Page 151 - My FlipBook

Fia. 52.

Fig. 52. Finger position for operations on the occlusal surfaces of the lower molars of the left
side. The forefingpr has crossed the arch and is holding away the tongue. Right side behind position
at chair.
Fig. 53. Finger position for use of the straight hand-piece of the engine in the buccal sur-
faces of the lower molars. Notice that the third finger of the right hand is resting firmly on the
gum holding away the lip and the point of the instrument crosses over it and is at work to the
mesial of the finger end. Right side behind position at chair.
10a