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Reasons why sharing your toothbrush is a bad idea


Beyond the “yuck” factor, that’s a bad idea on a lot of different levels health-wise to share toothbrush, says Dr. Sanda Moldovan, a certified nutritionist, periodontist and author of the upcoming book “Heal Up!”

That simple act of sharing a toothbrush can compromise your health in more ways than you might imagine.

Many of those problems, she says, are serious and some come with long-term implications. Among the reasons not to share:

  • Bleeding gums. A toothbrush can easily spread blood-borne illnesses. Why is that? “When some people brush, their gums bleed,” Moldovan says. “That can result in exposure to bacteria and viruses that can enter the bloodstream.”
  • A toothbrush can harbor streptococcus mutans — the same bacteria responsible for MRSA infections, flesh-eating bacteria and tooth decay.
  • Food particles. A toothbrush can expose you to what someone else ate for dinner, possibly even the day before. That is especially true when that person fails to rinse or brush properly.
  • Viruses. Viruses such as the herpes simplex type one can be spread with toothbrush use. This is the same virus responsible for oral and genital herpes. Another virus that can spread with toothbrush sharing is HPV (human papillomavirus). That virus is linked to esophageal, oral and cervical cancers.
  • Fungi. Maybe you don’t think of a toothbrush as a potential petri dish, but fungi such as candida (the fungus responsible for diaper rash and yeast infections) can live on toothbrushes.
  • Periodontal disease. One of the most common oral infections, periodontitis, can be spread via the toothbrush. There are a lot of implications to that, such as the potential loss of teeth, Moldovan says. “In this case, it’s also not just a problem that’s limited to the mouth,” she says. “Periodontal disease can affect the whole body.”

Pacific dental group remind you that there are lots of things in the world can share, a tooth brush doesn’t need to be one of them.

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