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Barnes dental gold casting machine

https://mhc.andornot.com/en/permalink/artifact13530
Dates
1918
1927
1918-1927
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020409 a-d
Description
Dental casting machine (a); brown wooden rectangular base; cylindrical yellow metal pump to one side; brown wooden cylindrical handle at top; larger cylindrical yellow metal tank with raised border around middle and gauge at top, printed with black enamel and covered with clear glass; gauge shows n…
  5 images  
Accession Number
010020409 a-d
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Denture, Partial
Dental Restoration, Permanent
MM= Dental Casting Technic -- casting appliance
Description
Dental casting machine (a); brown wooden rectangular base; cylindrical yellow metal pump to one side; brown wooden cylindrical handle at top; larger cylindrical yellow metal tank with raised border around middle and gauge at top, printed with black enamel and covered with clear glass; gauge shows numbers 0-30; red rubber tube comes from tank, would attach to press; metal valve coming from bottom of tank; black rubber tube goes between tank and pump; black-enamelled silver metal press in middle of base; lever with brown wooden bulbous handle at front; pulling lever down causes silver metal cylinder to move down toward base; metal disc (b) with five perforated holes in middle fits into base underneath lever; smaller disc (d) screws onto bottom of silver metal cylinder; cylindrical dish (c) with matching perforated holes sits on larger disc; white fabric tube, covered with red rubber, goes from bottom of cylinder up to top of press
Number Of Parts
4
Part Names
a - machine - Size: Length 55.0 cm x Width 54.6 cm x Depth 22.3 cm
b - disc - Size: Depth 3.0 cm x Diam. 10.5 cm
c - dish - Size: Depth 3.5 cm x Diam. 6.8 cm
d - disc - Size: Depth 2.3 cm x Diam. 6.5 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Burns Dental Casting Machine Co.
Site Made (City)
Flushing, Long Island
Site Made (State)
New York
Site Made (Country)
United States of America
Dates
1918
1927
1918-1927
Date Remarks
Based on patent dates
Material
wood: brown
metal: yellow, silver
rubber: red, black
enamel: red, black
glass: clear
fabric: white
Inscriptions
(a) Embossed on side of machine: "BURNS DENTAL CASTING MACH. // PAT JULY 16-18"; printed in gauge: "BURNS // DENTAL CASTING MACHINE. // NATIONAL GAUGE AND EOPT. CO. // LA CROSSE, WIS. // 1251-G"; engraved at top: "BURNS DENTAL CASTING MACHINE // PATENTED JULY 16,1918. JULY 10,1917. JULY 16,1918. // OTHER PATENTS PENDING // MANUFACTURED BY // BURNS DENTAL CASTING MACHINE CO. // FLUSHING, L.I., N.Y."
Permanent Location
Storage Room 0007
0007-T1-3
Condition Remarks
Wood base is very worn; black enamel peeling heavily from press; masking tape holds fabric tube onto bottom of press; tube is ripped, does not attach to top of press; red rubber tube from tank does not attach to press; all rubber is brittle; some tarnishing on metal
Copy Type
Original
Reference Types
Internet
JPG
Reference Comments
"Free Patents Online" website; "Edward M. Feinberg, D.M.D." website
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; this item was donated by Dr. Ralph Crawford from Winnipeg, Manitoba; the company patented another casting maching design in 1927, so this machine most likely dates before that year; William Taggert designed the first casting machine in 1907; it had a very similar design to this item
Exhibit History
On exhibit, "Teeth in Time," Case #2, 29 March 2011 - November 2014
Images
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Corega denture fixative

