One of the most common questions our clinical territory managers receive is how a new material compares to IPS e.max CAD. Obsidian milling blocks, sold by Zahn Dental, is one of the newest CAD/CAM materials to enter the market. With so many factors to consider, below is a chart that compares a few of the basic features.
|IPS e.max® CAD||Obsidian™|
|Composition||70% lithium disilicate||50% lithium silicate|
|Clinical Data||97.9% Survival Rate
(mean observation of 6 clinical studies of 4 years)1
|Dental Advisor Study focusing on (1) year performance of anterior and pre-molar crowns|
|Crystallization Time||15 minutes with speed crystallization program in Programat CS/CS2 furnace2||Approximately 30 minutes in standard ceramic furnace3|
|Flexural Strength||360 MPa2||357 MPa3|
|Adjustment Protocol||Material can be adjusted prior or post crystallization2||Material can be adjusted prior to crystallization only3|
|Authorized for Use in Sirona Milling Units||Yes||No|
|Material Shades/Translucencies||20 A-D and Bleach Shades4 Translucencies(LT, MT, HT, Opal)||14 A-D and Bleach Shades1 Translucency (LT)|
|Indications||Crowns, veneers, inlays, onlays, 3-unit bridges, abutments2||Crowns, veneers, inlays and onlays3|
IPS e.max CAD is a material that offers efficiency, durability and esthetic options. Make your next restoration with confidence. Make it with IPS e.max® CAD.