Perio iQ Volume 22, 2/2011 page 41-51 , more by this authormore by this author back Key words: Trade name and manufacturer: Tapered Screw VentCopiOsJ-blockZimmer Tapered Screw VentCopiOsJ-blockZimmer Original publication: Int J Periodontics Restorative Dent 2011;31:429–436.