Dental review; devoted to the advancement of dentistry. . ge with Inlay An-chorage pins in place. The pins have been left protruding from inlays to il-lustrate position of insertion. No. 2—Taggart Crucible Former with Wax Inlay mounted on sprue showing graphiterods in place prior to investing. be used for Bridge Abutments) that I feel it necessary to add onlyone suggestion—that the occlusal dove-tail or lock be made fairlydeep, thick mesio-distally, and wide linguo-buccally to permit ofholding the ultimate dowel locking pins. The Inlay cavities being now prepared, we are ready for theimpressio
Dental review; devoted to the advancement of dentistry. . ge with Inlay An-chorage pins in place. The pins have been left protruding from inlays to il-lustrate position of insertion. No. 2—Taggart Crucible Former with Wax Inlay mounted on sprue showing graphiterods in place prior to investing. be used for Bridge Abutments) that I feel it necessary to add onlyone suggestion—that the occlusal dove-tail or lock be made fairlydeep, thick mesio-distally, and wide linguo-buccally to permit ofholding the ultimate dowel locking pins. The Inlay cavities being now prepared, we are ready for theimpressions, which I would advise being taken with Taggarts GreenWax, because of its high fusing property, it does not distort uponremoving from the cavity, and lends itself more readily by virtueof its hardness when cooled to accurate drilling for the dowel pins. I find that for accuracy, saving of time and the rigid retentionof the wax inlay against its margins while trimming it to form, arigidly placed soft steel band matrix and holder is of great assist-. No. l No. 2 798 THE DENTAL REVIEW. ance, especially does it facilitate the drilling of true and accurateholes for the dowel locking pins by holding the wax inlay to itsseat. I have taken great pleasure in the use of the New IvoryMatrix retainer and soft steel bands, because it is applied buccally,allowing the teeth to occlude, thus obtaining the true articulationor bite by having the patient bite and chew into the warm wax afterit has been driven into the cavity by the operator; now trimmingaway excess wax until proper occlusion and margins are obtained,we are ready to drill the holes for the reception of the ultimatedowel locking pins. While it may seem a very simple procedure to drill holes inwax, it has required quite a little experimenting to procure the typeof drill that would drill a perfectly true and clean-sided hole; thishas led to the selection of a twist drill, No. 19, made by the BlueIsland Specialty Company, and cu
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