stop the grinding. The habit lives in your nervous system, not your teeth. What it does is take the force instead of your enamel, so a replaceable piece of acrylic wears down rather than teeth you cannot replace. It also gives the muscles less to brace against, which is why morning jaw soreness often eases within a couple of weeks.

A guard made from impressions of your mouth is a different object from a drugstore boil-and-bite. The over-the-counter ones are bulky, frequently too soft, and a soft guard can encourage more chewing rather than less. They also ignore how your bite actually meets, and a guard that fits badly can shift teeth over months. If cost is the hesitation, ask us about the dental savings plan or our current special offers. A guard is a fraction of what the crown it prevents will run.

Habits that reduce grinding and jaw pain

• Caffeine and alcohol both make nighttime grinding worse. An earlier caffeine cutoff helps more than most people expect.
• Untreated snoring and sleep apnea are closely linked to bruxism. If you snore heavily or wake unrested, mention it to your physician.
• Moist heat on the jaw muscles in the morning, plus consciously letting your teeth part during the day.
• Genuine stress reduction, whatever form that takes for you. It is the underlying driver for a large share of cases.

Have your bite checked by a Pinellas Park dentist

If you wake with a sore jaw, or you have chipped a tooth and cannot account for it, get the wear pattern looked at before a molar makes the decision for you. Call 727-291-0220 or schedule a visit and Dr. Brianne Wade will check the wear, the bite and the muscles and tell you honestly whether you need a guard now or a recheck in six months.

We are at 4326 Park Boulevard North, Suite A, just west of US 19, and we see patients from Pinellas Park, Kenneth City, Lealman and the surrounding mid-county neighborhoods.