1. Temporary Abutment

2. Temporary Abutment Concept
Intended use
For NC (Narrow Crossfit™ Connection) and RC (Regular Crossfit™ Connection)
Screw- or cement-retained temporary
single crowns
Cement-retained temporary bridges
Component materials
Temporary Abutment (Polymer, Ti)
Basal Screw (TAN)* NC RC
Benefits
Easy chair-side modification
Esthetic temporization
High flexibility
Stability and precision
*TAN is one type of titanium alloy material
Education

3. Important Restoration can remain in mouth for up to 6 months only
Temporary restoration must be out of occlusion
Modification:
Radially max. 0.5 mm for NC and 1.0 mm for RC
Vertically max. 6.0 mm (maintain at least 5.0 mm polymer height)
Education

4. Temporary Abutment Option A Screw-retained temporary restoration
Option B
Cement-retained temporary restoration A B
Education

5. Diagnostic wax-up and lab impression
Education

6. Option A. Screw-retained restoration
Steps:
Modify temporary abutment
Roughen upper section of abutment
Use heatless wheels and new carbide burs
Work with low rpm, little pressure
Education

7. Option A. Screw-retained restoration
Hand-tighten individualized abutment into implant or model
Seal screw channel (e.g., with composite)
Education

8. Option A. Screw-retained restoration
Direct veneer the abutment with vacuum-formed sheet technique and fill with acrylic
Remove excess acrylic
Polish finished crown
Education

9. Option A. Screw-retained restoration
Re-open the screw channel
Tighten temporary crown between Ncm
Cover screw head (e.g., with absorbent cotton)
Seal screw channel (e.g., with composite)
Education

10. Option B. Cement-retained restoration
Modify temporary abutment (no undercuts!)
Roughen upper section of abutment
Use heatless wheels and new carbide burs
Work with low rpm, little pressure
Education

11. Option B. Cement-retained restoration
Isolate modified abutment
Fabricate cementable crown on top (e.g., build up with composite)
Education

12. Option B. Cement-retained restoration
Place customized abutment onto implant
Tighten temporary crown between Ncm
Cover screw head (e.g., with absorbent cotton)
Education

13. Option B. Cement-retained restoration
Cement crown using temporary cement
Education