Figure 4
A clinical case of each abutment tooth milled on the lingual and mesiodistal axial surfaces (blue line) of the maxillary dentition.
a: Each abutment tooth milled on the lingual and mesiodistal axial surfaces.
b: The bracing clasp (reciprocal clasp) as a direct retainer is fully seated and the lingual contour of the abutment teeth is restored.