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Figs. 415, 416. Tying on the matrix.
Fifi. 415. A buccal view of the matrix tied in place on a molar tooth, showing the several laps
of the ligature tied with the surgeon's knot.
Fig. 416. An occlusal view of the same tooth with the matri.\ in place and showing the occlusal
view of the cavity. A little earnestness in gaining facility in placing this form of matrix soon removes
the principal difficulties. It is then done easily, quickly and gives the most perfect fitting matrix yet
devised.
43a