https://mhc.andornot.com/en/permalink/artifact13365
Dates
1961
1970
circa 1961-1970
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020243 a-b
Description
Corega denture fixative sample bottle; oval yellow metal bottle (a) with product information, directions, manufacturer's information printed with red and black enamel; bottle tapers to silver metal top with round perforations; bottle contains white powder; round black plastic ridged twist cap (b)
  2 images  
Accession Number
010020243 a-b
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Dental Cements
Description
Corega denture fixative sample bottle; oval yellow metal bottle (a) with product information, directions, manufacturer's information printed with red and black enamel; bottle tapers to silver metal top with round perforations; bottle contains white powder; round black plastic ridged twist cap (b)
Number Of Parts
2
Part Names
a - bottle - Size: Length 5.7 cm x Width 3.1 cm x Depth 2.0 cm
b - cap - Size: Depth 0.9 cm x Diam. 1.8 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Corega Chemical Company
Site Made (City)
Jersey City
Site Made (State)
New Jersey
Site Made (Country)
United States of America
Dates
1961
1970
circa 1961-1970
Date Remarks
Based on patent date
Material
metal: silver
plastic: black
enamel: yellow, red, black
Inscriptions
(a) Printed on front: "CO.RE.GA // WITH NEOSEAL T.M. // (ETHYLENE OXIDE POLYMER) // Holds Dentures Firmly and // Comfortably in the Mouth. // Accepted // COUNCIL ON DENTAL // THERAPEUTICS // American Dental Association // Consult your Dentist, Ill-fitting // Dentures may Impair Health."; printed on side: "At All Drug Stores - Three Sizes"; "PROFESSIONAL SAMPLE"; printed on back: "DIRECTIONS // Clean dentures thoroughly, rinse // and sprinkle powder evenly over // moistened surfaces then press // dentures firmly into place. Corega // with Neoseal is harmless and // offers a security never before pos- // sible. // COREGA CHEMICAL COMPANY // JERSEY CITY 6, N.J., U.S.A. TORONTO, CANADA // U. S. PAT. NO. 2978812"
Permanent Location
Storage Room 0010
0010-A3-7
Condition Remarks
Metal is tarnished at bottom, rusty just above; enamel wearing off near top
Copy Type
Original
Reference Types
Internet
JPG
Reference Comments
"Free Patents Online" website
CD #10
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; this product's patent was filed in 1958, and was awarded in 1961
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dental articulator

https://mhc.andornot.com/en/permalink/artifact13440
Dates
1960
1980
circa 1960-1980
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Education Artifacts
Classification
Education
Accession Number
010020319
Description
Student's dental articulator; pink plastic model of gums of upper and lower mouth; white plastic teeth with various gold work attached to mouth; model is mounted on silver metal articulator; articulator is hinged, allowing top of mouth to open 180 degrees
  4 images  
Accession Number
010020319
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Education Artifacts
Classification
Education
MeSH Heading
Dental Models
Dental Prosthesis
Education, Dental
Description
Student's dental articulator; pink plastic model of gums of upper and lower mouth; white plastic teeth with various gold work attached to mouth; model is mounted on silver metal articulator; articulator is hinged, allowing top of mouth to open 180 degrees
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Columbia Dentoform Corp.
Site Made (City)
Long Island City
Site Made (State)
New York
Site Made (Country)
United States of America
Dates
1960
1980
circa 1960-1980
Date Remarks
Based on materials
Material
plastic: pink, white
metal: silver, yellow
Inscriptions
Embossed on upper and lower model: "COLUMBIA DENTOFORM CORP. // NEW YORK"; scratched into plastic: "BEAUP // DJB"
Permanent Location
Storage Room 0010
0010-B
Dimension Notes
Length 12.5 cm x Width 8.8 cm x Depth 6.1 cm
Condition Remarks
Many teeth, all metal work is loose; the other teeth are affixed to model with sticky wax or glue; metal slightly tarnished
Copy Type
Original
Reference Types
JPG
Reference Comments
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; this item was donated by Dr. Donald Beauprie from Deep River, Ontario; these models were used for students to practice creating inlays, crowns, bridges etc
Images
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dental base plates in box

