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ePaper created 2016-03-11, 23:13:06 | version 1.38.0
14 — issue 2016 Advanced Implant Esthetics Article abutments, the incisal edges of which are slightly curved, which presents the rota- tionalalignmentoftheimplantbetterthan a straight cylindrical abutment does (Fig. 3). An adjustment of a few degrees and a check of the occlusion make it pos- sible to position the vestibular gingival edgeperfectlyand,mostoften,tousethe abutment without any alteration, which substantially simplifies the rest of the prosthetic chain. Keep manipulations of the abutment to a minimum. In orderto respect the principle of OAOT duringthefittingoftheprovisionalcrown, a provisional resin coping is prepared on a straight or angled abutment, depending on the clinical requirement, along with a resin veneer created from a prosthetic tooth (Figs. 4a–c). The resin coping is bonded in the mouth to the veneer using a minimal quantity of resin in order to avoiddirectpollutionofthesofttissuesby thecytotoxicresinmonomer(Figs. 5a–e). The use of a standard abutment and a pro- visional coping makes the fabrication of temporary crowns very quick and simple while also respecting the principle of OAOT. — Emergence profile When putting the provisional tooth in place, it is preferable to give it an initial emergenceprofilethatisconcaveinorder to allow healing of the papilla with the maximumspaceavailable.Aconvexprofile Fig. 3 Surgical kit with 3.0, NP and RP angled abutments (NobelActive system). Figs. 4a–c Temporary coping created with a brush (UNIFAST III, GC) and a veneer (a). Initial clinical situation with a 15° angled abutment in place (b). Temporary coping in place (c). Fig.3 Fig.4a Fig.4b Fig.4c Fig.5a Figs.5b–d Fig.5e Figs. 5a Bonding of the coping and veneer. Palatal view showing the small quantity of resin used. Figs. 5b–d Bonded veneer, then relined and finished. Figs. 5e Provisional crown after cementing. Article_Russe_00-00.qxp_Layout 1 02.03.16 20:52 Seite 3 Article_Russe_00-00.qxp_Layout 102.03.1620:52 Seite 3