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How to Keep Your Teeth Healthy and White: 7 Simple Tips from Your Dentist

Writer: Dr. Christopher Newman, DMD
Dr. Christopher Newman, DMD
Jul 9
4 min read
Mother and daughter brushing their teeth together in a bright bathroom to help keep their smiles healthy and naturally white.

Everyone loves the look of a bright smile, but healthy teeth are even more important than perfectly white ones. In fact, natural teeth come in a variety of shades, and not everyone's smile is meant to be brilliant white.


The good news is that the same habits that keep your teeth healthy also help reduce staining and keep your smile looking its best. By making a few simple choices every day, you can protect your oral health while maintaining a naturally brighter smile.


Here are seven recommendations we give our patients at Columbia Smile Center.


1. Brush Twice Every Day

Brushing your teeth is the foundation of good oral health. Brush for two full minutes every morning and every evening using a soft-bristled toothbrush and fluoride toothpaste. Brushing removes plaque, bacteria, and food particles before they have the chance to cause cavities or stain your teeth.


Don't forget to replace your toothbrush every three to four months, or sooner if the bristles become worn.


2. Don't Skip Flossing

Even the best toothbrush can't clean between your teeth.


Flossing removes plaque and food debris from areas your toothbrush can't reach. If plaque is left behind, it can harden into tartar, increasing your risk of cavities, gum disease, and discoloration.


Making flossing part of your nightly routine is one of the easiest ways to keep your smile healthy.


Young man smiling with healthy teeth

3. Watch What You Eat and Drink

Certain foods and beverages are known to stain teeth over time. Some of the biggest culprits include:

  • Coffee

  • Tea

  • Red wine

  • Dark sodas

  • Tomato-based sauces

  • Soy sauce

  • Berries


You don't have to avoid these foods completely. Instead, try drinking water afterward to help rinse away pigments before they settle on your enamel. Using a straw for iced coffee or other dark beverages may also reduce staining.


4. Avoid Tobacco Products

Smoking and other tobacco products are among the leading causes of yellow or brown tooth stains.


Tobacco also significantly increases your risk of:

  • Gum disease

  • Tooth loss

  • Delayed healing after dental procedures

  • Oral cancer


Quitting tobacco is one of the best decisions you can make for both your smile and your overall health.


5. Choose Foods That Support Healthy Teeth

Some foods actually help protect your teeth. Try including more:

  • Cheese

  • Yogurt

  • Leafy green vegetables

  • Apples

  • Carrots

  • Celery

  • Almonds


These foods encourage saliva production, which naturally helps wash away bacteria and neutralize acids in your mouth. A balanced diet also provides important vitamins and minerals that help keep your teeth and gums strong.


Woman with healthy white teeth at Columbia Smile Center

6. Schedule Regular Dental Cleanings

Even if you brush and floss perfectly, plaque can harden into tartar over time.


Professional dental cleanings remove tartar that simply can't be removed at home. Cleanings also polish away many surface stains, helping your smile appear brighter while allowing your dentist to detect small problems before they become larger ones.


Most patients benefit from visiting the dentist every six months, although some may need more frequent cleanings depending on their oral health.


7. Talk to Your Dentist About Whitening

If you've developed stains that brushing alone can't remove, professional teeth whitening may be a good option.


Unlike many over-the-counter whitening products, professional whitening treatments are customized to your smile and can often produce more noticeable, predictable results.


Before whitening, your dentist will make sure your teeth and gums are healthy enough for treatment and discuss which option is best for your goals.


Healthy Teeth Don't Have to Be Perfectly White

One of the biggest misconceptions about dentistry is that healthy teeth should always be bright white.


In reality, everyone's enamel has a slightly different natural shade. Some people naturally have teeth that appear a little more ivory or cream-colored, and that's perfectly normal.


Rather than chasing an unrealistic shade of white, focus on keeping your teeth healthy, clean, and free of disease. A healthy smile is always beautiful.


Frequently Asked Questions

Some discoloration is completely natural. Your enamel becomes thinner over time, allowing the yellowish dentin underneath to show through. Coffee, tea, tobacco, and certain foods can also contribute to staining.
Whitening toothpastes can help remove some surface stains, but they won't dramatically change the natural color of your teeth or whiten deeper stains.
Most people should schedule a professional dental cleaning every six months. Your dentist may recommend more frequent visits if you have gum disease or other oral health concerns.
Coffee can stain the outer surface of your teeth over time. Regular brushing, professional cleanings, and drinking water after your coffee can help reduce staining.
When performed under the supervision of a dentist, professional whitening is considered safe for most healthy patients. Your dentist can help determine whether whitening is right for you.

Schedule Your Next Dental Visit

At Columbia Smile Center, Dr. Christopher Newman and our team are committed to helping patients throughout West Columbia and the surrounding Midlands enjoy healthy, confident smiles.


Whether it's time for your routine cleaning, you're interested in professional teeth whitening, or you simply have questions about improving your oral health, we'd love to help.



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