Gold Abutment for crown

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For NC and RC

Gold abutment Product portfolio NC RC

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Component materials Gold Abutment (non-oxidizing Gold) Basal Screw (TAN – TAN is one type

of titanium alloy material) Modeling Aid (Polymer)

Gold abutment Concept

Intended use Screw- or cement-retained crowns Cement-retained bridges via mesostructure Telescopic bridgeworks or telescopic

crowns

Benefits Precise wax modelation Safe cast-to procedures Esthetic solution even with thin mucosa biotype

The Gold abutment is not suitable for direct splinting

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Gold abutment – Lab procedures

Step 1- PreparationFabricate a master castMake a diagnostic wax-upMake a silicone key

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Hand-tighten Gold Abutment onto analog Shorten burn-out modeling aid to height of occlusal planeAttach Gold Abutment to polishing aid for easier handling

Gold abutment – Lab procedures

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Step 2 - Wax modelingWax layer must be at least 0.7 mm thickDo not cover margins of abutment with waxFor sharp-edged finish of screw channel, use modeling aid

Gold abutment – Lab procedures

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For proper hygiene: Cement margin must be no more than 2.0 mm below gingival level

Gold abutment – Lab procedures

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Step 3 - Investing of customized abutmentDo not use wetting agentsThoroughly clean abutment before investing Remove all wax particles (use insulating agents)Invest customized abutment in usual method

Gold abutment – Lab procedures

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No wax on delicate marginsSpeed investment materials are not recommended Invest following the manufacturers’ instructionsFollow recommended mixing ratio and preheating time

Gold abutment – Lab procedures

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Step 4 - Devesting Devest abutment with ultrasound, waterjet, pickling acid or

glass fiber brushAlways devest with a polishing aid to protect the implant-

abutment connection

Gold abutment – Lab procedures

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Never sand-blast to devest without mounting abutment on polishing aid!

Gold abutment – Lab procedures

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Casting errors and incorrect handling

Procedure must be repeated if:

The casting gold did not flow out sufficiently

Gold abutment – Lab procedures

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Casting errors and incorrect handling

Intruded casting metals and casting pearls cannot be removed from the connection part of the Gold Abutment!

Gold abutment – Lab procedures

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Casting errors and incorrect handlingThe Ceramicor® alloy surface cannot be covered with

ceramic veneering material. Ceramicor® is a non-oxidizing alloy and allows no ceramic

bonding

Gold abutment – Lab procedures

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Step 5 - Fabricate the cement-retained single crown Trim and polish the abutment

Gold abutment – Lab procedures

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Block out screw channel Wax framework directly on topSilicone key shows relations for restoration

Gold abutment – Lab procedures

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Cast framework in conventional mannerTrim and fit precisely onto customized abutment

Gold abutment – Lab procedures

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Complete ceramic veneering Deliver final restoration to dentist

Gold abutment – Lab procedures

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Final insertion Remove the healing abutment or temporary restoration and

thoroughly clean the implant and bridge Position restoration and check fit

Gold abutment - Lab Procedures

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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

Gold abutment - Lab Procedures