The benign cementoblastoma is a truer odontogenytumor caused by cement according the last classification of OMS. It is an uncommonlesion accounting for less than 1% of odontogeny tumors. It is present in youngpeople and it is located in the mandibular posterior area and it is associatedwith an eruptive permanent dentition usually to first molar, shows radiologicaland microscopic characteristic features and it is fused with teeth roots. Thisis the case of a man aged 25 with a benign cementoblastoma as well as a literaturereview. Lesion manifested as a round, radiopaque mass adhered to the first mandibularright molar. Tooth was pooled out and the lesion was removed without relapsein 3 years post-elimination.
