First thing's first: coffee isn't great for your teeth. Prolonged exposure to the caffeinated beverage is sure to leave your teeth stained. But you may be surprised to learn that tea has even more teeth-staining properties than coffee.
It's easy to think that tea is an all-around healthier beverage than coffee. It has less caffeine, it's not as acidic, and it's supposedly packed with antioxidants. So how could this praise-worthy drink cause more damage to your pearly whites?
It turns out that tea is loaded with the perfect cocktail of stain-causing substances: acids, tannins, and chromogens. Together, these three chemicals can prove deadly to any teeth-whitening regimen.
Dirty little secret: Though tea is often marketed as a healthier alternative to coffee, the hidden truth is that it also has far greater power to stain your teeth than its caffeinated cousin
Watch what you sip: Both coffee and tea contain acids, tannins, and chromogens - but tea's far higher levels of tannins are what create the difference in staining potency.
Acids are the first ingredients in tea's teeth-staining recipe, according to WebMD. Tea leaves have several types of acids in them. These acids are often diluted when brewed, but can be made more potent with a longer steep time. Acids weaken the enamel - the protective coating on the tooth - by making it soft and porous. This allows tea's other staining elements to work more quickly and intensely.
Next in tea's teeth-staining arsenal are tannins. Tannins are a plant-based substance that may sound familiar, as they are also found in wine (yet another enemy in the quest for white teeth).
Tannins have a pesky knack for bonding tightly to other substances and surfaces. The higher the tannin content, the more likely that another substance will be able to step in and wreak havoc.
While tannins don't stain your teeth themselves, they leave the door open for the final element of tea's teeth-staining repertoire to work its magic: chromogens.
Chromogens are substances that form color when exposed to air. Chromogens are literally used to create dyes and pigments - something no one wants to imagine rubbing off on their perfect smile.
Coffee has acids, tannins, and chromogens in its formula, as well - so why does tea come out on top when it comes to ranking discoloring properties?
It turns out that coffee has just a fraction of the number of tannins found in a comparable cup of tea.
So while coffee may be weakening your tooth enamel just as much as tea, it's lower tannin count means its not opening the door quite as wide as tea when it comes to allowing chromogens to swoop in and stain your smile. Of course, if you'd rather drink three liters of Earl Grey than even think about sipping an espresso, regularly brushing your teeth remains the best defense against staining.
Whether its hot or iced, one cup or three, with milk and sugar or plain - tea is perfectly brewed to leave its mark on your smile.
Do you wake up with a sore jaw and headaches or have you noticed tiny fractures in your teeth? You may be grinding your teeth.
Many people grind their teeth at night, and some may not be aware they are doing it, according to American Dental Association Spokesperson and dentist Maria Lopez Howell.
She says many times people have no idea they grind their teeth at night.
"A lot of times someone else tells them," she said. "We will have patients who come in and say 'Oh my wife grinds her teeth,' or a parent saying 'my child is really grinding' so someone who listens to them while sleeping will report that."
And teeth grinding, which is called bruxism, doesn't just happen at night.
Here's a look at how you can manage teeth grinding and prevent further damage:
Why do people grind their teeth?
Teeth grinding can be caused by a number of things including, anxiety, stress, exhaustion, or signs of a sleeping disorder like an apnea, according to Howell.
Howell stresses that people who are grinding their teeth should see a dentist to get to the bottom of why they are grinding and determine if it's a sign of something more serious like sleep apnea.
"It's important to talk to your dentist about if you have any sleep disorders, because you don't want to miss an opportunity to see whether you need something other than a night guard," she said.
And it's not just anxiety and stress that can cause grinding.
A recent study from Journal of the American Dental Association (JADA) found that some behaviors including overuse of alcohol, caffeine and tobacco may increase the risk of teeth grinding. Drinking alcohol and smoking tobacco were both found to more than double the odds of teeth grinding, while heavy caffeine drinking increased the odds by one and a half, according to the review of seven studies ranging in size from 51 to more than 10,000 people.
"Dentists and patients alike should be aware of the potential health effects from overuse of tobacco, alcohol and caffeine," Michael Glick, D.M.D., and editor of JADA said in a statement.
What are the symptoms?
People grind their teeth during the day, at night or both.
Howell said someone who grinds their teeth at night might wake up with a dull headache, sore jaw, sensitive teeth, or even notice fractures in their teeth. While some may brush off teeth grinding as no big deal, going untreated can cause a problem later. She said many people don't realize that the jaw's temporomandibular joint is just like any other joint and can suffer from a systematic disease like arthritis, she said.
"The teeth are part of the mouth, but the whole chewing complex is part of a joint and that joint can get arthritis just like the hip, knee or any other joints. I think people really discount or just don't realize that," she said.
How can I treat teeth grinding?
While there are a slew of options from over-the-counter plastic molds to companies that will send you casts for your mouth, Howell said people should consult their dentist to find out the cause of their grinding and get a customized treatment plan.
She said many of the over-the-counter guards might not offer the same protection that an actual custom-fitted night guard will.
"Bruxism needs to be treated by a doctor, a mouth guard is something that provides protecting against blows in sports for instance, but bruxism is a condition that needs to be treated by a dentist with a night guard or splint," she said. "This actually involves the joint; we are protecting the joint and the teeth, and it needs to be done with experience and knowledge of that whole chewing complex."