Matt Paton · April 30, 2013
I read an article about placing patient identification in acrylic dentures. May labs were discussing the best way to cold cure the ID into the denture and what materials to use for the actual ID. I heat...See more cure the denture ID into the denture and it will never yellow or fade. Here's how, perform your wax up, boil out, and separation in the usual method. using the "mini-ident" product, type the information then apply a thin film of super glue to the type so it will not be affected by the monomer. Choose the thickest area on the denture that will not be subject to gross reduction in future relines. Using type 1 monomer wet an area slightly larger than your ID tag, sprinkle type 1 clear denture resin to a thickness of approx. 2 mm to your separated cast. Place the ID tag on the wetted clear acrylic and press into the about half the thickness of the wetted acrylic. Sprinkle another 1mm of type 1 clear resin onto the ID tag. Let the acrylic assembly set for approx. 3-4 minutes. this is necessary so the ID tag will not "float" during the packing process. Carefully place pink denture base into the mold trying to pack around the ID tag without disturbing the ID tag. Close case and compress slowly. You will have a very cool and permanent Identified denture.
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The phrase “Like father, like son,” has never been better illustrated than at last year’s American Academy of Cosmetic Dentistry (AACD) meeting in Seattle. At the event, Bill Brown, CDT,...See more Owner of Brown Dental Lab in Issaquah, WA, and his son, Kevin Brown, DDS, became the first father-son team to simultaneously receive AACD accreditation. A technician for over 40 years, Bill has always been close with his kids. While growing up, Kevin and his brother, Craig, spent a lot of time in their dad’s lab, learning waxing techniques and becoming familiar with anatomy. Craig eventually joined the lab as a ceramist and Kevin opted to go to dental school. “One of the reasons I got into dentistry was to work with my dad,” he says. After graduation, Kevin joined a practice close to his father’s lab and began sending Bill all of his ceramic work. “Dad’s lab is on my way home and I always stop by and help out with cases,” he says. “We can work side by side on a case, which is helpful in communicating.” When Kevin learned about the AACD’s accreditation process, he seized the opportunity for a new challenge and convinced his dad to work toward accreditation with him. The process is broken down into three sections: a comprehensive written exam, case submissions and an oral exam. The required cases are very specific, requiring before, during and after photographs and written documentation that are evaluated by a panel of AACD accreditation judges; technicians must submit three cases (six or more indirect anterior restorations, one or two indirect anterior restorations, and a tooth replacement using a bridge or implant) while dentists are required to submit five. The Browns teamed up for three of the cases. Their focus was on maintaining consistency in documenting the process, especially the photographs of the different stages. The two men even purchased identical digital cameras so they could use the same settings and make sure the finest details were visible while they were completing their work. While they worked on their accreditation cases, Bill and Kevin were required to attend the AACD’s Advanced Accreditation Workshop and Criteria Workshop, continuing education courses that help technicians and dentists learn to discern fine details and critique cosmetic restorations. The two men worked evenings and weekends and submitted their cases over a four-year period, passing all requirements, and moved on to the final step: an oral examination before a panel of accreditation judges. They took their oral exams on the same day and both received their accreditation on the first try. Bill is now one of only 42 technicians worldwide that have received AACD accreditation. The downside to working with Dad? “I can’t really say there is one,” Kevin says. “We’re both learning and progressing. We’re not afraid of critiquing each other, so maybe we said too much at times, but I never got uninvited to Sunday dinner!” Bill is also thrilled with the experience. “This whole thing is like a dream come true,” he says. “Words can’t express how proud I am. I’m proud of my work, but I’m 10 times more impressed with Kevin.”
DENTAL TEAM: Manfred Pörnbacher and Clemens Schwerin, Dentallabor Steger, Brunico, Italy and Dr. Lyndon Cooper, Professor and Chair at the University of North Carolina, School of Dentistry, Department...See more of Prosthodontics RESTORATIVE PROBLEM: A young female patient lost teeth #7 through #14 in a car accident and was already wearing a provisional restoration that had resulted in pronounced jawbone atrophy. TREATMENT PLAN: The team opted for a fixed superstructure supported by six implants at sites #7 and #8 and #11 through #14. Due to inadequate bone structure, the restoration would be an occlusally screw-retained, full contour Prettau® Bridge with a gingival flange. Prettau Zirconia was chosen because it resists chipping and is ideally suited for implant-supported restorations, situations with limited space and restorations with a gingival flange. FABRICATION PROCESS: The casts, waxup and articulated study casts were scanned using the S600 ARTI scanner. The articulator scan is used to check jaw relations so virtual casts can later be correctly occluded in the software; this allows static premature contacts to be identified with the matching virtual articulator in the software. The bridge was designed using Zirkonzahn.Modellier software; the positions of the screw access canals, values for the cementation gap and marginal region parameters were defined. The customized titanium bases were virtually modified to optimize the alignment of the screw-access canals, and the software automatically adapted the virtual waxup to the gingiva and implants. A resin provisional was milled. After several weeks, the necessary adjustments were made and the final bridge was milled using Zirkonzahn's M1 milling unit. The surface of the anterior teeth--#7 through #12--were manually cut back and customized. The incisal edges were left fully contoured to obtain edge protection and eliminate chipping. Acid-free Colour Liquids Prettau Aquarell were used for shading. The framework was placed under a drying lamp for about 40 minutes and sintered in the Zirkonofen 700 at 1,600°C. Gingiva-Composite was used in the gingival area. The technician applied Stain Colour Glaze Plus and, after the stain and glaze firing cycles, the customized titanium bases were cemented with dual-curing cement. For esthetic reasons, unit #7 simply rests on the implant and is not occlusally screw-retained because the screw access channel would have been visible on the labial surface. CONTACT: Call Zirkonzahn at 800-989-8931 or visit www.zirkonzahn.com.
