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HISTOKY OF DENTAL SURGEKY 89
friction wearing the wooden pivot off, to redrill tlie cavity with the end
of the pivot in it out again, to replace it hy another wooden pivot. After
tliis, except in extraordinary cases, I never used metallic pivots for single
teeth, and the mouth was sweet and clean by those wlio were careful to tirush
their teeth regularly."
He credits his father, John Greenwood, with being tiie first to use the
"foot drill" in dentistry, having con,-.tructed one out of an old spinning
wlieel belonging to his grandfather. This he also used, after his father's
death, for twenty years. He states that the hand bow-drill was well known
prior to that time, but tliat he had never used the hand drill to perforate
the roots of teeth for pivots, "but a drill instrument with a spear-shaped jioint
gauged for the depth of the ])ivot, to drill the roots to receive the wooden
or metallic pivot: but to make the hole to receive the pivot in the tooth,
I always used the foot-drill." He claims to have been the first dentist who
had mineral teeth prepared with holes in them to receive wooden pivots.
ISAAC GREENWOOD, JR.
In 1783, Is.\AC Greexwood. Ju., brother of John Greenwood, ivory turner
and dentist of Boston, came to New York as soon as tlie British had evacuated
and advertised himself as a dentist "at Mrs. Richardson's House No. 34 Old
Slip."' His card ]n-inted in "Rivington's Gazette" of December 34th reads
as follows
Mr. fireeiiwooil. Surgeon Dentist (lately arrived in this City), Begs leave to
acquaint the publick that he Preserves the Teeth and Gums by removing an infectious
Tartar that destroys them and renders the natural purity of the breath offensive. He
cures the Scurvy in the Gums; also fastens the teeth by causing the gums to grow up
and adhere to them. He extracts and replaces the Teeth, and makes them white. He
substitutes Artificial Teeth in so neat a m.inner as not to be perceived from natural
ones, without drawing the stumps or causing the least pain. They give a youthful air
to the countenance, and render pronunciation more agreeable and distinct; in a word
both Natural and Artificial are of much real service—^it is a folly to neglect them.
And as he would ever have his work recommend him, he requires no pay from those
who are not completely satisfied with his performances. He has Pills for the Tooth
Ache, that seldom fail to give relief; likewise boxes of Teeth Powder and Brushes that
will recommend themselves. N. B.—Mr. Greenwood will with pleasure attend those
Ladies and Gentlemen who cannot conveniently wait on him at his room in Mrs.
Richardson's house. No. i4 at the Old Slip in New York.
He left New York in ITS,") to locate in Charleston, S. C, but for some
reason or other he concluded to return north and then settled in Providence,
HISTOKY OF DENTAL SURGEKY 89
friction wearing the wooden pivot off, to redrill tlie cavity with the end
of the pivot in it out again, to replace it hy another wooden pivot. After
tliis, except in extraordinary cases, I never used metallic pivots for single
teeth, and the mouth was sweet and clean by those wlio were careful to tirush
their teeth regularly."
He credits his father, John Greenwood, with being tiie first to use the
"foot drill" in dentistry, having con,-.tructed one out of an old spinning
wlieel belonging to his grandfather. This he also used, after his father's
death, for twenty years. He states that the hand bow-drill was well known
prior to that time, but tliat he had never used the hand drill to perforate
the roots of teeth for pivots, "but a drill instrument with a spear-shaped jioint
gauged for the depth of the ])ivot, to drill the roots to receive the wooden
or metallic pivot: but to make the hole to receive the pivot in the tooth,
I always used the foot-drill." He claims to have been the first dentist who
had mineral teeth prepared with holes in them to receive wooden pivots.
ISAAC GREENWOOD, JR.
In 1783, Is.\AC Greexwood. Ju., brother of John Greenwood, ivory turner
and dentist of Boston, came to New York as soon as tlie British had evacuated
and advertised himself as a dentist "at Mrs. Richardson's House No. 34 Old
Slip."' His card ]n-inted in "Rivington's Gazette" of December 34th reads
as follows
Mr. fireeiiwooil. Surgeon Dentist (lately arrived in this City), Begs leave to
acquaint the publick that he Preserves the Teeth and Gums by removing an infectious
Tartar that destroys them and renders the natural purity of the breath offensive. He
cures the Scurvy in the Gums; also fastens the teeth by causing the gums to grow up
and adhere to them. He extracts and replaces the Teeth, and makes them white. He
substitutes Artificial Teeth in so neat a m.inner as not to be perceived from natural
ones, without drawing the stumps or causing the least pain. They give a youthful air
to the countenance, and render pronunciation more agreeable and distinct; in a word
both Natural and Artificial are of much real service—^it is a folly to neglect them.
And as he would ever have his work recommend him, he requires no pay from those
who are not completely satisfied with his performances. He has Pills for the Tooth
Ache, that seldom fail to give relief; likewise boxes of Teeth Powder and Brushes that
will recommend themselves. N. B.—Mr. Greenwood will with pleasure attend those
Ladies and Gentlemen who cannot conveniently wait on him at his room in Mrs.
Richardson's house. No. i4 at the Old Slip in New York.
He left New York in ITS,") to locate in Charleston, S. C, but for some
reason or other he concluded to return north and then settled in Providence,
