Cavities can be 100% preventable and the 2 main causes for tooth decay are hygiene and diet. Hygiene - Brush 2 min twice a day, floss once a day. Try a disclosing agent which will highlight and plaque left behind to see if you are brushing and flossing effectively. This is so key, I know we brush every day but many are not brushing correctly. Diet - carb frequency especially ultra processed junk food not just sugar soda and candy. How often you are snacking on carbs through the day has a major i