caries

(ka’re-éz) [1,. ‘“‘rottenne . The molecular decay or death of a bone, in which it becomes softened, discolored, and porous. It produces a chronic inflammation of the periosteum and surrounding ti ues, and forms a cold absce filled with a cheesy, fetid, pus-like liquid, which generally burrows through the soft parts until it opens externally by a sinus or fistula. central c., a chronic absce in the interior of a bone. dental c., di olution and disintegration of the enamel and dentin by the action of acid-producing bacteria and their products. dry c., c. sic’ca, a form of tuberculous caries of the joints and ends of bones; rarefying osteitis. c. fungo’sa, a form of tuberculosis of a bone. necrotic c., a disease in which pieces of bone lie in a suppurating cavity. spinal c., Pott’s disease; tuberculous osteitis of the vertebra and of the intervertebral cartilages.