Upload
coleman-childers
View
218
Download
0
Tags:
Embed Size (px)
Citation preview
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