Do You Brush Your Teeth Immediately After Eating? Stop! It's better for your enamel to wait 30 minutes after you eat, or brush before you eat breakfast. Your enamel gets weak when brushing, and chewing anything hard can harm the teeth and enamel; hence it's good to wait. Canyon Creek Orthodontics http://www.canyoncreekortho.com 801-704-9786 #bestorthodontist #bestorthodontistnearme #bestspringvilleorthodontist