The book Principles And Practice of Operative Dentistry was written by author Marshall, John Sayre, 1846-1922 Here you can read free online of Principles And Practice of Operative Dentistry book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Principles And Practice of Operative Dentistry a good or bad book?
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The rubber dam may be held smooth by attaching weights to the lower corners. If two or more teeth are to be isolated, it then becomes necessary to punch the same number of holes in the dam, so locating them that when the dam is placed in position the straits between the holes will be just a tritie wider than the spaces between the teeth ; the edges of the dam around the cervices of the teeth should then be turned under, u.sing the point of any straight-i:)ointed instrument of suitable size. The... dam thus grasping the cervix of the tooth acts as a valve, and effectually excludes all moisture from the teeth so enclosed. To secure the dam in position, a ligature may be passed around each tooth and tied with the surgeon's knot, or clamps of various forms (Fig. 302) are used alone for the same purpose, TREATMENT OF CARIES. 189 or in conjunctioa with the ligatures. Properly constructed clamps are so shaped that they materially assist in holding the dam away from the crown of the tooth, thus causing less obstruction to the entrance of light Fig.
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