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Most people—especially here in the Pacific Northwest—enjoy starting the morning off with a nice cup of coffee or tea. But many of us haven’t given much thought to how this morning ritual affects our teeth.
The fact that coffee and tea can cause staining is fairly well-known, but do tea and coffee have effects on your teeth? Are there any benefits to sipping coffee and tea regularly? The answer to both of those questions is: yes.
Dark Colors of Coffee and Tea Can Cause Enamel Stains
Because enamel is porous, dark-colored foods and drinks such as coffee and tea can cause your teeth to stain. Imagine the inside of your coffee mug—coffee does the same thing to your teeth that it does to your nice, white, previously clean cup. Tea has been shown to stain even more than coffee!
No, Tea is not Acidic for Teeth
Unlike coffee, tea has very low acidity, which makes it gentler on your teeth.
Why Does Acidity Matter
- Acid can wear away tooth enamel — the protective outer layer of your teeth.
- Once enamel is gone, it doesn’t grow back.
What Happens When Enamel Erodes
- Increased Sensitivity: Hot, cold, and sweet foods may cause discomfort.
- Higher Risk of Tooth Decay: Less protection makes teeth more vulnerable to cavities.
- Discoloration: The darker layer beneath the enamel becomes visible, making teeth look yellow or stained.
Low Saliva Flow Can Cause Bad Breath
Another side effect of drinking too much coffee and tea is bad breath. Caffeine can dry out your saliva flow, and without saliva, bacteria grows more rapidly. Excess bacteria in your mouth can cause bad breath.
[Related: Is Flossing Really That Important?]
How Can You Minimize the Negative Effect of Coffee and Tea on Your Teeth?
Now that we know that tea and coffee have effects on your teeth. How can you drink your morning pick-me-up without damaging your teeth? You can try a few things in order to minimize the negative impact of coffee and tea on your enamel.
Use a Straw
You can start by using a straw. Using a straw to sip your coffee or tea keeps contact between the liquid and your teeth to a minimum.
Brush Your Teeth
Brush your teeth after drinking these beverages, but wait about thirty minutes after drinking before doing so. If you brush right afterwards you are not giving your saliva a chance to neutralize the acid, and you are essentially brushing your teeth with the acid and creating more damage.
Eat Healthy
Some foods can help clean your teeth naturally. Fibrous fruits and veggies require a lot of chewing, which not only helps generate more saliva to help neutralize the acid, but the fibers also help scrub your teeth clean.
Strawberries, specifically, contain malic acid, which is a natural enamel-whitener.
Choose Better Beans
Arabica coffee beans have been shown to be less likely to stain than Robusta beans, so if nothing else you can choose the lesser of the staining offenders to brew your morning cup of joe.
Skip the Sugar
How you take your coffee or tea can impact your level of bad breath and bacteria. Bacteria thrive on sugar, so if you like creamers, flavor syrups, or sugar in your drinks, you are creating a perfect environment for bacteria to multiply.
If you don’t take your coffee black—brush your teeth to wash all of those sugars out half an hour after you’ve finished your beverage.
[Related: Getting Over the Hurdles That Keep You From Seeing Your Dentist]
Benefits of Drinking (Black) Coffee and Tea
Do coffee and tea affect your teeth? Yes — but there are also benefits!
How Coffee Helps Your Teeth
- Black coffee can help fight plaque-causing bacteria, specifically Streptococcus mutans (S. mutans), the main bacteria responsible for tooth decay.
- Roasted coffee beans are more effective than unroasted ones in reducing bacterial growth.
- Coffee doesn’t completely stop bacteria from growing but makes it harder for them to stick to your teeth.
How Tea Helps Your Teeth
Green and black teas offer similar benefits to coffee.
Green Tea:
- Rich in antioxidants called catechins, which reduce inflammation caused by bacteria.
- A study in the Journal of Periodontology found that drinking one cup of green tea per day improved the oral health of individuals with periodontal disease.
Black Tea:
- Offers some antibacterial effects, though less potent than green tea.
Both coffee and tea, when consumed mindfully, can support oral health while offering plenty of other wellness benefits.
Contact Cascadia Dental Specialists Today
Remember, the less sugar, creams, and syrups you add to your morning coffee and tea, the better for fighting bacteria.
Brush your teeth (and floss!) half an hour after drinking, eat healthy foods, and make sure you go in for your routine cleanings to keep your teeth healthy and white.
If you’re concerned about dental issues such as teeth grinding, don’t hesitate to contact Cascadia Dental Specialists today! Explore our full range of dental services to keep your teeth strong, healthy, and stain-free.
