The aims of tooth preparation are to.
Tooth preparation for laminate veneers.
Meticulous tooth preparation is required with porcelain laminate veneers.
Preparation to prepare a tooth for a veneer your dentist will reshape the tooth surface which is an amount nearly equal to the thickness of the veneer to be added to the tooth surface.
The main objective of tooth preparation is to create sufficient space for the restorative material to exhibit excellent esthetics and fracture resistance when in function.
The first fit system uses 3d printed guides and a specially designed handpiece for guided veneer preparation using either a one step or a two step approach.
For ce ramic veneers the minimum required thick ness is approximately 0 3 to 0 5 mm on the buccal surface and 1 5 mm on the incisal edge.
Provide sufficient thickness for the porcelain for adequate fracture resistance and not to over contour the final restoration.