Principles and practice of crowning teeth; a practical, systematic and modern treatise upon the requirements and technique of artificial crown work, including some incidental reference to bridgework - Softcover
Synopsis
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 Excerpt: ...be secured in accordance with the requirements of the impression, and in the manner previously outlined. The impression should then be taken in plaster Impression. for the reasons already stated, and should always include teeth on each side of the one being crowned, and the corresponding tooth, when present. If the projecting surplus end of the dowel is slightly bent, the cap will be removed with the impression, but in the event of its remaining upon the root, it should be detached and adjusted accurately to position, and securely sustained, if necessary, with a little melted wax. The interior of the cap and the surface of the dowel should now be covered with a slight film of melted wax to facilitate and admit of its ready removal from the model, and the impression then varnished and filled. When the model has been obtained, the bite, if one has been taken, should be adjusted, and the case mounted upon the articulator. The cap may now be easily detached by grasping the end of the dowel with pliers, and the wax then removed from its interior, which will admit of its ready and accurate readjustment, thus facilitating the investment of the crown, and permitting the preservation of the model. In cases where the remaining natural teeth arc quite loose, or support artificial crowns of doubtful stability, the use of small particles of wax packed into the interproximal spaces, and into all undercuts, will be found to be advantageous to the removal of the impression, and to the comfort of the patient. Adaptation of facings. Previous to the selection and adaptation of the facing, the surplus end of the dowel should be cut off with excising forceps or cutting pliers, leaving it as long as possible so as not to interfere with the adjustment of the facing to its proper ...
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