Temporary Abutment

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

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

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

Diagnostic wax-up and lab impression Education

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

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

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

Option A. Screw-retained restoration Re-open the screw channel Tighten temporary crown between 15 - 35 Ncm Cover screw head (e.g., with absorbent cotton) Seal screw channel (e.g., with composite) Education

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

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

Option B. Cement-retained restoration Place customized abutment onto implant Tighten temporary crown between 15 - 35 Ncm Cover screw head (e.g., with absorbent cotton) Education

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