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Why Grinding Your Teeth Can Make You Look Older

April 3, 2025

Filed under: Uncategorized — bridgemill @ 4:00 pm
Woman grinding her teeth in her sleep.

When it comes to aging, most people focus on skincare routines, sun protection, and perhaps a bit of cosmetic enhancement. But there’s one hidden factor that could be aging your appearance faster than you realize: teeth grinding, also known as bruxism. Bruxism is the involuntary grinding or clenching of teeth, often during sleep. While it may seem like a harmless habit or just a response to stress, grinding your teeth can lead to subtle but noticeable changes in your face that make you look older than you are.

How Grinding Affects Facial Structure

Your teeth play a crucial role in maintaining the structure of your face. When teeth are worn down by chronic grinding, they lose height and volume. This loss changes the way your jaw aligns and how your facial muscles engage. As a result, the lower half of the face can begin to collapse inward, creating a sunken look or a shorter, squarer facial profile.

Over time, this can lead to:

  • Flattened or chipped teeth: Worn-down teeth reflect light differently and lack the natural contour that gives a youthful smile.
  • A sagging jawline: With less support from the teeth, the jawline may become less defined.
  • Wrinkles and fine lines: Repetitive grinding can cause overdevelopment of the jaw muscles, leading to tension in the lower face and even contributing to wrinkles around the mouth and chin.
  • Changes in bite: An altered bite can affect the balance of facial muscles and bone structure, which may accelerate visible signs of aging.

Muscle Tension and a Tired Look

Bruxism also causes ongoing muscle tension in the jaw, neck, and face. This not only leads to physical discomfort but can give your face a tired, tense, or hardened appearance. Chronic clenching can enlarge the jaw muscles, which might create a wider or more angular jaw that some find to be aesthetically unbalanced, especially in women, where a softer jawline is often associated with youth.

Additionally, people who grind their teeth often wake up with facial pain, headaches, or tightness, which over time can contribute to a worn, fatigued look.

Secondary Effects: Dental Wear and Aging

Tooth enamel doesn’t regenerate, so when grinding erodes it, teeth become more susceptible to decay and discoloration. Worn teeth may appear yellow or misshapen, which can be aging in itself. A healthy, bright smile is one of the key markers of youth. When that begins to deteriorate, so does the perception of vitality.

What You Can Do

The good news? Bruxism is treatable. Here are a few steps to help prevent it from affecting your appearance:

  • Wear a night guard: Custom dental guards can protect your teeth while you sleep.
  • Manage stress: Stress is a major trigger for grinding. Meditation, exercise, and therapy can help.
  • Botox for the jaw: In some cases, small doses of Botox injected into the jaw muscles can reduce tension and minimize overdevelopment.
  • Regular dental care: See your dentist regularly to monitor wear and explore cosmetic options if needed.

Grinding your teeth might seem like a minor issue, but its effects on your face and smile can make you look older over time. By catching it early and taking proactive steps, you can protect not only your teeth, but your youthful appearance, too.

About the Practice

At BridgeMill Dental Care, we welcome both adults and children to have their dental needs met in a modern office with comfortable amenities. Our preventive services include checkups and cleanings, oral cancer screening, nightguards for grinding, and more! If you need to make one of your semi-annual trips to the dentist, schedule your appointment with us through our website or call our Indian Land office at (803) 650-3925.