Specification of James Clarkson : securing artificial teeth.

  • Clarkson, James.
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: Specification of James Clarkson : securing artificial teeth. Source: Wellcome Collection.

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    Clarkson's Improvements in Securing Artificial Teeth. Channel Islands, and Isle of Man, an Invention for “ Improved Means of Fastening, Connecting, or Securing Artificial Teeth/’ upon the condition (amongst others) that I, the said James Clarkson, my executors or administrators, by an instrument in writing under my, or their, or one of their hands and seals, should particularly describe and ascertain the 5 nature of the said Invention, and in what manner the same was to be performed, and cause the same to be filed in the Great Seal Patent Office within six calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that I, the said James Clarkson, do hereby 10 declare the nature of my said Invention, and in what manner the same is to be performed, to be particularly described and ascertained in and by the following statement:— The nature of this Invention is to use and adapt lateral or approximate fastenings in the process of manufacturing mineral teeth, 15 so that the grinding surfaces may in all cases be an exact imitation of nature, and by the junction of the said fastenings the teeth may be securely connected without a frame or foundation. To carry this out a piece of platina plate is cut about the size of the side of the tooth, and either the edges turned over or a wire passed through as a holdfast to the 20 mineral. Two such fastenings, one for each side, are then inserted in the mould and the ordinary precautions taken to prevent the fastenings moving. If the wire passing through is allowed to project at the sides it forms a ready means of slightly soldering a band thereto for adjustment in the mouth, or as a holdfast or tag for vulcanite. 25 A tooth made with plate fastenings is suitable for junction with adjoining teeth by means of gold solder. When vulcanite is desired between the teeth and under the teeth as a pad, wires with or without plate may be adapted as lateral fastenings. The following is a convenient method of carrying out the principle:— 30 A wire is passed through the tooth in such a position as to allow of the tooth being ground to any necessary extent in the process of fitting for the mouth. The wire must also be long enough and bent at such an angle as to admit of its being twisted or soldered to the fastenings of the adjoining teeth. Greater security may be obtained by one or two 35 additional pieces of wire projecting from the sides or by the use of two wires.