... Pettini1 1. Department of Dental Sciences and Surgery, University of Bari “Aldo Moro”, Italy 2. Department of Dental Sciences, University of Rome “La Sapienza”, Italy Corresponding author: ... Dr. Andrea Ballini, Dept. of Dental Sciences and Surgery, Faculty of Medicine and Surgery, Uni-versity of Bari “Aldo Moro”-Italy, P.zza G. Cesare n.11 -70124 Bari-Italy. E-mail: andrea.ballini@medgene.uniba.it; ... treatment of tooth 2.6 provided four years before by her dentist. The radiograph shows many characteristics of OAC/OAF; the apexes of tooth 26 were in extremely close approximation to the maxillary...