How should indirect restorations be pretreated before cementation with RelyX™ Unicem Cement?
Depending on the type of restoration we recommend the following pretreatment methods: Pre-treatment of Etchable Glass Ceramic Restorations Please follow the instructions for use applicable to the product being used. If the manufacturer has not provided deviating instructions, we recommend the following procedure: • Use hydrofluoric acid to etch the inner surface of the glass ceramic restoration. • Rinse thoroughly with water for 15 seconds and dry with air free of water and oil. • Apply a silane in according to the manufacturer’s instructions for use (e.g. RelyX™ Ceramic Primer by 3M ESPE) Pre-treatment of Zirconia and Aluminum Oxide Ceramic Restorations Please follow the instructions for use of the restoration material. If the manufacturer has not provided deviating instructions, we recommend the following procedure: Alternative 1: • Blast the inner surface of the restoration with aluminum oxide <= 40µm. • Clean the blasted surface with alcohol and dry it with air free of water and oi
