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250 HISTOKY OF DENTAL SURGERY :
eeary of St. Germain, and he called the attention of M. Guerard, a manufac-
turer of porcelain in Paris, to his discovery of a paste which, when baked, be-
came very hard. The latter undertook to manufacture the substance, and with
Hie aid of a dentist, probably De Chemant, produced the first denture of this
material. Duchateau communicated his discovery to the Academy of Surgery
in 1776, but he did not receive much encouragement.
In 1778 De Chemant says:
"I was induced to reflect on the possibility and means of making teeth and
sets of teeth of durable and incorruptible materials. I examined almost all
the substances of the mineral kingdom, and at length composed a paste which,
when baked (porcelain) had every desirable advantage."'
Delabarre says:
''In 1787 De Chemant received from the elder Darcet the idea of coloring
the enamel instead of painting. He presented a memorial to the Academy of
Surgeons and the Academy of Medicine in 1787, and took out a patent secur-
ing to himself the sole right to manufacture mineral teeth for fifteen years."
Desirabode says
"Fauchard seems to be the inventor of porcelain teeth, then Duchateau
improves the manufacture; De Cliemant by accident gets hold of the secret,
which he further improves and gives as his own in 1788 when he published
the first edition of his work. De Chemant carried the art to England where
he obtained the exclusive right to work the invention for twelve years."
The fifth edition of ''A Dissertation on Artificial Teeth," by De Chemant,
published in London in 181 fi, contains a page of engravings illustrating the
various types of dentures which he could supply to his patients. Here is
shown a porcelain bridge of ten teeth supported by four pivots, by which it is
fastened to roots in tlie jaw; also full and partial dentures, and a single pivot
tooth fastened with silk ligatures.
He draws a parallel between teeth of animal and mineral substances, al-
v.ays deciding in favor of the latter, which were of his own invention. He says
"With my mineral paste lost parts of the bony palate and of tlie gums may
be repaired; also parts of the face which have been disfigured or destroyed."
He says he was a surgeon in 1788 and gives the following address De Chemant,
:
Surgeon, No. 2 Frith street, Solio, London.
"To De Chemant is due the credit of perfecting the invention. He bought
the right from Duchateau and then submitted some of the teeth to a com-
mittee from the Frencli Academy of Science and they reported favorably ; then
he, with the assistance of M. Dubois, a dentist, greatly improved the new sub-
stance— porcelain."
250 HISTOKY OF DENTAL SURGERY :
eeary of St. Germain, and he called the attention of M. Guerard, a manufac-
turer of porcelain in Paris, to his discovery of a paste which, when baked, be-
came very hard. The latter undertook to manufacture the substance, and with
Hie aid of a dentist, probably De Chemant, produced the first denture of this
material. Duchateau communicated his discovery to the Academy of Surgery
in 1776, but he did not receive much encouragement.
In 1778 De Chemant says:
"I was induced to reflect on the possibility and means of making teeth and
sets of teeth of durable and incorruptible materials. I examined almost all
the substances of the mineral kingdom, and at length composed a paste which,
when baked (porcelain) had every desirable advantage."'
Delabarre says:
''In 1787 De Chemant received from the elder Darcet the idea of coloring
the enamel instead of painting. He presented a memorial to the Academy of
Surgeons and the Academy of Medicine in 1787, and took out a patent secur-
ing to himself the sole right to manufacture mineral teeth for fifteen years."
Desirabode says
"Fauchard seems to be the inventor of porcelain teeth, then Duchateau
improves the manufacture; De Cliemant by accident gets hold of the secret,
which he further improves and gives as his own in 1788 when he published
the first edition of his work. De Chemant carried the art to England where
he obtained the exclusive right to work the invention for twelve years."
The fifth edition of ''A Dissertation on Artificial Teeth," by De Chemant,
published in London in 181 fi, contains a page of engravings illustrating the
various types of dentures which he could supply to his patients. Here is
shown a porcelain bridge of ten teeth supported by four pivots, by which it is
fastened to roots in tlie jaw; also full and partial dentures, and a single pivot
tooth fastened with silk ligatures.
He draws a parallel between teeth of animal and mineral substances, al-
v.ays deciding in favor of the latter, which were of his own invention. He says
"With my mineral paste lost parts of the bony palate and of tlie gums may
be repaired; also parts of the face which have been disfigured or destroyed."
He says he was a surgeon in 1788 and gives the following address De Chemant,
:
Surgeon, No. 2 Frith street, Solio, London.
"To De Chemant is due the credit of perfecting the invention. He bought
the right from Duchateau and then submitted some of the teeth to a com-
mittee from the Frencli Academy of Science and they reported favorably ; then
he, with the assistance of M. Dubois, a dentist, greatly improved the new sub-
stance— porcelain."
