Tips: Brush twice a day for two minutes. Use an electric toothbrush with a timer that stops the brush or lights up when finished – or put an egg timer/electric timer in the bathroom. Floss twice a day. An automatic dental floss dispenser can help build healthy flossing habits. Cut back on sugary drinks and snacks. The #1 cause of tooth decay is from bacteria from sugar that produces acid in the mouth. For athletes, get a custom mouth guard, fitted at the dental office. An ath