. Catalogue of dental materials, furniture, instruments, etc., for sale . prominent at its lower edge, or margin of the gum, it becomes necessary to give a pecu-liar twisted form to the front blocks. Fig. 6 shows two blocks for such 7 represents blocks adapted to pointed arches and crowded dentures. It is impos-sible to adapt blocks of ordinary form to such cases without destroying their trueexpression at one or other of the joints; in fact, much of both gum and tooth is oftensacrificed to get correct articulation. In Fig. 8, the blocks are for cases in which absorp- 24 S. S. WHITE
. Catalogue of dental materials, furniture, instruments, etc., for sale . prominent at its lower edge, or margin of the gum, it becomes necessary to give a pecu-liar twisted form to the front blocks. Fig. 6 shows two blocks for such 7 represents blocks adapted to pointed arches and crowded dentures. It is impos-sible to adapt blocks of ordinary form to such cases without destroying their trueexpression at one or other of the joints; in fact, much of both gum and tooth is oftensacrificed to get correct articulation. In Fig. 8, the blocks are for cases in which absorp- 24 S. S. WHITES tion has taken place, especially over the canines, bringing the bite of the lower jaw outside of the upper maxillary ridge. Fig. Where a prominence of the gum exists, from want of exterior absorption, teethsuch as are shown in Fig. 9 are adapted. The same condition of the lower jaw Fig. 9.
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