Resumen en español

Fibro-cementum bony neoplasias arise from totipotential connective tissue. The generally contain calcified structures such as bone, cement and more rarely dentin. They may be periphical or central lesions of the jaws. The WHO classifies them into six groups: Four of them correspond to cementomas; two as bony lesions. The literature on this matter reports a probable origin from periodontal issues.(AU)