Blog / Clinical Cases / Total-etch adhesive bonding of a chairside CAD/CAM glass ceramic overlay

Brain Floss Blog


September 20, 2026

Clinical Case: Total-etch adhesive bonding of a chairside CAD/CAM glass ceramic overlay

Using 3M™ RelyX™ Universal Resin Cement and 3M™ Scotchbond™ Universal Plus Adhesive.


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About the Case

The 61-year-old female patient had a fractured cusp and secondary caries on tooth 35. The tooth was restored with a Straumann® n!ce® A2 HT overlay manufactured in a chairside CAD/CAM process. 3M™ Scotchbond™ Universal Plus Adhesive was used as restoration primer and tooth adhesive with a total-etch technique. 3M™ RelyX™ Universal Resin Cement was used as the cement.

Close-up of lower molars showing a tooth with a large cavity and surrounding gum tissue

Initial situation.

Close-up of lower molars and premolars with one tooth restored by a dental crown showing metal margins

Preparation.

Close-up of lower molars and premolars with dental crown on one molar and visible gum tissue

Try-in of glass ceramic overlay.

Close-up of a dental tool holding a pink dental mold with a small cavity being treated by a syringe-like instrument

HF etching.

Dental implant abutment with a dental crown above a blue-handled applicator with a yellow foam tip

Application of 3M™ Scotchbond™ Universal Plus Adhesive as silane primer.

Close-up of a tooth prepared for dental restoration with a metal dental dam clamp and blue rubber dam isolating adjacent teeth

Preparation ready for bonding.

Close-up of three teeth isolated with a dental rubber dam and metal clamp during a dental procedure

Seating of the restoration.

Close-up of dental procedure with metal clamp and dental instruments on molars isolated by blue rubber dam

Excess clean-up.

Close-up of two teeth isolated with a dental rubber dam and metal clamp during a dental procedure

Light-curing.

Final situation right after placement.
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The following products were used


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