woman biting nails, a habit that hurts teeth

8 Everyday Habits That Might Be Hurting Your Teeth

September 5, 2025 9:00 am

Taking care of your teeth isn’t just about brushing and flossing. Daily routines—the little quirks and habits you don’t think much about—can have a big impact on your smile. Some of them seem harmless, even comforting, but over time they can quietly cause damage. Let’s dig into eight common habits and how they might be affecting your teeth.

    1. Chewing Ice

    It’s hot outside, the drink is gone, and suddenly those leftover cubes look tempting. Crunching ice feels harmless, but enamel doesn’t love the pressure. Over time, that refreshing crunch can lead to tiny cracks that weaken teeth. A chip here or a sensitivity there often starts with something as simple as an ice-chewing habit.

    2. Brushing Too Hard

    We’ve all had the thought—if brushing is good, brushing harder must be better, right? Not quite. Aggressive brushing can wear down enamel and make gums recede, leaving teeth more sensitive. Think of brushing less like scrubbing floors and more like massaging your teeth. Gentle circles with a soft-bristled brush go a long way.

    3. Sipping Coffee All Day

    A cup of coffee in the morning is one thing. But when that mug keeps getting refilled all day, teeth are exposed to acids and dark pigments nonstop. That’s a recipe for staining and enamel erosion. Enjoying coffee in one sitting, then rinsing with water afterward, is kinder to your smile.

    4. Using Teeth as Tools

    Package won’t open? Keys are across the room? Teeth shouldn’t be the stand-in. Using them to rip, twist, or crack puts unnecessary stress on enamel. One wrong move and you’ve chipped a tooth or damaged dental work. Keep the scissors handy—your teeth deserve better than bottle-cap duty.

    5. Skipping Floss

    Flossing often gets overlooked, yet it’s the only way to clear out the tight spaces your toothbrush can’t reach. Without it, plaque builds, gums get irritated, and cavities sneak in between teeth. It may feel like a chore, but flossing is two minutes that can save you from costly repairs down the line.

    6. Grinding or Clenching

    Stress, sleep, or even habit can make people clench their jaws or grind their teeth without realizing it. The result? Flattened enamel, morning headaches, and sore jaws. A custom nightguard or some stress-relief strategies can give both your teeth and your jaw a much-needed break.

    7. Constantly Sipping Sugary Drinks

    Sweet tea, soda, sports drinks—they may taste great, but sipping them all day keeps sugar and acid bathing your teeth. That constant exposure is what fuels cavities. If you enjoy them, try to drink them with meals and give your teeth a break in between.

    8. Biting Your Nails

    It usually starts without you even noticing—during a long drive, a stressful day, or while scrolling on your phone. Nail biting might feel harmless, but your teeth end up doing the work your fingernail clippers should be doing. That constant pressure can chip enamel, crack fillings, and strain your jaw.

    There’s another angle too—your nails and hands carry bacteria, which sneak into your mouth when you bite. Over time, that can irritate gums and increase your risk for infection. Breaking the habit isn’t always easy, but your teeth will thank you.

Protecting Your Smile in Beaufort With Dr. Louis Costa III

At Beaufort Center for Dentistry, Dr. Louis Costa III knows that habits—good and bad—add up over time. If you recognize yourself in a few of these, don’t worry. Small changes can make a huge difference in keeping your teeth healthy.

From enamel wear to coffee stains, our Beaufort, SC team helps patients spot trouble early and keep their smiles strong. Call Beaufort Center for Dentistry today to schedule your visit and take a step toward protecting your teeth for years to come.

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