Evaluation of cervical peri-implant optical density in longitudinal control of immediate implants in the anterior maxilla region - Silva, Renan Lucio Berbel da; Duailibi Neto, Eduardo Felippe; Todescan, Francisco Fernando; Ruiz, Glaucio Morente; Pannuti, Claudio Mendes; Chilvarquer, Israel (Dentomaxillofacial Radiology, 2020)