Transcript Gold Abutment for crown - Toledo Perio

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