The prop for seeing teeth clearly is a dental mirror, which is a special dental examination instrument. Because of its small size and wide visual range, it has been widely used in stomatology. Through the dental mirror, doctors can observe the situation of teeth in the oral cavity, including the shape, pigment, damage and dental caries of teeth, which provides an important basis for the diagnosis of oral diseases.

Proper use of dental mirror can observe the condition of teeth more accurately. Before using the dental mirror, it should be cleaned with warm water and coated with special lubricating oil for optical instruments. Insert the dental mirror slowly into the patient's mouth, and at the same time support and keep the lens in contact with the teeth with the tongue to keep the tooth surface dry. When observing, we should pay attention to the color, shape and caries of teeth, and compare them with normal teeth to judge whether there is any abnormality in the mouth.

Timely oral health care can effectively prevent oral diseases. In daily life, we should gradually develop good oral hygiene habits, brush our teeth, floss and gargle every day to keep our oral cavity clean and reduce the occurrence of diseases. Check the oral cavity regularly, especially the teeth, and treat any abnormality in time to prevent the deterioration of oral diseases. At the same time, we should also pay attention to healthy diet, try to avoid bad eating habits such as sweets and insufficient fruits and vegetables, and maintain oral health.