Ivoclar Vivadent Vectris - Manual (Page 25)

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WORKING
PROCEDURE
3.3 Pontic/abutment contact layer
The pontic/abutment contact layer has a significant effect on the stability and torsional resistance of the bridgework. The
contact layer is designed according to the space available. For full coverage bridges, the contact layer should measure at
least 3 x 3 mm and be 0.3 mm thick. If enough space is available, it is advisable to contour a cusp-supporting pontic/
abutment contact layer in wax in order to attain a consistent layer thickness of approx. 1.5 mm in the veneering material.
For inlay-retained bridges, the pontic/abutment contact layer should be at least 0.3 mm thick and 4 mm long.
Limited space available Ideal space available
Pontic/abutment contact
area on anterior teeth
Pontic/abutment contact
area on molars
Pontic/abutment contact
area on premolars
≥ 0.3 mm
≥ 0.3 mm
≥ 0.3 mm