Lips Together, Teeth Apart: The 30-Second Habit That Protects Your Teeth

Most people think of teeth grinding as something that happens only at night. Much of the damage, though, comes from daytime clenching: while driving, working at a screen or concentrating. One simple habit helps with both.

The rule: lips together, teeth apart

At rest, your lips should touch but your teeth should not. Your tongue rests lightly behind your upper front teeth and your jaw muscles stay soft. Teeth should only meet briefly when you chew or swallow.

How to build the habit

Check three times a day. Pick moments you already have: a red light, opening your laptop, before each meal. Ask yourself: are my teeth touching?

Use a small reminder. A dot sticker on your screen or phone case works well for the first two weeks.

Relax, then breathe. If you catch yourself clenching, let your jaw drop slightly, rest your tongue, and take one slow breath through your nose.

Why it matters

Constant clenching tires the jaw muscles and can lead to morning jaw pain, temple headaches, worn or chipped teeth, and broken crowns, veneers or implant restorations. Reducing daytime load is one of the first steps we recommend.

When to see a dentist

If you wake with a sore jaw, notice your teeth getting shorter, or your partner hears grinding at night, book an examination. A night guard protects your teeth while the causes are looked at. You can start with the 2-minute self-check.

Read more

This habit, a 30-day tracker and a night guard care guide are in my book, The Bruxism Solution, now on Amazon Kindle.

General information for patients. It does not replace an examination.