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CUTTING INSTRUMENTS. 43
The cleoid is used most for trimming out the angles of pulp
chambers in order to reach the canals with the broach more
readily, especially the canals in the mesio-buccal roots of the
upper molars and the mesio-buccal and mesio-lingual angles in
the lower molars.
Abbangement of Instruments in the Operating Case.
The following is presented as a very satisfactory arrange-
ment of the instruments of the University set in the operating
case:
Chisels.