Having teeth marks generally means that indentations of teeth can be seen on the lateral edge of the tongue. This condition may be caused by physiologic factors, or it may be related to factors such as a large tongue, poor dietary habits and occlusal disorders. 1. Physiological factors, some patients may have the symptom of dental indentation, which is a normal body reaction without special pathological significance and is generally known as occlusal line. 2. Some people have a large tongue, and the tongue is irritated during the biting process, so the symptoms of teeth marks may occur. 3. Poor dietary habits, some patients usually do not pay attention to personal diet, often overeating, eating spicy and irritating food, may lead to bite marks. 4. Bite disorder, if there is a malocclusion, in the process of exercising the chewing function may form teeth marks and may often bite the tongue or mucous membrane. Normally, you need to pay attention to your personal diet, eat more light and nutritious food, and if you have any disease, it is best to consult a doctor in time.