Ivoclar Vivadent IPS Eris for E2 - Manual (Page 24)

24
If the stipulated minimum layer thicknesses and
minimum connector dimensions are not observed,
the IPS Empress 2 / IPS Eris for E2 bridges may
develop cracks, delamination, tears, and fractures.
Correct: The framework design supports the cusps. The wall thickness of the framework is at least 0.8 mm. Only this design ensures adequate stability.
Incorrect: The relationship between the framework and the total space available is not proportional.
Layering material
Minimum framework
thickness 0.8 mm
Correct!
Cusp-supporting
contouring
•
•
•
Layering material
Minimum framework thik-
kness 0.8 mm
Correct!
Cusp-supporting
contouring
•
•
•
Layering material
Incorrect!
The framework
material is too thin in
relation to the layering
material
•
•
Layering material
Incorrect!
The framework material
is too thin in relation to
the layering material
•
•
Various framework-pontic
designs in the posterior region
Various framework-pontic
designs in the anterior region
Various framework-pontic designs