The dental bed is generally the area where the teeth are attached, which supports and holds them in place. The main diseases related to the dental bed are gingivitis and periodontitis. 1. Gingivitis is often caused by poor oral hygiene and deposits around the teeth, and the gums are often purplish-red and swollen. Patients should develop the habit of brushing and rinsing their teeth in the morning and evening for prevention. 2. Periodontal disease is often due to tartar, tartar and other undesirable factors stimulation, so that the gums are damaged by the formation of the disease, patients often have itchy gums, discomfort, bad breath and other symptoms. Therefore, patients should go to the hospital for scaling, for stubborn tartar, the doctor can scrape the tartar above and below the gums. Patients should master the normal brushing posture in daily life and maintain good oral hygiene. If symptoms of discomfort occur, it is recommended to go to the hospital in a timely manner for early and regular treatment.