title: Fusion or gemination? An unusual mandibular second molar.
abstract: Fusion and gemination is not an uncommon finding and affected most primary dentition and the permanent maxillary incisors. These changes can develop a series of complication. A 11-year-old male presented radiography finding: an unusual mandibular second molar. A well-documented case brings a challenge for radiologists classify between fusion and gemination. In conclusion, this alteration although common in other regions, there are no case in the literature involving "second and third" molar.
authors.affiliation: Department of Stomatology, School of Dentistry, University of São Paulo, 2227 Lineu Prestes Avenue, 05508-000 São Paulo, SP, Brazil. Electronic address: dra.angelacamargo@gmail.com.
authors.forename: Angela Jordão
authors.initials: AJ
authors.lastname: Camargo
authors.affiliation: Department of Stomatology, School of Dentistry, University of São Paulo, 2227 Lineu Prestes Avenue, 05508-000 São Paulo, SP, Brazil. Electronic address: emiko.sp@terra.com.br.
authors.forename: Emiko Saito
authors.initials: ES
authors.lastname: Arita
authors.affiliation: Department of Stomatology, Public Oral Health and Forensic Dentistry, Ribeirão Preto Dental School-University of São Paulo, Cafe Avenue, 14040-904 Ribeirão Preto, SP, Brazil. Electronic address: watanabe@forp.usp.br.
authors.forename: Plauto Christopher Aranha
authors.initials: PC
authors.lastname: Watanabe
keywords: Abnormalities; Molar; Panoramic radiography; Tomography