Page 613 - My FlipBook

A. i

Fig. 383. The fi:it surface of (he straight file in position trimming
fillmg. tlie lingual portion of the
^^^'' ''"'"^ ^^' surface of one of the bent flies in position for trimming the buccal portion of
i, ^Z^"'
the hlling ami showing the trimming done by the tile in Figure .385.
Fig. 387. The flat file smoothing the gingival portion of the filling and showing the trimming t
clone in Figure 386. = =
Fig. 388. The eonve.\ side of the bent file in position rounding up to the contact point. These
ma.y be made to approach the contact point from every direction, leaving it as prominent as may be
desired. After the occlusal surface has been otherwise reduced to tomi,
this file is again used from
the occlusal for rounding away the marginal ridge, which is left sharp by other instruments, to the
normal tooth form.