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DENTAL TEAM: Scott Atkin, Creative Dental Laboratory and Dr. Michael Foley, both in Scottsdale, AZ RESTORATIVE PROBLEM: A 79-year-old male patient with an existing PFM full mouth rehab needed a classic...See more A3 shade replacement bridge for teeth #11 through #15. TREATMENT PLAN: A five-unit Crystal Diamond full contour bridge was prescribed. Crystal Diamond was chosen for its excellent translucency and strength, ideal for highly esthetic anterior and posterior metal-free restorations. FABRICATION PROCESS: The case was scanned using a 3Shape D710 scanner and milled using Delcam software on a DentMill 4 milling machine from Digital Dental Lab. After milling, Atkin infiltrated the non-colored zirconia with a combination of Tanaka Zircolor and Zirkonzahn's Color Liquids Prettau® Aquarell shading liquids using green micro-brushes to ensure uniform application of the shading liquids. The technique, based on the instructional Shading Techniques DVD provided by Dental Laboratory Milling Supplies, allows for gradient transitional shading and high translucency. The sintering process must take into account the type of zirconia used and the number of restorations sintered at one time. Crystal Diamond is a high-heat zirconia, and generally the larger the mass and weight--like this five-unit bridge--the longer the heat-soak temperature. The accuracy and programmability of a sintering oven is key to achieving esthetic results for full contour zirconia; the laboratory used the high-temp Sintermax TI700 from Sintering Ovens.com and a custom ramp and heat-soak program specifically for long-span, full contour bridges. Zirkonzahn Zirconia Stains and Glaze were used post-sintering to endow natural tooth characteristics. Except for using different temperatures, the staining and glazing method was the same as those used with other ceramic restorations. Because of the underlying shades and gradients created using pre-sintering shading liquids, very little staining was needed on the final restoration. The patient and the doctor were pleased with the results and the fact that the color of the solid zirconia bridge matches the adjacent PFM restorations. CONTACT: For details, call Dental Laboratory Milling Supplies at 480-948-0466 or visit www.dentalzirconia.com.
Dental Laboratory Milling Supplies' Crystal Zirconia is now available in a new Diamond+ formulation. Itâs translucent enough for anterior full contour restorations and has a strength of 1,250 MPa.
New for 2014, DLMS introduces Crystal Ultra, a ceramic hybrid material with shock-absorbing properties. This strong and resilient CAD/CAM material is ideal for implant restorations and minimally invasive dentistry. Crystal...
The new T1700 LE radiant heat zirconia sintering furnace from DLMS/SINTERINGOVENS.COM offers two-hour sintering cycles. The new low-cost, high-performance model is made with industrial components; features a bottom-loading...
DentalZirconia.com offers a full line of zirconia for all milling machines, including Dentsply Cercon, Wieland Zeno, KaVo Everest, Sirona inLab MCXL, Digital Dental, Amann Girrbach Ceramill, ZirkonZahn...See more and more. It carries a variety of brands in both high strength and high translucency formulas, and both isostatically and uniaxel pressed blocks and discs. The company offers a low price guarantee (beating competitorsâ prices by 5%) and additional savings of up to 70% on the websiteâs Clearance section. Products are always in stock; same-day shipment on most items.