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Though it's been a while since Olivia Newton-John sang her way into our hearts in the movie Grease, her smile is as radiant as ever. Today, Olivia is still singing, acting and busy with new ventures such as authoring a cookbook and raising money for the cancer center that bears her name in Melbourne, Australia. Whichever part of the world Olivia finds herself in, she protects that beautiful smile with an oral appliance that many find beneficial.
“I wear a nightguard to prevent wear on my teeth, custom-made by my dentist,” Olivia recently told Dear Doctor magazine. “I love it!”
Olivia's device, also referred to as a bite (occlusal) guard, is designed for people who clench or grind their teeth at night, or during stressful periods. Made of thin, wear-resistant plastic, it is custom-made to fit exactly over your top teeth. This allows the bottom teeth to slide gently across the top teeth without biting into them. Not only does this prevent excessive tooth wear, it also helps relax the muscles of the jaw.
Grinding or “bruxing,” as it's also called, can affect virtually any part of the oral system: the jaw joints or muscles, resulting in spasm and pain; the teeth themselves, resulting in wear, fractures or looseness; it can even cause an aching in the ears, head, neck or back.
If you are a teeth-grinder, you might not even know it unless a sleeping partner hears it or your dentist notices signs of wear. These habits are called “parafunctional” (para – outside, function – normal), meaning the biting forces it generates are well outside the normal range — sometimes as much as 10 times normal. So it's no wonder that damage to teeth can occur if they are not protected.
If you have any questions about grinding habits or nightguards, please contact us or schedule an appointment for a consultation. If you would like to read Dear Doctor's entire interview with Olivia Newton-John, please see “Olivia Newton-John.” Dear Doctor also has more on “Stress & Tooth Habits.”