Whip Mixâs second annual Survive or Thrive Digital Forum was chock-full of advice and take-home strategies to help attendees make informed decisions about digital technology.
Axsys Dental Solutions introduces a 4-axis version of the VersaMILL Dental Machining Center for in-house fabrication of dental prostheses. Equipped with the precision and high performance components...See more of the VersaMILL. 5X 5-axis mill, the VersaMILL4X is self-contained and rigid with far greater options than current four-axis machines. The VersaMILL 4X has wet/dry milling capabilities for material appropriate processing, intelligent four-axis machining that reaches into undercuts and the ability to handle a broad range of indications including custom/hybrid abutments and dental bars. The VersaMILL’s superior construction enable it to machine a wide range of materials including zirconia, titanium, chrome cobalt, resin, wax, glass-ceramics, lithium disilicate and more. The new VersaMILL 4X is also compatible with any open CAD/SCAN solutions providing the flexibility to seamlessly process all imported or modified design files. For more information about the VersaMILL 4X or VersaMILL 5X 5-axis mill contact an Axsys Dental Solutions representative at 1-855-687-7941 or visit our Web-site at: www.axsysdental.com Axsys Dental Solutions 29627 West Tech Drive Wixom, MI 48393 www.axsysdental.com email@example.com 1.855.687.7941
Amann Girrbach America launches an entry level version of the Ceramill Motion 2 mill for in-house fabrication. Equipped with the precision and high performance components of the original Motion 2 five-axis...See more mill, this entry level four-axis Motion 2 is compact and versatile with far greater options than current four-axis machines. The four-axis Motion 2 has wet/dry milling and wet grinding capabilities for material appropriate processing, intelligent four-axis machining that reaches into undercuts, the ability to handle a broad range of indications and materials including zirconia, Sintron® millable chrome cobalt, resin, wax, glass-ceramics and lithium disilicate. The new four-axis Motion 2 is also compatible with any open scanning equipment providing the flexibility to seamlessly process all imported or modified .stl files. For more information about the Motion 2 four-axis or Motion 2 five-axis mill contact an Amann Girrbach America representative at 1-800-851-3719 or visit www.AmannGirrbachAmerica.com. To register for a demonstration in your area, visit www.CeramillLiveEvents.com. Amann Girrbach America, Inc. 5265 Parkway Plaza Blvd. Charlotte, NC 28217 www.AmannGirrbachAmerica.com info@AmannGirrbachAmerica.com 1.800.851.3719
Whip Mix is proud to offer milling services for dental laboratories. Whether laboratories are in need of back-up milling or are building their digital workflow, Whip Mix Milling Services guarantees support...See more when they need it, providing a 3-day turnaround time on all restorations. Offering full contour crowns, substructures, wax patterns and custom hybrid abutments, all restorations are milled using Vericore Milling Discs and the Roland DWX-50 milling machine. Whip Mix has a highly trained team of expert professionals that will work with laboratories to guarantee they receive consistent and predictable quality with every restoration. For more information on Whip Mix Milling Services, visit www.whipmix.com or call Margaret Overmeer at 800-626-5651 x1228.
Roland DGA Corp. has announced that its DWX-50 dental CAD/CAM milling machine has earned approval from 3M ESPE for the company's Lava Ultimate Restorative resin nano ceramic material. Built on more than...See more 20 years of proven CNC milling technology, the DWX-50 joins a growing list of open-architecture mills to receive this certification. "As an open-architecture system, the DWX-50 allows labs to customize their production environments with the most advanced tools and materials from industry leaders like 3M ESPE," said Brian Brooks, product manager for Roland DGA Corp. "This certification provides Roland labs everywhere with immediate access to one of the world's most innovative dental prosthetic materials. Together, the DWX-50 and Lava Ultimate Restorative provide labs with precision results, fast, efficient production, and exceptional durability for better overall patient care." A resin nano ceramic material that offers patients excellent esthetics and outstanding strength, Lava Ultimate Restorative can be characterized and finished without firing&mdas;dramatically reducing production time. The material is designed for long-term durability and backed by a 10-year warranty. Patients experience less wear to the opposing dentition than with glass ceramics and a tooth-like bite feel due to its excellent absorption of chewing forces. Should the underlying dentition need additional treatment or repair, the material is easily modified and repaired like real tooth structure. Paired with Lava Ultimate Restorative, the DWX-50 is the perfect way to bring previously outsourced work in house. Five-axis simultaneous machining capabilities and a 5-station automatic tool changer streamline production, and its open architecture design allows seamless integration with commercially available dental CAD/CAM software and hardware. The DWX-50 mills a variety of materials, including resin nano ceramic, zirconia, wax and PMMA. The DWX-50 is available from authorized Roland dental dealers. For more information, including where to purchase, please visit www.rolanddga.com/dental. For information on Lava Ultimate Restorative from 3M ESPE, visit www.3MESPE.com/LavaUltimate.