https://mhc.andornot.com/en/permalink/artifact13702
Dates
1930
1940
circa 1930-1940
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020534 a-s
Description
Dental base plates come in a cream coloured, rectangular cardboard box with blue paper covering the outside; box top (a) has a white sticker printed on in blue ink with a blue and light green border; the product and company information is printed on both sides and the top; there are two semi-circul…
  3 images  
Accession Number
010020534 a-s
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Materials
Dental Prosthesis
Denture, Partial
Description
Dental base plates come in a cream coloured, rectangular cardboard box with blue paper covering the outside; box top (a) has a white sticker printed on in blue ink with a blue and light green border; the product and company information is printed on both sides and the top; there are two semi-circular cutouts on the long edges; box bottom (b) is also covered in blue paper and has two rectangular white stickers stuck to the bottom on either end leaving the blue paper exposed in between; there are 17 base plates in total, 15 identical upper base plates (c-q) which are made of hard brown vulcanite and cut in a rounded trapezoid like shape; all upper base plates are stamped with a logo which consists of the letters 'DS' in a circle with a small 'c' to the right; there are two lower base plates (r-s) which are also brown and made of hard vulcanite but are cut in a 'U' shape with ends that flare out slightly.
Number Of Parts
19
Part Names
a - box top - Size: Length 11.5 cm x Width 8.7 cm x Depth 2.7 cm
b - box bottom - Size: Length 10.5 cm x Width 8.0 cm x Depth 2.7 cm
c - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
d - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
e - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
f - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
g - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
h - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
i - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
j - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
k - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
l - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
m - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
n - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
o - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
p - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
q - upper base plate - Size: Length 9.8 cm x Width 6.9 cm x Depth 0.3 cm
r - lower base plate - Size: Length 9.4 cm x Width 6.5 cm x Depth 0.2 cm
s - lower base plate - Size: Length 9.4 cm x Width 6.5 cm x Depth 0.2 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
The Ash-Temple Co. Ltd.
Dates
1930
1940
circa 1930-1940
Date Remarks
Based on company information and donor's remarks
Material
vulcanite: brown
cardboard: cream
paper: blue, white
ink: blue, green
Inscriptions
Printed on the top of (a): "18 // BASE PLATES // MADE EXPRESSLY FOR // The ASH-TEMPLE Co., Ltd."; handwritten on the top of (a): "T"; printed on both sides of (a): "18 // BASE PLATES // The ASH-TEMPLE Co. Ltd. // Lower UPPERS"; stamped into (c-q): "DS" in a circle "c" to the right of the circle
Permanent Location
Storage Room 0010
0010-B
Condition Remarks
Box top and bottom show wear; there is staining on (a) and the label has begun to peel off; (b) has stains on the bottom and the inside; base plates all have small white residue on them.
Copy Type
Original
Reference Types
Internet
JPG
Reference Comments
"Canadian Dental Association" website; "Medical Dictionary" website; CD #4
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; dental base plates are melted to form the base of dentures; the Ash-Temple Co. was formed in 1923 when Claudius Ash merged his company with H.P. Temple Co.
Images
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dental casting flux

