The morning call. [volume] (San Francisco [Calif.]) 1878-1895, 1894-06-12

address, and saluted his audience as EEL
low-dentists." When the general laugh
had subsidized the speaker remarked that
his profession warranted him the use of
such an expression inasmuch as he had
already made record for both drilling
and plugging holes in armor plates.
we welcome you, brother dentists, with
open mouths" he continued. 1.-The fact
is. studied over this sentence good deal
and finally came to the conclusion that.
considering your profession, open mouths
would be better expression than the
hackneyed open arms"
Mr.. Scott then reviewed the marvellous
development in dental skill since his boy
hood. when The only treatment for dis
eesed tooth was TO have it pulled. He
congratulated the profession upon its
achievements and closed by extending IN
invitation to the delegates 10 visit the war
ship, now lying in Mission Bay, on the
Union Iron Works tughoat Rnckaway.
DR.. u. A. league followed with brief
address in which he took occasion to allude
to tho progress OF dentistry in this country
but more especially 10 San Francisco.
He credited the local members of the
fraternity with number of valuable i'm
proveDents in the practice of the profess
sion, among them being combination of
platinum with gold, known as the colored
tooth, the Invention of DR.. Charles E.
Blake: the comhinaf lion of rubber with
gold. devised by DR.. G. w. Cool; the Rich
mona Improvement on crown and bridge
work; the rubber dam, first used by DR..
H. II. Pierson of Sacramento; DR.. F. A.
Brewers invention of bayonet-root canal
drill. and The gold crown. invented by DR..
j. Z. Beers.
Other improvements enumerated by DR..
league attributed to California practi-
tioners were: Regulation by silk thread :;
the fixing OF natural crowns on foreign
roots; the inlaying and restoration of lost
portions OF teeth by pisces of artificial or
natural teeth; the lining of teeth with
gold; the perfection of nsplentation
and replantatiOD; prevention of facial de-
formities and disfguremsnts by alveolsr
a0scess; the use of running water to re-
lieve pain; removal OF necrosis by Tactic
acid. and operation of implantation.
DR.. w. j. Younger was then chosen pres
ideut of the congress by reclamation.
The list OF yice-presidents selected is as
Burkhardt OF Tacoma. DR.. Cool of Oak
land, DR.. Dunbar of San Francisco, DIR.
z. Il. Smith of Denver, Dr. Dunford of
Salt Lake. DR.. Demorest of Chile and Drs.
Bird, Merriam, Goddard. De Crow, Met
calf, Chance. Blist, Parsons. Townsend
and Bonwill.
w. 6. King was chosen secretary, G. E.
Post assistant secretary and w. c. Reith
CORES bonding secretary.
At the opening Of the afternoon session
DR.. Younger was officially installed as
president, being escorted to the chair by
Drs. Dunn and Roberts.
''Tbe Sheaths OF Neumanu and Their
Contents" was the title of the first paper
read, being written by DIR. A. Ii. LAWNS
of Denver an read by DR.. Lewis.
He said that it had been the custom of
every ambitious dentist for many years TO
exhaust his efforts and ingenuity in trying
10 discover some means by which to over
come constituencies under dental work.
Although hundreds of drug formula have
been carefully prepared for local applica-
tiOn. he commended that none had proved
successful, nor would there ever be any
thing like specific as local application.
He explained that the senstiveuess re-
sides in the soft protoplasmic fibers known
as the Tones fbers. These odontoblastic
processes extend from the surface of the
pulps toward the periphery of the dentine
and for the most part end in the granular
layer Before reaching this situation, how
ever. most of the fbers divide one or more
times in dichotomous matter.
he sheaths of NeumaD, he explained,
are the immediate walls of the canals
through which the fibers run. The sheaths
are made up, as nearly as can be ascer-
tanned. of q peculiarly modified form Of
protoplasm with large per cent of phos-
phnrus, the sheatbs being thicker and
sitter in mature dentins than in an in
cipient form, growing thicker as age ad-
vances.
The speaker commended that in view of
these circum instances 1t was impossible to
reach the soft fiber without first destroy