12 FUN DENTAL FACTS: PORTLAND IS THE LARGEST CITY IN THE NATION NOT TO DO THIS…
WHO COULD USE SOME WEIRD AND RANDOM DENTAL KNOWLEDGE? ENJOY! Portland, OR is the largest city in the nation that does NOT fluoridate its drinking water. It was customary during the middle ages to kiss a donkey if you had a toothache. Tooth enamel is the strongest substance in the body. Gum disease can trigger
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