https://mhc.andornot.com/en/permalink/artifact13463
Dates
1940
1960
circa 1940-1960
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020342 a-b
Description
Bottle of dental casting flux; square clear glass bottle that tapers to round opening at top; rectangular yellow paper label wraps around three sides, states purpose, directions and product information printed with blue ink; black plastic twist cap (b) with ridged border at top; bottle is filled wi…
  2 images  
Accession Number
010020342 a-b
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Denture, Partial
Dental Implants
MM= Dental Casting Technic -- casting materials
Description
Bottle of dental casting flux; square clear glass bottle that tapers to round opening at top; rectangular yellow paper label wraps around three sides, states purpose, directions and product information printed with blue ink; black plastic twist cap (b) with ridged border at top; bottle is filled with pink powder
Number Of Parts
2
Part Names
a - bottle - Size: Length 8.6 cm x Width 3.6 cm x Depth 3.6 cm
b - cap - Size: Depth 1.1 cm x Diam. 3.5 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Handy & Harman of Canada Ltd.
Site Made (City)
Toronto
Site Made (State)
Ontario
Site Made (Country)
Canada
Dates
1940
1960
circa 1940-1960
Date Remarks
Based on company history
Material
glass: clear
plastic: black
paper: yellow
ink: blue
Inscriptions
(a) Printed on bottle: "HANDY & HARMAN // OF CANADA LTD. // DEE GOLD // Casting Flux // For melting and // Casting Gold // KEEP COVER ON // TIGHT // HANDY & HARMAN // of Canada Limited // 141 John St., Toronto // DIRECTIONS // Aids melting and // gives life to metal. // Use in heated cru- // cible. Sprinkle on // metal before and // during melting. // KEEP FLUX // AWAY FROM // ACID FUMES. // PURPOSE // Prevents absorp- // tion of gases and // oxides. Ensures // uniform, depend- // able results. // ALL COMPLEX // GOLD ALLOYS // SHOULD BE CAST // IN A REDUCING // ATMOSPHERE."
Permanent Location
Storage Room 0010
0010-A3-6
Condition Remarks
Paper label very worn, green at one edge
Copy Type
Original
Reference Types
Internet
JPG
Reference Comments
"Industry Canada" website
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; Harman & Handy established their Toronto branch in 1936
Images
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dental casting outfit

https://mhc.andornot.com/en/permalink/artifact13457
Dates
1900
1920
circa 1900-1920
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020336 a-g
Description
Dental casting and swaging outfit; rectangular brown paper box (b) and lid (a); lid states manufacturing and product information, printed with brown ink; two half-pound green-enamelled silver metal rectangular boxes (c, d) of Melotte Moldine; product information printed with black enamel on sides a…
  5 images  
Accession Number
010020336 a-g
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Denture, Partial
Dental Restoration, Permanent
MM= Dental Casting Technic -- casting appliance
Description
Dental casting and swaging outfit; rectangular brown paper box (b) and lid (a); lid states manufacturing and product information, printed with brown ink; two half-pound green-enamelled silver metal rectangular boxes (c, d) of Melotte Moldine; product information printed with black enamel on sides and lids; brown metal cylindrical swager (e), rounded at top and slightly indented at bottom; brown rubber ring (f); cylindrical brown metal stamp (g) with flat bottom and imprint of the top of a molar at top
Number Of Parts
7
Part Names
a - box lid - Size: Length 12.2 cm x Width 9.5 cm x Depth 7.4 cm
b - box - Size: Length 11.5 cm x Width 9.2 cm x Depth 7.4 cm
c - moldine box - Size: Length 6.6 cm x Width 5.5 cm x Depth 5.3 cm
d - moldine box - Size: Length 6.6 cm x Width 5.5 cm x Depth 5.3 cm
e - swager - Size: Length 6.7 cm x Diam. 3.2 cm
f - ring - Size: Length 3.4 cm x Width 3.0 cm x Depth 2.6 cm
g - stamp - Size: Length 2.9 cm x Diam. 2.1 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
S.S. White Dental Manufacturing Co.
Site Made (City)
Philadelphia
Site Made (State)
Pennsylvania
Site Made (Country)
United States of America
Dates
1900
1920
circa 1900-1920
Date Remarks
Based on supplier's catalogue
Material
metal: brown, silver
enamel: green, black
rubber: brown
paper: brown
ink: brown
Inscriptions
(a) Printed on top: "MELOTTE // Registered in // MOLDINE OUTFIT // U.S. Patent Office // FOR CROWN AND COUNTER DIES // To soften Moldine, moisten with Glycerin // THE S.S. WHITE DENTAL MANUFACTURING CO. // Made in United States of America"; printed on sides: "Melotte // Moldine // Outfit // Moldine // Melotte // Fusible Metal // Rubber Ring // Ladle No. 8"
Permanent Location
Storage Room 0010
0010-B
Condition Remarks
Box and lid (a, b) very faded, worn, dirty; bottom of box very fragile, half missing; metal on Moldine boxes (c, d) rusty; (c) is dented, with small hole at bottom; (d) is in poor condition, severely corroded with large part of one side missing; metal tarnished on (e, g); rubber ring (f) is hardened into oval shape, but slightly malleable
Copy Type
Original
Reference Types
Book
Internet
JPG
Reference Comments
“S.S. White Dental Catalog, Catalog-G”, S.S. White Dental Mfg. Co., 1915, p. 68-73; “S.S. White Dental Catalog, Catalog-L”, S.S. White Dental Mfg. Co., 1914, p. 21; American Journal of Dental Science, Vol. 22, No. 1, May 1888
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; Melotte Moldine was used to take impressions of teeth or roots, so a metal crown or bridge could be made; this outfit does not include what is listed on the box, but includes other items; missing are a ladle and cubes of fusible metal; an 1888 advertisement states the complete outfit includes an impression cup, rubber ring, fusible metal as well as the moldine
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dental die-plate

