Teeth are an integral part of a person's mouth. Teeth help us to chew food making it easier for food to be digested in the stomach. So we need to know how to protect our teeth. Teeth are the part that comes into contact with food, so the first thing to keep in mind is to brush your teeth twice a day, morning and night, in addition, we can use mouthwash to disinfect after eating. Next, every 3 months you should visit your dentist for a dental check-up. Next is how to prevent tooth decay: You should not eat before going to bed to avoid causing tooth decay, especially sweets like candy. If you have tooth decay, you should visit your dentist and ask your doctor for advice. Following the above steps will help you protect your teeth most effectively