The Dental cosmos . the color of the tooth alone, no matter The rods may be cut up into inlays ofwhat the position of the cavity, we varying thicknesses and kept in boxesachieve surprising results. ready for use. (Fig. 30.) Fig. 31 shows Fig. Fig. 30. OHUM J | lli„,u1 in-^l ilil V.^ oooooOOOO TECHNIQUE. The technique is well illustrated byFig. 28. The rod is then placed in thegage, as Fig. 29, nicked on each side ormarked by pencil, and cut from the rod. —a, cavity; b, depth of bur penetration; c, depth to which the inlay should go, and d, the finished inlay. The inlay is ground on the

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The Dental cosmos . the color of the tooth alone, no matter The rods may be cut up into inlays ofwhat the position of the cavity, we varying thicknesses and kept in boxesachieve surprising results. ready for use. (Fig. 30.) Fig. 31 shows Fig. Fig. 30. OHUM J | lli„,u1 in-^l ilil V.^ oooooOOOO TECHNIQUE. The technique is well illustrated byFig. 28. The rod is then placed in thegage, as Fig. 29, nicked on each side ormarked by pencil, and cut from the rod. —a, cavity; b, depth of bur penetration; c, depth to which the inlay should go, and d, the finished inlay. The inlay is ground on the base so asnot to touch the floor of the cavity. Thisinsures perfect marginal closure when in- MITCHELL. THE PORCELAIN ROD IN DENTISTRY. 39 serted, the inlay fitting perfectly, and ifall be correct, theoretically at least we Fig. 31. a b c

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