Research Article
In Vitro Evaluation of the Effect of Different Luting Cements and Tooth Preparation Angle on the Microleakage of Zirconia Crowns
Table 1
Classification and batch number of the tested cements.
| Product | Type | Delivery system | Lot no. | Manufacturer |
| RelyX™ Unicem | Dual-cure self-adhesive resin cement | Automix syringe | 5220265 | 3M ESPE, St. Paul, MN, USA | RelyX™ Ultimate | Dual-cure self-etch or total-etch resin cement | Automix syringe | 5238608 | 3M ESPE, St. Paul, MN, USA | GC Gold Label | Self-cure glass-ionomer cement | Powder/liquid | 180425D | GC Dental, Tokyo, Japan | Hoffmann’s cement | Self-cure zinc phosphate cement | Powder/liquid | 7670 | Hoffmann Dental Manufacturer GmbH, Berlin, Germany |
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