Immediate Provisionalization and Nonfunctional Loading of a Single Implant in the Maxillary Esthetic Zone: A Clinical Presentation and Parameters for Consideration - Konstantinos X. Michalakis; Christos D. R. Kalpidis; Yvone Kirmanidou; Hiroshi Hirayama; Pasquale Lino Calvani; Argiris L. Pissiotis (Case Reports in Dentistry)