. Catalogue of dental materials, furniture, instruments, etc., for sale . shape of thesix lower front teeth than of the six upper, it is a great mistake to suppose that a givenlower block will answer for any lower case, if only long enough. Side views show also adifference in the slant of the teeth, inward or outward, which has an important effect inmodifying the expression of the lower arch. There are also differences in curvature ofthe lower arch, as well as of the upper. Fig. 3 shows the usual upper and lower curves,and Figs. 9, 11, and 22 show variations of upper curvature requiring some m
. Catalogue of dental materials, furniture, instruments, etc., for sale . shape of thesix lower front teeth than of the six upper, it is a great mistake to suppose that a givenlower block will answer for any lower case, if only long enough. Side views show also adifference in the slant of the teeth, inward or outward, which has an important effect inmodifying the expression of the lower arch. There are also differences in curvature ofthe lower arch, as well as of the upper. Fig. 3 shows the usual upper and lower curves,and Figs. 9, 11, and 22 show variations of upper curvature requiring some modificationsof the lower, dependent on the character of the articulation. In Fig. 15 are five otherforms of lower front blocks, the value of which will be at once recognized. The threeright-hand sets differ from those of Fig. 14 mainly in the length and width of left lower set is well suited to patients whose natural teeth, for many years beforetheir loss, were marked by exposure of the neck: this appearance may also be increased DENTAL CATALOGUE. 27 Fig. (sometimes it may be made) by judicious use of the corundum-wheel, but the block heregiven is invaluable for such cases. The left upper block is an admirable imitation of avery usual arrangement of incisors, resulting from crowded dentition : the drawing givesa very imperfect idea of the great beauty of the original porcelain block. When the Fig. 16.
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Keywords: ., bookcentury1800, bookdecade1870, bookidcatalogueofd, bookyear1876
