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46 INSTRUMENTS AND APPLIANCES
working part of pluggers is known as the Nih. The Shank is
the part connecting the handle or shaft with the blade or nib.
The taper from handle to blade is to impart proper balance to
~M
11
5=1
ill
a=s
ill
3=
Sr
ii
\4m
m
ii'iij'ii
fir^
Fig. 50.—Vulcanite instrument handles. Fig. 51.—Steel cone-socket instru-
ment handles.
the instrument and to give shape, lightness of touch and
delicacy of manipulation. Most modern hand instruments in
dentistry are intended for delicate manipulation and require
