Strawberry sister Zhou Xu’s dental care column did not brush clean = did not brush Tooth decay (tooth decay) is the main common disease of the oral cavity, but also one of the most common human diseases, the World Health Organization has listed it with cancer and cardiovascular disease and human three key prevention and treatment diseases. The easiest and most cost effective way to prevent tooth decay —- brush my teeth every day, why do I still grow tooth decay? Are you sure you are brushing clean? ini… Not brushing cleanly = not brushing! This issue we focus on those places where cavities are easy to form. What are the places where cavities are easily formed? 1.The gum margin between teeth and gums. 2.Between teeth and teeth. 3.The biting part of the upper and lower back teeth. 4.The teeth that are not aligned properly. 5.Around the fixed dentures. 6.The parts where the movable dentures are in contact. Well, we have understood the parts where tooth decay is likely to occur, and the first phase of the seminar on tooth brushing skills is over here.