osteocementum

osteocementum (os´tēōsēmen´-tum),

n a secondary cementum; the hard, bonelike cementum deposited after root formation is completed. See also atrophy of disuse.
References in periodicals archive ?
11) The roots of teeth with mottled enamel, are irregular, rough and revealed heavy deposits of calcified marks in the form of excessive amounts of fluoride or osteocementum at the apical region of the teeth.