Green Tea May Strengthen Your Teeth

Researchers suspect antimicrobial molecules contained within green tea helps preserve teeth (as long as you don’t add sugar).

  • People aged 40-64 who drank one cup of green tea a day were less likely to lose teeth.
  • Drinking unsweetened coffee had no effect on keeping teeth.
  • Antimicrobial molecules called catechins may account for green tea’s benefits.

A cup of green tea a day may keep the dentist away.
That’s the finding of new research published in Preventive Medicine. The findings show that drinking at least one cup of green tea a day increases the odds of keeping your teeth as you age.
The researchers suspect that antimicrobial molecules called catechins present in green tea and in lesser amounts in oolong tea provide the benefit. But be careful if you like your tea with sugar: sweetener may negate the effect, the team found.

“Green tea may have bacteriocidal effects, which would affect teeth, but only if you drink it without sugar”

Men who drank at least one cup of tea a day were 19 percent less likely to have fewer than 20 teeth (a full set including wisdom teeth is 32) than those who did not drink green tea. Tea-drinking women had 13 percent lower odds.

One possible explanation for the benefits of tea drinking is that warm drinks wash out your mouth. But coffee, which also provides a mouth rinse, had no benefit, suggesting something else is going on.

Catechins have been shown to kill mouth bacteria associated with tooth decay and gum disease, so the researchers suspect this is what gives green tea its dental benefits.

Previous research has indicated that regular consumption of green tea may lead to a lower instance of periodontal disease, a leading cause of tooth loss in adults.

Maintaining healthy teeth and gums is part of maintaining a healthy body. That is why it is so important to find simple ways to boost periodontal health, such as regularly drinking green tea — something already known to possess certain health-related benefits.

“Coffee alone had no problem, but sweet coffee would actually make you lose your teeth.”

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