![]() ![]() ![]() electric wax-knife, induction heaters, wax dipping units). This can be carried out by warming small portions on differently shaped working tips of hand instruments in an open flame (such as a gas burner) or using electrically heated instruments which provide for more accurate temperature control and avoid contamination (e.g. The firm, special waxes first have to be melted at room temperature. The various anatomical structures (such as cusp tips and slopes as well as marginal ridges) are usually built up one after another by adding small portions of wax (often using differently coloured waxes for didactic purposes). ![]() Thomas, Lundeen/Payne, Polz, Schulz), various tooth-to-tooth relationships, occlusal concepts, cusp-to-fossa relationships and contact area patterns are preferred. Functionally correct design of the occlusal surfaces of the posterior teeth is particularly important for cast restorations. The term wax build-up technique describes dental technical procedures for waxing up the exterior contours of crowns and bridge units when fabricating prosthetic restorations in the laboratory. ![]()
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