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Old 04-23-07, 11:14 AM   #1
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Willllbur... or hows your teeth

So I was perusing digg, and saw this
it appears the diggers brought down the server so here's the text

Study Shows Gatorade, Red Bull, Coke, Fruit Juice All Erode Teeth; Gatorade Erodes Fastest

By Daniel DeNoon
WebMD Medical News

Reviewed By Louise Chang, MD
on Thursday, March 09, 2006

March 9, 2006 -- Gatorade erodes teeth faster than Coke, a new study shows.

That doesn't mean that Gatorade and other sports drinks are necessarily harder on your teeth than are Coke and other soft drinks. But it may be a surprise that they aren't any better, either, says researcher Leslie A. Ehlen, a student at the University of Iowa School of Dentistry.

"I don't think everybody realizes how erosive these things are, especially Gatorade and Red Bull," Ehlen tells WebMD. "People need to be aware that all sorts of beverages can be causing dental erosion."

Ehlen presented the study at this week's annual meeting of the American Association for Dental Research in Orlando, Fla.

More and more dentists now think sugary drinks are the major culprit in tooth decay, says Brian Burt, PhD, professor emeritus of epidemiology at the University of Michigan School of Public Health.

"There is pretty good evidence now that this is not just sports drinks, but soft drinks and juices in general," Burt tells WebMD. "They have become the main source of sugars in the diet. It comes down to the more sugar in the drink, the more risk of [cavities] to the person drinking it."

1 Day of Soft Drinks, Lots of Erosion

The University of Iowa researchers covered extracted teeth with nail polish. They left bare two patches on each tooth, one on the enamel and one on the root. Then they dunked the teeth in test tubes filled with regular Coke, Diet Coke, Gatorade, Red Bull, or 100% apple juice.

Every five hours, the researchers refreshed the beverages. After 25 hours, they examined the teeth with a microscope. All of the beverages eroded the bare spots on the teeth. But different beverages had significantly different effects.

On the enamel, Gatorade was significantly more corrosive than Red Bull and Coke. Red Bull and Coke, in turn, were significantly more corrosive than Diet Coke and apple juice.

On the roots of the teeth, Gatorade was more corrosive than Red Bull. Coke, apple juice, and Diet Coke followed in that order.

The difference in the effect isn't simply due to their sugar content. Gatorade is 6% carbohydrates, mostly sugars. Coke is about 10% sugar. Both are acidic beverages.

University of Michigan pediatric dental researcher Michael Ignelzi, DDS, PhD, has recently reviewed new research on the effects of beverages on children's teeth. But he says there's no evidence showing that sports drinks are any worse than other soft drinks.

"I know of no data that sports drinks are more harmful than other drinks," Ignelzi tells WebMD.

Sports Drinks and Cavities

Because of their acidity and sugar content, researchers have studied the role of sports drinks in the development of cavities. Most of the studies, however, exonerate the sports drinks.

Craig Horswill, PhD, senior research fellow at the Gatorade Sports Science Institute, in 2005 reported a study of saliva flow in endurance athletes who drank Gatorade, diluted orange juice, a homemade sports drink, or water. The study showed that if the sports drinks had any effect, it was to decrease dehydration and increase saliva flow, which reduces cavity formation.

More to the point, a 2002 Ohio State University study of 304 athletes found no link between sports-drink use and dental erosion. The study was sponsored by Quaker Oats, which makes Gatorade.

"Dental erosion among users of sports drinks in the Ohio State study was the same as it was in nonusers," Horswill tells WebMD. "And they averaged 10 years of sports drink use."

Ignelzi says that what matters most isn't which beverage people drink. It's how and when they drink it.

"A lot of things can cause [cavities], including sugared drinks. It is the way they are taken that is most important," he says. "The frequency of exposure is key. If you sip a Pepsi all day, that is very harmful. But if you are taking any sweet or carb -- cheese puffs, bread, raisins -- if you take it during meals, it is a good thing. Because the saliva stimulated by your chewing buffers the acid. But if you are constantly snacking on sweets or sipping a sweet beverage, your teeth are exposed to acid all day long."

So hows everyone's teeth, I'm guessing this crowd drinks a lot of sports drinks, personally I use gatorade and cut it in about half, and have zero dental issues, however I don't eat many sweets either.
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Old 04-23-07, 11:17 AM   #2
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Old 04-23-07, 08:46 PM   #3
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I and some of my riding buddies used to drink Cytomax or Gatoraid all the time on our rides. Our dental bills went up. We stopped doing that and started drinking a stronger carbo drink and chasing that with plain water. Our dental bills went down. I know, it's anecdotal, but there it is.
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Old 04-23-07, 10:07 PM   #4
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Lost 2 molars to gatorade, I only drink water+salt now.
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Old 04-23-07, 11:25 PM   #5
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I'm not surprised considering the fuzzy feeling stuff I get on my teeth after any ride where I have Gatorade.
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Old 04-24-07, 01:21 PM   #6
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so what are some suggestions instead of gatorade, I would rather not risk my teeth unnecessarily
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Old 04-24-07, 01:21 PM   #7
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There is really no need to drink sugared beverages all day unless you happen to be riding a century that day. I only drink water or tea during the day with no sugar. On bike rides of less than 2 hours I drink water. Any really long rides or rides in intense heat get the gatorade, and even then it is at half concentration. If you only drink gatorade one to four times a month your teeth should be fine.
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