Page 121 - My FlipBook

FILLING TEETH 105
heating, by dipping them in a suitable hibricant.
The amount of pain that may be given by the use
of dry discs or burs can only be realised by one who
It may also be mentioned, that
has experienced it.
a dentist who has had personal experience as a
patient of the free and vigorous use of trimming
and polishing strips below gum margins, will use the
Rhein plug-trimmers, fine thin chisels, and thin flat-
tened burnishers, as much as possible in this region,
especially on bicuspids and molars, when cervical
trimming with sandpaper discs is inadvisable. The
finishing of gold fillings is often tedious, and takes
up much time ; there is usually very little space to
work in, and freedom in the use of the methods
employed is in many cases impossible. It may
however be laid down as an axiom, that extra care
and time spent in preparing a cavity will facilitate
and improve the filling, and that extra care and
time spent on the filling will reduce the time and
labour necessary to spend on the finishing.
General Considerations of Gold as a Filling Ma-
terial.—The value of gold as a tooth- saving material
depends on an exact preparation of cavities on
certain lines, an excellent manipulation of the gold
in the cavity, and careful finishing of the filling. If
is the best
the conditions are favourable for this, it
material. Its successful use depends not only on a