Insert the shank according
to the instructions of the manufacturer. Insertion should
be for the full length, and if necessary use the bur changer
provided by the manufacturer for this purpose. Finishing diamonds
are preferably inserted without the use of a bur changer as
with the new type of springloaded chucks. Diamond instruments
with fine points can easily be damaged if a bur changer is
use the handpiece or contra angle above the prescribed velocity
as per Speed Table shown below. The recommended r.p.m. should
speed should be reached before operating in the mouth of the
patient. Technicians should run the handpiece at full speed
before application to the product on which work is being performed.
If instruments become bent, be sure to remove them from all
further use. Use of these instruments could be dangerous for
the dentist and patient, as well as the technician.
Always use spray.
should be 20-50 p for all FG instruments, as well as for handpiece
or latch-type instruments with diameter up to 023, in other
words work with as little pressure as possible. Handpiece and
latch-type instruments (not FG) with diameters 025 and larger,
may be used with pressure up to 500 p.
work with a pulling motion to be sure that the instrument remains
firmly seated during the entire operation.
apply leverage or a twisting motion.
use safety glasses.