https://mhc.andornot.com/en/permalink/artifact13452
Dates
1930
1940
circa 1930-1940
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020331
Description
Silver metal dental die-plate; rectangular plate with manufacturer's name embossed at top; hole punched at top centre; 72 embossed molds of tops of teeth in rows on front; smooth on back side
  2 images  
Accession Number
010020331
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Denture, Partial
Dental Restoration, Permanent
MM= Dental Casting Technic -- casting appliance
Description
Silver metal dental die-plate; rectangular plate with manufacturer's name embossed at top; hole punched at top centre; 72 embossed molds of tops of teeth in rows on front; smooth on back side
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Ransom & Randolph Co.
Site Made (City)
Toledo
Site Made (State)
Ohio
Site Made (Country)
United States of America
Dates
1930
1940
circa 1930-1940
Date Remarks
Based on donors remarks
Material
Metal: silver, grey
Inscriptions
Embossed on top: "COATES DIE-PLATE // THE RANSOM & RANDOLPH Co. TOLEDO, O. AGENT // LEFT RIGHT"; scratched on back: "C.M. Snow // D.D.S"
Permanent Location
Storage Room 0010
0010-B
Temporary Location
MHC 2017 Public Program: Seniors Program - Say Cheese: History of Dentures and Dental Health, July 2017
Dimension Notes
Length 19.7 cm x Width 14.0 cm x Depth 0.4 cm
Condition Remarks
Metal dull and tarnished, especially on back; pink remnants in bottom left hand corner of front
Copy Type
Original
Reference Types
Person
JPG
Reference Comments
J. Diane Snow
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; this item was donated by J. Diane Snow from Vancouver, British Columbia and was originally owned by her father Dr. Cecil Montague Snow, who used it during 1929-1942 while traveling around rural Saskatchewan, after which he settled in Calgary, Alberta; he graduated from the Baltimore College of Dental Surgery, University of Maryland in 1916
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dental die-plate

https://mhc.andornot.com/en/permalink/artifact13453
Dates
1930
1940
circa 1930-1940
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020332
Description
Silver metal dental die-plate; rectangular plate with manufacturer's name embossed at top; hole punched at top centre; 72 embossed molds of tops of teeth in rows on front; smooth on back side.
  2 images  
Accession Number
010020332
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Denture, Partial
Dental Restoration, Permanent
MM= Dental Casting Technic -- casting appliance
Description
Silver metal dental die-plate; rectangular plate with manufacturer's name embossed at top; hole punched at top centre; 72 embossed molds of tops of teeth in rows on front; smooth on back side.
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Ransom & Randolph Co.
Site Made (City)
Toledo
Site Made (State)
Ohio
Site Made (Country)
United States of America
Dates
1930
1940
circa 1930-1940
Date Remarks
Based on similar item
Material
Metal: silver, grey
Inscriptions
Embossed on top: "COATES DIE-PLATE // THE RANSOM & RANDOLPH Co. TOLEDO, O. AGENT // LEFT RIGHT"
Permanent Location
Storage Room 0010
0010-B
Dimension Notes
Length 19.7 cm x Width 14.0 cm x Depth 0.4 cm
Condition Remarks
Metal tarnished, especially on back
Copy Type
Original
Reference Types
Other
JPG
Reference Comments
010020331
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; this item was donated by Dr. James Varey from Grandview, Manitoba
Images
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dental die-plate

