Dens in Dente

Patient 25yo was referred for sensitivity to cold on the upper central incisors and potential endodontic treatment. Dental history was inconclusive with little memory of treatment received in his youth. Clinical examination revealed slightly hyper responsive 11 and 21 to cold test. LCPA was inconclusive. UR1 showing radiopaque material in the lingual occlusal aspect, dense in dente appearance could be picked on 2D imaging. Apical area not clearly visible. Similar appearance on the UL1. Both upper lateral incisors appeared to be diminitive with conoid appearance. Both upper central incisors were slightly sensitive on tapping but not on buccal palpation. CBCT small FOV revealed healthy apical tissues on both 11 and 21, The diagnosis after tracing previous dental history was Type…