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Total-etch adhesive bonding before and after
November 1, 2021
Dr. Rafał Mędzin, DMD, MSc

Clinical Case: Total-etch Adhesive Bonding of Two Lithium Disilicate Glass Ceramic Crowns

Using 3M™ RelyX™ Universal Resin Cement and 3M™ Scotchbond™ Universal Plus Adhesive in the total-etch technique.

About the Case

The female patient was referred because of problematic central incisors restored with old PFM crowns, having insufficient endodontic treatment. Both crowns were removed and after endodontic retreatment and core build-up provisional crowns made of 3M™ Protemp™ 4 Temporization Material were placed. The patient paused the treatment and returned after eight years with the same Protemp 4 crowns. The case was finished with lithium disilicate glass ceramic crowns, cemented with 3M™ RelyX™ Universal Resin Cement and 3M™ Scotchbond™ Universal Plus Adhesive in the total-etch technique.

Initial situation

Initial situation.

Removal of PFM restorations

Removal of PFM restorations.

Stumps after removal of build-up

Stumps after removal of build-up.

Final preparations with new core build-up

Final preparations with new core build-up.

Temporary crowns

Temporary crowns made with 3M™ Protemp™ 4 Temporization Material.

Provisional crowns after eight years in situ

Provisional crowns after eight years in situ.

Provisionals removed

Provisionals removed.

HF etching of bonding surface

HF etching of bonding surface.

Priming adhesive after application

Priming adhesive after application with 3M™ Scotchbond™ Universal Plus Adhesive.

Preps ready for pre-treatment

Preps ready for pre-treatment.

Total-etch technique

Total-etch technique.

Application of adhesive after application

Application of 3M™ Scotchbond™ Universal Plus Adhesive after application.

Air-drying adhesive

Air-drying adhesive.

Application of cement

Application of 3M™ RelyX™ Universal Resin Cement.

Seated crowns

Seated crowns.

Excess cement clean-up with brush

Excess cement clean-up with brush.

Covering of margins with glycerin gel

Covering of margins with glycerin gel.

Final light-cure

Final light-cure.

Final result

Final result.

Rafal Medzin

Dr. Rafał Mędzin

Learn more about Dr. Rafał Mędzin
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