Temporary Abutment

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Component materials Temporary Abutment (Polymer, Ti) Basal Screw (TAN)*

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

Benefits Easy chair-side modification Esthetic temporization High flexibility Stability and precision

NC RC

*TAN is one type of titanium alloy material

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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)

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Temporary Abutment

Option A

Screw-retained temporary restoration

Option B

Cement-retained temporary restoration

A B

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Diagnostic wax-up and lab impression

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Option A. Screw-retained restoration

Steps:Modify temporary abutmentRoughen upper section of abutment Use heatless wheels and new carbide burs Work with low rpm, little pressure

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Option A. Screw-retained restoration

Hand-tighten individualized abutment into implant or model Seal screw channel (e.g., with composite)

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Option A. Screw-retained restoration

Direct veneer the abutment with vacuum-formed sheet technique and fill with acrylic

Remove excess acrylicPolish finished crown

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Option A. Screw-retained restoration

Re-open the screw channelTighten temporary crown between 15 - 35 NcmCover screw head (e.g., with absorbent cotton)Seal screw channel (e.g., with composite)

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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

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Option B. Cement-retained restoration

Isolate modified abutmentFabricate cementable crown on top (e.g., build up with

composite)

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Option B. Cement-retained restoration

Place customized abutment onto implantTighten temporary crown between 15 - 35 NcmCover screw head (e.g., with absorbent cotton)

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Option B. Cement-retained restoration

Cement crown using temporary cement