Extent of lower gridwork/ lattice posteriorly (distal free end)
2/3 of edentulous ridge
Extent of upper gridwork/ lattice posteriorly (distal free end)
entire edentulous ridge
Extent of gridwork/ lattice buccally
2-3mm bucally from the crest
Extent of gridwork/ lattice labially
crest of edentulous ridge
Distance between the gridwork (#18 round)
5mm
Distance between the gridwork (#16 1/2 round)
between pontics
Width of the lattice
1mm