The study measured the pH level of 20 commercial soft drinks including Coke, Pepsi, 7 Up and their diet versions immediately after cans were opened. Slices of enamel from freshly extracted teeth were weighed before and after being immersed in samples of each of the soft drinks for 48 hours.
The result of the study was that the teeth immersed in Coke, Pepsi, RC Cola, Squirt, Surge, 7 Up and Diet 7 Up lost more than 5 percent of their weight, according to the report by Poonam Jain of the Southern Illinois University School of Dental Medicine and her colleagues. (Other sodas brought about losses in the enamel weight in the range of 1.6 percent to 5 percent).
The pH scale is a logarithmic scale that ranges from 0-14 pH with 7 being neutral, anything below 7 is acidic and anything above 7 is alkaline. Battery acid has a pH of 1.0, distilled water at room temperature has a nuetral pH of 7.0, and the pH level Healing Water Machines recommends drinking is 9.5.
RC Cola was found to be the most acidic soft drink studied, with a pH of 2.387, Cherry Coke ranked the second most acidic (pH of 2.522), and Coke came in as the third most acidic soda tested (pH of 2.525).
The results show that a sodas acidity is not the whole story when it comes to tooth erosion. The type of acid in the soda, level of soda and calcium content are also factors. Citric acid is the most erosive acid found in soft drinks and is the predominant acid in non-cola drinks.
Root beer was found to be the least acidic of all soft drinks, with a pH 4.038 for the Mug brand. The reason for the reduced acidity is that root beer is often non-carbonated and contains no phosphoric or citric acids.
A 2006 study reported that orange juice and sports drinks also reduce the surface hardness of tooth enamel, but a soda reduced more—the dentin, surface enamel and two additional dental components. (Dental erosion refers to the action of acid on the entire tooth surface. Cavities and tooth decay tend to hit targeted areas, such as pits, grooves and spots where teeth are adjacent).
In 1966, Americans drank, on average, 20 gallons of soft drinks per year. Today we drink almost 50 gallons of soft drinks annually.
We strongly urge you to eliminate or reduce your soda consumption immediately. If you must indulge in an occasional soda, it's best if you make it a root beer, drink it through a straw and only drink with meals. Better yet, invest in a Chanson ionzer for fresh, alkaline water at the push of a button to combat the acidity in your diet. Visit http://www.healingwatermachines.com/ for more information.
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