gold abutment for crown. straumann 2 education for nc and rc gold abutment product portfolio ncrc

Gold Abutment for crown

2EducationSTRAUMANN

For NC and RC

Gold abutment Product portfolio NC RC

3EducationSTRAUMANN

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

4EducationSTRAUMANN

Gold abutment – Lab procedures

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

5EducationSTRAUMANN

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

6EducationSTRAUMANN

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

7EducationSTRAUMANN

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

Gold abutment – Lab procedures

8EducationSTRAUMANN

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

9EducationSTRAUMANN

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

10EducationSTRAUMANN

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

11EducationSTRAUMANN

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

Gold abutment – Lab procedures

12EducationSTRAUMANN

Casting errors and incorrect handling

Procedure must be repeated if:

The casting gold did not flow out sufficiently

Gold abutment – Lab procedures

13EducationSTRAUMANN

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

14EducationSTRAUMANN

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

15EducationSTRAUMANN

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

Gold abutment – Lab procedures

16EducationSTRAUMANN

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

Gold abutment – Lab procedures

17EducationSTRAUMANN

Cast framework in conventional mannerTrim and fit precisely onto customized abutment

Gold abutment – Lab procedures

18EducationSTRAUMANN

Complete ceramic veneering Deliver final restoration to dentist

Gold abutment – Lab procedures

20EducationSTRAUMANN

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

21EducationSTRAUMANN

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