Emax lithium disilicate
Silica based glass ceramic (as are leucite-reinforced and feldspathic). This surface is etchable as opposed to the oxide-based ceramics.
If cut back nano-fluorapatite is used.
1.5mm emax will withstand higher loads than PFM I can’t see this article but claimed it’s in here
- 16 Square mm int he posterior
- 12 square mm in the anterior