Gold Abutment for crown
Gold abutment NC Product portfolio RC § For NC and RC STRAUMANN Education 2
Gold abutment Concept Intended use § Screw- or cement-retained crowns § Cement-retained bridges via mesostructure § Telescopic bridgeworks or telescopic crowns Component materials § Gold Abutment (non-oxidizing Gold) § Basal Screw (TAN – TAN is one type of titanium alloy material) § Modeling Aid (Polymer) Benefits § Precise wax modelation § Safe cast-to procedures § Esthetic solution even with thin mucosa biotype The Gold abutment is not suitable for direct splinting STRAUMANN Education 3
Gold abutment – Lab procedures Step 1 - Preparation § Fabricate a master cast § Make a diagnostic wax-up § Make a silicone key STRAUMANN Education 4
Gold abutment – Lab procedures § Hand-tighten Gold Abutment onto analog § Shorten burn-out modeling aid to height of occlusal plane § Attach Gold Abutment to polishing aid for easier handling STRAUMANN Education 5
Gold abutment – Lab procedures Step 2 - Wax modeling § Wax layer must be at least 0. 7 mm thick § Do not cover margins of abutment with wax § For sharp-edged finish of screw channel, use modeling aid STRAUMANN Education 6
Gold abutment – Lab procedures For proper hygiene: Cement margin must be no more than 2. 0 mm below gingival level STRAUMANN Education 7
Gold abutment – Lab procedures Step 3 - Investing of customized abutment § Do not use wetting agents § Thoroughly clean abutment before investing § Remove all wax particles (use insulating agents) § Invest customized abutment in usual method STRAUMANN Education 8
Gold abutment – Lab procedures § No wax on delicate margins § Speed investment materials are not recommended § Invest following the manufacturers’ instructions § Follow recommended mixing ratio and preheating time STRAUMANN Education 9
Gold abutment – Lab procedures Step 4 - Devesting § Devest abutment with ultrasound, waterjet, pickling acid or glass fiber brush § Always devest with a polishing aid to protect the implantabutment connection STRAUMANN Education 10
Gold abutment – Lab procedures Never sand-blast to devest without mounting abutment on polishing aid! STRAUMANN Education 11
Gold abutment – Lab procedures Casting errors and incorrect handling Procedure must be repeated if: § The casting gold did not flow out sufficiently STRAUMANN Education 12
Gold abutment – Lab procedures Casting errors and incorrect handling § Intruded casting metals and casting pearls cannot be removed from the connection part of the Gold Abutment! STRAUMANN Education 13
Gold abutment – Lab procedures Casting errors and incorrect handling § The Ceramicor® alloy surface cannot be covered with ceramic veneering material. § Ceramicor® is a non-oxidizing alloy and allows no ceramic bonding STRAUMANN Education 14
Gold abutment – Lab procedures Step 5 - Fabricate the cement-retained single crown § Trim and polish the abutment STRAUMANN Education 15
Gold abutment – Lab procedures § Block out screw channel § Wax framework directly on top § Silicone key shows relations for restoration STRAUMANN Education 16
Gold abutment – Lab procedures § Cast framework in conventional manner § Trim and fit precisely onto customized abutment STRAUMANN Education 17
Gold abutment – Lab procedures § Complete ceramic veneering § Deliver final restoration to dentist STRAUMANN Education 18
Gold abutment - Lab Procedures Final insertion § Remove the healing abutment or temporary restoration and thoroughly clean the implant and bridge § Position restoration and check fit STRAUMANN Education 20
Gold abutment - Lab Procedures Final insertion § Tighten to 35 Ncm with SCS screwdriver and torque ratchet § Close screw access with cotton, sealing compound (i. e. gutta percha) and composite § Cement single unit crown STRAUMANN Education 21
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