Case study: Diet soda erodes teeth as much as meth, crack

Case study: Diet soda erodes teeth as much as meth, crack

Case study: Diet soda erodes teeth as much as meth, crack

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by Michelle Castillo / CBS News

KMOV.com

Posted on May 29, 2013 at 11:17 AM

Updated Wednesday, May 29 at 12:51 PM

Drinking diet soda for years takes a toll on the teeth that's comparable to years of smoking crystal meth or crack cocaine, according to a new case report from a dentistry journal.

The report, published in General Dentistry on May 28, shows an addiction to soda may do as much major damage to your smile as a drug habit, and sugar isn't even the culprit.

Teeth are eroded when acid wears away tooth enamel, the glossy, protective layer of the tooth. Without this shield, teeth are more likely to develop cavities, become sensitive, develop cracks or become discolored.

The case study looked at the damage in three people's mouths. One subject was a 29-year-old admitted meth user, and the other person was a 51-year-old abused cocaine for 18 years. The third patient drank an excessive amount of diet soda, about two liters a day for three to five years. All three had poor oral hygiene and did not visit the dentist on a regular basis.

Despite three different substance habits, the subjects appeared to have the same types and severity of damage from tooth erosion.

"Each person experienced severe tooth erosion caused by the high acid levels present in their 'drug' of choice - -meth, crack, or soda," lead report author Dr. Mohamed A. Bassiouny, a dentist in Oreland, Pa., said in a press release.

The American Beverage Association, however, called the study unfair because the diet soda addict had extremely poor dental hygiene.

"The woman referenced in this article did not receive dental health services for more than 20 years -- two-thirds of her life. To single out diet soda consumption as the unique factor in her tooth decay and erosion -- and to compare it to that from illicit drug use -- is irresponsible. The body of available science does not support that beverages are a unique factor in causing tooth decay or erosion. However, we do know that brushing and flossing our teeth, along with making regular visits to the dentist, play a very important role in preventing them," the ABA told CBSNews.com in a statement.

Bassiouny said the real problem is all three substances were highly acidic. Citric acid is found in both regular and diet soda. The ingredients used to make methamphetamine are highly corrosive, and crack cocaine has is highly acidic as well.

"The striking similarities found in this study should be a wake-up call to consumers who think that soda -- even diet soda -- is not harmful to their oral health," Bassiouny stated.

Academy of General Dentistry spokesperson Dr. Eugene Antenucci added that the frequency of diet soda drinking is also detrimental.

"People think that it's innocuous," Antenucci, who was not involved in the study, explained to CBSNews.com. "People think that there's no harm in it. It's not going to make me fat. We've been fooled to think that diet is good. We've been misunderstanding -- decay isn't caused by sugar, but by the acids."

Antenucci understands that people want to drink soda, and he doesn't support an outright ban. He just wants to remind people to drink in moderation.

"Look at the frequency at which you are drinking. How much is too much? I don't know, but if it's your primary drink, and you're drinking more soda than water, I would say that's too much," he commented.

If you are going to drink soda, he suggested rinsing your mouth with water after drinking or chewing some sugar-free gum with xylitol, which stimulates saliva.

"Saliva is almost like drinking a glass of water," Antenucci pointed out. "It can wash away acid."

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