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Dental Decay Prevention art for general dentist Dr. Donald J. Loomis in Madison, WI

Understanding a Healthy pH

PH Scale

pH is a measure of acidity or alkalinity of water-soluble substances (pH stands for Potential of Hydrogen). A pH value is a number from 1 to 14, with 7 as the middle (neutral) point. Values below 7 indicates acidity, decay occurs below pH 5.5

pH 12 Soapy Water
pH 11 Antacids, Dental Treatment Rinses
pH 10 Antacids
pH 9 Baking Soda
pH 8 Sea Water, pH-Neutralizing Dental Rinses
pH 7 Pure Water
pH 6 Saliva, Cow's Milk
pH 5 Black Coffee
pH 4 Tomato Juice, Beer
pH 3 Orange Juice, Soda, Some Dental Rinses
pH 2 Lemon Juice, Vinegar
pH 1 Stomach Acid
pH 0 Battery Acid

Click Here to Learn More about the Approximate pH Levels in Food
PH Chart