Dental Surgery, Including Special Anatomy & Pathology; A Manual for Students & Practitioners

Dental Surgery, Including Special Anatomy & Pathology; A Manual for Students & Practitioners

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 edition. Excerpt: ...use, is worked into a paste, with a strong solution of zinc chloride. Chemical combination takes place, and a hard mass is rapidly formed, consisting of oxychloride of zinc, with the earthy ingredients mechanically mixed. These latter serve to impart greater hardness to the filling. Chloride of zinc being extremely irritating, this filling must not be used where the pulp is nearly exposed. Similar cements, of which the main ingredient is phosphate of zinc, and which are both non-irritating and more durable than the oxychloride compounds, are now supplied by manufacturers. In the manufacture of cements, as of amalgams, very great improvements have been brought about in late years; and compounds, perfectly free from irritating properties, and much more durable than earlier products, are now available. The exact composition of these materials is usually secret, although many of them are produced by manufacturers in whom the profession have, with reason, great confidence. Temporary Plugs.--For the purpose of sealing up cavities in the teeth for a few hours or days, to cover a dressing, to subserve the purpose of pressing away a mass of swollen gum, and for similar objects, absorbent cotton wool, saturated with a solution of gum mastic in spirit, or of gutta-percha in chloroform, may be used. After the insertion of the pellet the fluid evaporates, leaving a tough mass impervious to moisture. These In future pages the term "cement is used to denote this last class of compounds. Kig. 184. pellets are apt to cause a disagreeable taste, and form a source of discomfort to sensitive patients, so that the soft, highly-piastic gutta-percha, now specially manufactured for temporary stoppings, is, as a rule, to be preferred. Instruments used more

Product details

  • Paperback | 146 pages
  • 189 x 246 x 8mm | 272g
  • United States
  • English
  • black & white illustrations
  • 1236807758
  • 9781236807755