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Dentists spend their careers helping people protect their teeth, so it’s no surprise they’re extra cautious about what goes in their own mouths. While brushing and flossing are essential, everyday habits also play a big role in maintaining oral health. Some objects and foods may seem harmless, but they can actually chip enamel, damage gums, or even lead to a dental emergency.
If you want to keep your smile strong and healthy, here are a few things your dentist would never put in their mouth—and you shouldn’t either.
1. Ice Cubes
Chewing on ice might seem like a harmless habit, especially on a hot day, but dentists know better. Ice is hard enough to crack enamel or damage fillings and crowns. The sudden change in temperature can also make teeth more brittle, increasing the risk of chips or fractures.
Instead of chewing ice, try sipping cold water or using crushed ice if you’re craving that refreshing crunch.
2. Fingernails
Nail biting doesn’t just harm your nails—it’s rough on your teeth, too. This habit can cause small cracks in enamel, wear down tooth edges, and introduce harmful bacteria into your mouth. Over time, it can even shift your teeth out of alignment or cause jaw strain.
Dentists recommend keeping nails trimmed and finding other stress-relief methods, such as using a fidget toy or chewing sugar-free gum.
3. Bottle Caps or Packaging
Using your teeth to open bottles, tear tape, or rip open plastic packaging might feel convenient in the moment, but it’s one of the quickest ways to end up with a broken tooth. Your teeth are strong, but they’re not tools. The leverage and force needed to open these items can easily cause chips, fractures, or even knock a tooth loose.
Keep scissors or a bottle opener handy instead—your smile will thank you.
4. Non-Food Items (Like Pens or Jewelry)
Do you absentmindedly chew on pens, pencils, or even jewelry? Dentists steer clear of this habit because it can wear down enamel and irritate soft tissues inside the mouth. Biting on hard objects also puts pressure on your jaw, which may lead to soreness or temporomandibular joint (TMJ) discomfort.
If you tend to fidget, try holding something soft in your hand instead of putting it between your teeth.
5. Hard or Sticky Candies
Sweets are okay in moderation, but hard and sticky candies top every dentist’s “do not eat” list. Lollipops, caramels, and taffy can cling to your teeth and feed cavity-causing bacteria. Hard candies, on the other hand, can crack enamel or damage dental restorations if you bite down too soon.
When you’re craving something sweet, go for a small piece of chocolate—it melts easily and doesn’t stick to your teeth.
6. Foreign Objects During DIY Projects
Believe it or not, some people hold nails, screws, or sewing pins between their lips while working. Dentists avoid this at all costs because one slip can result in a swallowed or inhaled object, leading to a medical emergency. It’s safer to set these items down nearby or use a tool designed for holding small pieces.
Protecting Your Smile Is About More Than Brushing
A healthy mouth starts with smart habits. Avoiding these common pitfalls can protect your enamel, gums, and dental work for years to come. If an accident does happen, don’t wait—your dentist can help repair damage and prevent further complications.
About the Practice
At Rosen Dental, patients receive expert care focused on prevention, comfort, and long-term oral health. Dr. Rosen and our friendly team offer comprehensive dental services, including emergency care, to keep every smile strong and healthy. Whether you need routine cleanings or urgent treatment, you can count on Rosen Dental for compassionate, personalized care.
Call us at (773) 248-6140 or request an appointment online.