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exhibitors20 Pacific Dental Conference — March 6, 2014 Sticking with giomer hybrids for fillings and restorations ‘Show-Me-State’ dentist has been a fan of Shofu for more than two decades Jack D. Griffin, DMD, has been using Shofu Dental Corp. products in his St. Louis-area dental practice for more than 20 years, initially using the abrasive polishers that made the company famous — and more recently using Shofu products in restorative work. He’s always been impressed with the results, but when Beautifil Flow Plus was released, the longtime fan became a super fan. “That changed everything,” Griffin said. Before that, he said, composite hybrids were fine as a liner and as a base but were not strong enough to be used for restoration buildups. Griffin immediatelyembracedShofu’spropri- etary giomer technology, which went beyond the other hybrids — as a flow- able resin with the strength needed to perform as a restorative. The material also has the ability to effectively fill voids and help protect teeth from decay through the release of high levels of fluoride. Griffin was so pleased with the Dr. Jack D. Griffin (Photo/Robert Selleck, Managing Editor) Here at the PDC A number of speakers are referencing or describing Shofu products in detail, including Dr. Jack D. Griffin, who from 1:30 to 4 p.m. today in VCC Room 306 will present“Let’sStickTogether:TheMostDurableAestheticMaterialsEver.”Hewill discussvarioususesofBeautifilFlowPlusandBeautifilII,relativetotheirproper- tiesandclinicalusage.Formoreinformation,andshowspecials,stopbytheShofu booth in the exhibit hall, No. 1530. results he was achieving with his patients that he started demonstrat- ing the Shofu materials for fellow practitioners around the country. He will present an open session today at 1:30 p.m. and a limited- attendence workshop on Friday. Creating regenerative fillings Describing his use of Beautifil Flow Plus and Beautifil II to create regener- ative fillings, Griffin said, “The flow- able acts as a liner and seals margins. It covers all of the exposed dentin and margins while also reducing the voids.” He uses the products back- to-back to create a strong, aesthetic filling that also inhibits bacteria and plaque development. Griffin also is a fan of the Shofu product, Ceramage (available in the U.S.), a zirconium silicate integrated indirect restorative for both anterior and posterior regions. Griffin con- firmed the company’s description of the material as having “superior flexural strength, elasticity and unsurpassed polishability.” Griffin has used Ceramage a num- ber of times, including to cement a CAD/CAM-designed monolithic crown — polishing the material to replicate the natural appearance and light-diffusing properties of dentin and enamel. According to Shofu liter- ature, Ceramage bonds to a variety of substructures,includingnonprecious and high noble alloys. It has an exten- sive shade selection for natural tooth and gum colour reproduction. The material can be used to create anterior and posterior crowns, ven- eers, implant-supported restorations and inlays and onlays. A full set of gumcoloursalsoenablesthematerial to replicate gingival anatomy. (Source: Shofu Dental Corp.) n A patient asked for the option to save her teeth that were scheduled for extraction by another dentist. The lower left first and second molars had highmobility(grade2),werenecrotic, with significant probing depths in the buccal aspect. Theteethwerediagnosedforendo/ perio treatment. Difficulties with this case included complex radicular anatomy, long anatomical measure- ments (26 and 27 mm respectively for #36 and 37) and the presence of a deep vertical bone loss in the buccal aspect. After scaling and root plan- ning, the teeth were scheduled for root–canal therapy. Before treatment: PIPs Before each treatment the PIPS™ technique was applied into the peri- odontal pockets of each tooth for refining the debridement, removal of biofilm from the root surfaces and pocket disinfection. The root canal treatments were performed using PIPS–specific irrigation protocols with 5 percent NaOCl and 17 percent EDTA. Obturation with resin sealer Thecanalswereobturatedwithaflow- able resin sealer (Endoreze Ultradent, SouthJordan,Utah)andgutta–percha points. A final treatment of the pock- ets using PIPS for disinfection was performed after completing each root canal therapy to remove any extruded sealer or residual biofilm. No post–op symptoms were reported and the mobility of the teeth progressively disappeared up to grade 0. The follow up X–rays performed after one and four months showed healing in progress for both the teeth. Lightwalker AT laser device with contact H14–C handpiece and PIPS fiber tip was used for the treat- ment. Lightwalker parameters: • Laser source: Er:YAG; • Wavelength: 2940 nm; • Pulse duration: SSP; • Energy: 15 mJ; Frequency: 15 Hz. Disclosure: Dr. Olivi has relation- ships with several laser companies (including AMD-DENTSPLY, Biolase, and Fotona) but receives no financial compensation for his research or for writing articles. Editor’s note: See related article on page 18. EndodonticPhotonInducedPhotoacousticStreaming(PIPS) By Prof. Giovanni Olivi, MD, DDS University of Genoa, Italy Fig. 1: Pre–op, before the PIPS treatment. Fig. 2: Post–op, after PIPS treatment Fig. 3: One month post–op Fig. 4: Four months post–op About the author Dr. Giovanni Olivi is an adjunct professor of endodontics at the University of Genoa School of Dentistry and a board member and professor in its master course in laser dentistry. He com- pleted the postgraduate laser course at the University of Firenze, and received laser certification from the International SocietyforLasersinDentistry.Heearned advanced proficiency mastership from the Academy of Laser Dentistry and is the 2007 recipient of ALD’s Leon Gold- man Award for Clinical Excellence. He has a private practice in endodontics, restorative and pediatric dentistry in Rome. He can be contacted at olivilaser@ gmail.com. Industry case study Treatment uses Lightwalker AT laser with contact H14-C handpiece and PIPS fiber tip