Blog / Clinical Cases / Total-etch adhesive cementation of a zirconia Maryland bridge

Brain Floss Blog


October 13, 2025

Clinical Case: Total-etch adhesive cementation of a zirconia Maryland bridge

Using 3M™ Scotchbond™ Universal Plus Adhesive, 3M™ Filtek™ Universal Restorative.


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About the Case

A 27-year-old patient with a congenitally missing tooth 22 received orthodontic treatment for three years, however no sufficient space for placing an implant was achieved, due to root proximity (wagonwheel effect). Treatment plan decision was to place a resin bonded uni-wing Maryland bridge. After extraction of the persistent deciduous lateral incisor, pontic site development was performed with the help of a removable retainer. A very shallow preparation of the palatal surface of the left central incisor with a small positioning groove was performed. A labially veneered zirconia bridge was fabricated and bonded with 3M™ RelyX™ Universal Resin Cement and 3M™ Scotchbond™ Universal Plus Adhesive following a total-etch adhesive protocol.

Situation after extraction with flexible retainer for pontic site development.

Pontic site developed.

Palatal view of preparation on model.

Maryland bridge with retention element. Pre-treatment of bonding surface was done by sandblasting followed by priming.

Etching of preparation.

Restoration in place after final clean-up.

Final situation.

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The following products were used


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