. Dental ork. The formula for the bisque is as fol-lows for producing the hollow : Half porcelain inlay powder to half porcelain foundationbody. Mix with water to the- consistency of thick cream tobuild up any form desired. For coating the matrix to producean etched condition, mix quite thin—dont use too much wateron the brush to get good results. Seventh. Experiments show that the bisque mixture asabove, when baked 30 seconds and mashed into a powder, willmix with the cement liquid and get as hard as the original ce-ment powder and liquid in about the same length of time. This being
. Dental ork. The formula for the bisque is as fol-lows for producing the hollow : Half porcelain inlay powder to half porcelain foundationbody. Mix with water to the- consistency of thick cream tobuild up any form desired. For coating the matrix to producean etched condition, mix quite thin—dont use too much wateron the brush to get good results. Seventh. Experiments show that the bisque mixture asabove, when baked 30 seconds and mashed into a powder, willmix with the cement liquid and get as hard as the original ce-ment powder and liquid in about the same length of time. This being true, there is a possibility of a chemical, as wellas a mechanical, union between the bisque baked on the inlayand the inlay cement in the cavity. THE DENTAL SUMMARY 37 THE MILLER PORCELAIN CROWN.* By C. D. Peck, D. D. S., Sandusky, Ohio. Two important features in the construction of the band-less porcelain crown of this clinic are the tapered reamer anddouble-tapered post, the long taper of which corresponds to. (a) Reamer, (b) Double taper pin (should be greater taper than cut shows), (c) Doublebeveled root showing pin in position, (d) Puritan Hat or matrix, (e) Matrix side and endview after burnishing and trimming to root, (f) Matrix In position on root. <7
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