Brushing your teeth is an extremely important part of your overall hygiene. If you don’t brush your teeth often enough (or correctly) you are just setting your mouth up for disaster. When it comes to water temperature, should you use warm or hot water to brush?
Many dentists agree that water temperature doesn’t matter. Professor Anne Skaare, who works at University of Oslo’s Institute of Clinical Dentistry, says most people use cold water out of habit. “We drink cold water and consider it more refreshing. But it actually doesn’t matter whether we use cold or warm water on our teeth,” she says.
Richard H. Price, a spokesman for the American Dental Association, told the New York Times, “If I can get someone to brush their teeth, I don’t care what the water temperature is, as long as they don’t scald themselves.” He did say, however, that water that’s too warm may soften the bristles on your toothbrush.
Hot or cold, it doesn’t matter! Just make sure you brush, brush, brush.