Effect of in vivo aging on the surface and electrochemical properties of magnetic attachments used in facial prostheses: A retrieval analysis study - Artopoulou, Ioli Ioanna; Chambers, Mark S; Polychronis, Georgios; Papadopoulos, Frixos; Economou, Anastasios; Zinelis, Spiros (The Journal of Prosthetic DentistryThe Journal of Prosthetic Dentistry, 2024)