Mechanical Dentistry: A Practical Treatise on the Construction of the Various Kinds of Artificial Dentures : Comprising Also Useful Formulae, Tables, and Receipts for Gold Plate, Clasps, Solders, Etc. Etc. EtcLindsay & Blakiston, 1878 - 279 páginas |
Otras ediciones - Ver todas
Mechanical Dentistry: A Practical Treatise On the Construction of the ... Charles Hunter Sin vista previa disponible - 2022 |
Términos y frases comunes
18 carats adopted alloy aluminium appliance aqua regia artificial palate artificial teeth attached battery bicuspids bite blowpipe borax camphor cast cavity celluloid cement clasp close colour copper copper Fine silver defect dental dentists dilute dwts edge elasticity employed fastened filled fissure flame flask furnace give gold plate gutta-percha hard hard palate heat imbedded impression inch incisors inserted iron joint latter lingual surface main plate malleable manner material melted mercury metal method mixture molar mould mouth nasal natural gum necessary nitric acid obtained obturator ordinary packing palladium perfectly piece pins pivot placed plaster model platinum pliers position pure gold pyroxyline removed required carat ridge root round sand shape soft palate soft rubber solder solution specific gravity substance sufficient sulphur swaging swivel taken temperature thickness tooth tube upper vulcanite vulcanizing weight wire zinc
Pasajes populares
Página i - Dentistry. MECHANICAL DENTISTRY: A Practical Treatise on the Construction of the various kinds of Artificial Dentures. Comprising also Useful Formulae, Tables and Receipts for Gold Plate, Clasps, Solders, &c. &c. By CHARLES HUNTER. Third Edition, Revised. With upwards of 100 Wood Engravings. Crown 8vo, 35. 6d. cloth. " The work is very practical."— Monthly Review of Dental Surgery.
Página 47 - The operation depends upon a little artifice in blowing through the pipe, which is in reality more difficult to describe than to acquire. " The effect intended to be produced is a continual stream of air for many minutes, if necessary, without ceasing. This is done by applying the tongue to the roof of the mouth, so as to interrupt the communication between the mouth and the passage of the nostrils ; by which means the operator is at liberty to breathe through the nostrils, at the same time that...
Página 254 - When the graver is too hard, which may be known by the frequent breaking of the point, the method of tempering it is as follows: — Heat a poker red-hot, and hold the graver upon it within half an inch of the point, waving it to and fro till the steel changes to a light straw colour; then put the point into oil to cool; or hold the...
Página 251 - Centigrade by 9, divide the product by 5, and add 32 to the quotient; the result gives the degrees Fahrenheit.
Página 249 - Any old acid will do for this purpose. In large factories the acid used for dipping before plating is generally afterwards employed for the above purpose of cleaning. The article being thoroughly cleaned and dried, has a copper wire attached to it, either by twisting it round the article or putting it through any open part of it, to maintain it in suspension. It is then dipped into nitric acid as quickly as possible, and washed through water, and then immersed in the...
Página 10 - They are thus made: take a wax impression and make a model; in partial cases, brush over the teeth of the model one or two layers of thin plaster, to fill up all undercuts, and to make the plate fit loosely; saturate the model with water, and mould over it a gutta-percha cup. This last is done, not by using the gutta-percha in sheet, but by first making into a ball, then working it from the palate outward, leaving a thick mass in the centre. It should be, on the inside, from onefourth to one-half...
Página 249 - The ley should have about half-a-pound of soda-ash, or pearl-ash, to the gallon of water. The nitric acid, into which the article is dipped, may be diluted to such an extent that it will merely act upon the metal. Any old acid will do for this purpose. In large factories the acid used for dipping before plating is generally afterwards employed for the above purpose of cleaning. The article being thoroughly cleaned and dried, has a copper wire attached to it, either by twisting it round the article...