Page 204 - My FlipBook

172 FILLING MATERIALS

then polish. Directions for pohshing fillings are given on
page 185.
2. The Ribbon Method.—This method is practically the
same as the preceding, except that instead of the use of cyl-
inders, long ribbons, rolls or ropes are folded upon themselves,

starting on the floor of the cavity, against the lateral wall
farthest away, and gradually condensing ribbons against all
four walls, then in the center, and finally in any place they can
be wedged, always carrying the ribbon to the floor of the cav-

188. —
FiG. -The ribbon method.

ity, if possible and extending it well above the margins to
allow enough excess for finishing (Fig. 188).

Technical Exercises

1. Prepare rolls, ropes, ribbons, cylinders and mats or

cushions, according to the directions previously given.
2. Fill the simple cavities prepared in the bone handle,
using for one, the rolls; for another, the ropes; for the third,
the ribbons; the fourth, the cylinders; and the fifth, the
cushions.

3. (a) Take a measurement of the circumference of the
handle at the end containing the compound mortise form, and