https://mhc.andornot.com/en/permalink/artifact13454
Dates
1930
1940
circa 1930-1940
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020333
Description
Silver metal dental die-plate; round plate with 160 tooth molds engraved into front in concentric circles; hole punched in centre; back side is smooth
  2 images  
Accession Number
010020333
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Denture, Partial
Dental Restoration, Permanent
MM= Dental Casting Technic -- casting appliance
Description
Silver metal dental die-plate; round plate with 160 tooth molds engraved into front in concentric circles; hole punched in centre; back side is smooth
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Dates
1930
1940
circa 1930-1940
Date Remarks
Based on similar item
Material
metal: silver
Inscriptions
Engraved on top: "IMPROVED // UNIVERSAL DIE PLATE No. 12."
Permanent Location
Storage Room 0010
0010-B
Dimension Notes
Depth 0.7 cm x Diam. 21.0 cm
Condition Remarks
Metal tarnished, especially on back
Copy Type
Original
Reference Types
Other
JPG
Reference Comments
010020331
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; this item was donated by Dr. James Varey from Grandview, Manitoba
Images
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dental functional retruder

https://mhc.andornot.com/en/permalink/artifact13411
Dates
1940
1965
circa 1940-1965
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020289 a-d
Description
Dental functional retruder; rectangular black paper box (a) with lid that opens at front; yellow paper lining inside, with white paper instructions printed with black ink, complete with photographs of the instrument in use, affixed inside lid; fabric tie on left to keep lid from falling backwards; …
  5 images  
Accession Number
010020289 a-d
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Dental Restoration, Permanent
Dental Equipment
Description
Dental functional retruder; rectangular black paper box (a) with lid that opens at front; yellow paper lining inside, with white paper instructions printed with black ink, complete with photographs of the instrument in use, affixed inside lid; fabric tie on left to keep lid from falling backwards; retruder consists of black rubber chin strap (b), round in middle with tapering sides; five holes on each side; arrow embossed in middle; semi-circular silver metal chin rest (c) curved in middle with tapering sides; knob on each side goes into holes in chin strap to adjust size; silver metal measuring tool (d); two branches, ending in sharp points, held together at top via hinge; branches can be pulled apart or pushed together
Number Of Parts
4
Part Names
a - box - Size: Length 19.8 cm x Width 14.0 cm x Depth 4.4 cm
b - chin strap - Size: Length 49.0 cm x Width 8.7 cm x Depth 0.3 cm
c - chin rest - Size: Length 17.5 cm x Width 9.3 cm x Depth 3.1 cm
d - measuring tool - Size: Length 13.1 cm x Width 2.6 cm x Depth 0.5 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Hickok Specialties Co.
Site Made (City)
Grand Rapids
Site Made (State)
Michigan
Site Made (Country)
United States of America
Dates
1940
1965
circa 1940-1965
Date Remarks
Based on zip code
Material
metal: silver
rubber: black
paper: white, yellow
ink: black
fabric: black
Inscriptions
(a) Printed inside box lid: "HICKOK FUNCTIONAL RETRUDER // HICKOK SPECIALTIES CO., Gilbert Building, Grand Rapids 2, Mich."; (d) engraved on hinge: "DIXON U.S.A. 448"
Permanent Location
Storage Room 0010
0010-B
Condition Remarks
Paper inside box (a) is darkened in spots, fabric tie coming loose; box is worn at outside edges; rubber chin strap (b) remains malleable.
Copy Type
Original
Reference Types
JPG
Reference Comments
CD #1
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008; this item was donated by Dr. William H. Mills from Toronto, Ontario; as per the instructions on the box, this item is an instrument used to obtain normal centric jaw relation; the dentist could then register the centric bite of the patient
Images
Less detail

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