A manual of dental mechanisms / by Oakley Coles.

  • Coles, Oakley, 1845-1906
Date:
pref. 1876
Catalogue details

Licence: Public Domain Mark

Credit: A manual of dental mechanisms / by Oakley Coles. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    PAGE Fletcher's Gas Furaace for Melting Precious and other Metals 27 FuiTiace for Continuous Gum Work, heated with Anthra- cite Coal 29 SECTIO]S' ly CASTING IN PLASTER OF PARIS AND METAL Casting Model in Plaster from an Impression taken with any Plastic Material . . . . .30 Preparation of the Impression, Strengthening of Teeth, Use of Galvanised Iron Wire and Wooden Pegs , 30 Shape of Model for Metal Work . . . .31 „ „ Yulcanite Work . . .31 Removal of Impression from Model . . .32 By means of Hot Water or Dry Heat . . .32 Casting a Model from a Plaster Impression . . 32 Preparation of the Surface of the Plaster . . .32 Separation of the Impression from the Model . 32—34 Trimming-up of Plaster Models . . . .34 Preparation of Plaster Models for Gold Work . . 34 Casting in Metal . . . . . .35 Description of Casting Sand to be used . . .35 Mode of Moistening with Oil or Water . . .35 Coating Model with French Chalk . . . . 36 Use of Iron Casting Ring . . . . .36 Pouring of Molten Metal into Mould . . .36 Hawe's Casting Ring for Undercut Models . . 37 Use of Cores in Undercut Models . . . .38 Franklin's Mode of Casting Dies and Counter-dies . 39 Counter-die obtained from a Ladleful of Lead . . 42 „ „ Casting Ring and Sandbank 43
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