Page 77 - My FlipBook

FILLING TEETH 6i

the Avearing of tlio surface of a non-cohesive phig,
and may produce a durable filHng in place of a
readily worn away or disintegrated one. The
writer has a distinct prejudice in favour of an
all-cohesive filling, or an all-non-cohesive filling,
providing either one is sufficiently perfect to serve
its purpose ; but he willingly admits that these
combination fillings serve a very useful purpose,
and are often preferable to any attempt that may
be made with either material used singly. He
would also beg to suggest that a young dentist, who
has not had the time or experience to enable him
to become an expert in either the cohesive or
the non-cohesive method, may find these combina-
tion fillings a very useful bridge at the outset of
his career.
Instruments for Filling Teeth with Gold.— The
pluggers used for filling teeth with gold are many
and various. Such a large number have been
designed that it is hard to make a selection. The
difficulty is not so much in knowing what to choose,
as what to reject, for it is impracticable to regularly
use more than a certain number. Those shown in
diagram on following page are all useful.
Two or three sizes of point of each instrument
may be used, varying from about one thirty-second
to one sixty- fourth part of an inch in diameter,