Riggs' disease

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Riggs' disease, also known as pyorrhea of a toothsocket or gingivitis expulsiva, is a purulent inflammation of the dental periosteum named after American dentist John M. Riggs (1810-1885).

Riggs' disease produces the progressive necrosis of the alveoli and looseness of the teeth. The teeth may become very loose and fall out of the sockets.