GC EUROPE Fujivest Super - Manual (Page 56)

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Fig. 34 A pear shaped tungsten carbide bur is
used for trimming the frame work. Fig. 35 A permanent marking felt pencil is used
to mark the reduction for the porcelain margin.
Fig. 36 The mesial and distal metal-ceramic-junction
is defined using a fine cut off disc. Fig. 37 The bulk of the metal is being trimmed
using a coarser cut off disc.
Fig. 38 It is important to check that the mesial
metal-ceramic-junction is placed in the non-visible
area.
Fig. 39 Sharp mechanical edges are the result of
trimming the metal with tungsten carbide burs
which is obstructing to the application of the
wash opaque.