Page 334 - My FlipBook

298 HISTOEY OF DENTAL SURGERY

cutting edges of the lower incisors to resist the
strain. In hiter years this appliance was greatly
improved from time to time and was consid-
ered so valuahle that several authors laid claim
Fig. 6 to its origination. Its use, however, was open
' '
Delabarre 's ' crib (F) to some ohjections which gradually led to its
abandonment.
Delabakre—of Paris (1819), in his work on
"Second Dentition," has much to say upon the
subject of regulating. He describes and illustrates
for the first time a metal appliance for rotating a
Fig. 7
tooth. Previously this operation, though seldom
Crib in Position (F)
resorted to, consisted in turning the tooth by
means of a notched hickory stick applied daily,
or by a silk ligature passed around the tooth and
tied, and then carried to some distant tooth and
secured. Delabarre's appliance consisted of a metal
box "or band fitted closely to the tooth with a
short open tube soldered endwise to the labial or
Fig. 8
lingual surface. This tube was threaded on the
Desirabode (1S23) (F)
inside and engaged the end of a rod of gold wire
bent at right angles near the end and also threaded.
The farther end of the wire was formed into a loop.
The threaded end of the wire being screwed into the
tube on the band, the latter was placed upon the tooth
and the free end bent down and tied through the loop
to some posterior tooth. The spring of the wire
caused the tooth to turn in its socket.
Fig. 9
Delabarre also devised tlie first wire crili {[/rill-
Bauds with Crown Caps
age) to keep side teeth apart while moving front
Desirabode (F)
ones, a device which later found greater usefulness
as an anchorage for the attachment of accessory devices in regulating. The
crib consisted of six pieces of gold wire bent and soldered together as shown
in Fig. (6). When completed the sides were bent slightly toward each
other so as to hug the teeth closely at their necks when sprung into position.
Its application is illustrated in Fig. (7).
Desirabode— (1823) introduced the double metal band w-ith ferrules
for the anchor teeth, as shown in Fig. (8). The narrow strips he called
"bandelettes" and the ferrules "hraccUts." The inner band was evidently