title: Retraction: Panaite D, Klokkevold P, and Charles A. The peri-implant papilla: realities on papilla preservation and reformation. J Calif Dent Assoc 36(11):851-67, 2008.
authors.forename: Alan L
authors.initials: AL
authors.lastname: Felsenfeld
authors.forename: Kerry K
authors.initials: KK
authors.lastname: Carney