Principles and practice of operative dentistry . nsolidated, by the use of the mallet than by hand-pressure alone. The mallet was first introduced as a means of packing gold-foil aboutthe year 1838, by Dr. E. Merrit, of Pittsburg,Pa., who used a hand mallet for condensing thesurface of fillings which had been introducedby hand-pressure. Earlier mention was madeof this instrument for consolidating gold byKoecker in his ^Principles of Dental Sur-gery, published in 1826. Mallet force, however, was not much useduntil the introduction of cohesive foil. Theearlier operators with this form of gold so
Principles and practice of operative dentistry . nsolidated, by the use of the mallet than by hand-pressure alone. The mallet was first introduced as a means of packing gold-foil aboutthe year 1838, by Dr. E. Merrit, of Pittsburg,Pa., who used a hand mallet for condensing thesurface of fillings which had been introducedby hand-pressure. Earlier mention was madeof this instrument for consolidating gold byKoecker in his ^Principles of Dental Sur-gery, published in 1826. Mallet force, however, was not much useduntil the introduction of cohesive foil. Theearlier operators with this form of gold soondiscovered that in order to obtain perfect unionof the surfaces percussion with the mallet wassuperior to hand-pressure. Various forms ofhand-mallets were then introduced, made ofwood, ivory, and metals, weighing from one-half ounce to two ounces. The metal mallets were made of soft steel, or of lead, block-tin, and various alloys encased in metal or wood rims. The steel mallet. Fig. 385, seems to be in the greatest favor at the present TREATMENT OF CARIES BY OBTURATION, OR FILLING. 313
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdentist, bookyear1920
