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CHAPTER V

PORCELAIN INLAYS

Of late years this method of filling teeth—for in-
lays may certainly be regarded as fillings—has come
to the front in no uncertain manner, owing to a
great extent to the invention of small, convenient,
and reliable furnaces ; but perhaps still more to the
invention by Dr. Jenkins of a thoroughly reliable,
low-fusing dental porcelain, and the very complete
manner in which he has worked out and described
the whole method of manipulation.
So much has been written on this subject that it
is unnecessary in these " Notes " to do more than
briefly allude to certain points connected with it.
It seems hardly correct to say that the margins
of a cavity properly prepared for an inlay should
not be bevelled ; rather should it be laid down that
the enamel border should be cut in the same plane,
or at the same angle as the dentine ; in other words,
that the walls of the cavity may slope outwards
from the floor, and that a general bevelling of the
walls of the cavity is permissible, but that any
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