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Causes of Adult Tooth Loss

The medical name for missing teeth is endentulism. This condition occurs in a large segment of the population. In fact, it’s estimated that 69% of adults have lost at least one tooth and that 50 million Americans have lost all of their teeth. Adult tooth loss occurs for many reasons, including gum disease, dental caries (cavities), and injury.

Gum Disease

Almost 70% of tooth loss is attributable to gum disease, also called periodontal disease. This bacterial infection attacks healthy gum, tooth, and bone tissue. If left untreated, the bonds that hold teeth and gums together are destroyed, resulting in tooth and bone loss. Periodontitis, the most severe form of gum disease, is a major contributor to tooth loss in adults aged 65 and older.

Tooth Decay

When plaque hardens on tooth surfaces, it produces acids that destroy tooth structure. Caught early, decay can be removed and the tooth restored with a filling or crown. Severe decay may cause extensive damage to tooth structure and invade the nerve tissue of a tooth. A root canal can resolve early-stage infection in the inner chamber of a tooth.

Left untreated, the infection only worsens and may result in tooth loss.

Injury

Trauma to teeth from injuries to the mouth are another common cause of tooth loss. A fall, sports-related injury, automobile accident, physical trauma, or other damage may cause a tooth to come out or become damaged beyond repair and require removal by a dentist.