Not everyone has wisdom teeth, it is mainly determined by genetics, if both parents have wisdom teeth, most children will also have wisdom teeth. Wisdom teeth are considered the third molar and usually grow after the age of 15, and some people do not grow wisdom teeth until after the age of 20, depending on the individual. Wisdom teeth can cause a lot of problems for patients, some people may have one, some may have two or even four, depending on genetics. Because wisdom teeth grow in the wrong place, close to the throat, and are very sensitive teeth, such as bacterial infection or fire, they can easily cause inflammation. Therefore, it is important to pay special attention in daily life, not to overexert yourself to avoid tooth inflammation, and to eat as lightly as possible. Once the wisdom tooth is inflamed, it will be painful and sometimes cause swelling of the whole face.