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28 MFXIIANICAI. DENTISTRY AND METALLURGY.

a large, coarse-featured man, or a delicately-organized wo-
man; a miss of eighteen or a matron of fifty; a brunette or
a blonde,—these and other varieties present as many dif-
ferent types, with teeth, in size, shape, color, density, etc.,
corresponding. If, then, teeth correlated in their character-
istics to those which nature assigns to one class be inserted
in the mouth of one whose physical organization demands
a different order, the eft'ect cannot be otherwise than dis-
pleasing to the eye, whether the observer he skilled in per-
ception, or intuitively recognizes inharn.iony without under-
standing the cause."
Re-posing the Features,— By the term re-posing the fea-
tures, we include everything necessary to bring each and
all of the visible part of the face and mouth into harmony
of relation to each other. This necessarily includes the
teeth; the relation of the lower to the upper jaw; the lips,
cheeks, and the soft parts of the face that have assumed a
wrong position by the reason of the loss of the natural
organs. After the teetli have been selected with color and
form adapted to the individual patient, the final position
of the features becomes the most important question. The
visible portions of the teeth may be of good form, color,
and arrangement, and yet other points of the form may
render them unfit for the case. We refer to the placement
of the teeth in the mouth in such a position, in relation to
the alveolar process, or gums and lips, cheeks and tongue,
as to bring the features into correct pose. For this pur-
pose teeth with long porcelain gum attached (gum teeth)
will be required in some, while in other cases plain teeth
will be demanded, as the space to be filled out to give the
features the proper pose be great or small. This relates
to full dentures, and even to partial cases.
With the loss of the teeth the general pose of the
several parts of the lower face is seriously disturbed.
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