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today Ontario Dental Meeting 08 May

exhibitors4 2015 ASM — May 8, 2015 n A patient asked for the option to save her teeth that were scheduled for extraction by another dentist. The lower–leftfirstandsecondmolarshad high mobility (grade 2), were necrotic, with significant probing depths in the buccal aspect. The teeth were diagnosed for endo–perio treatment. Difficulties with this case included complex radicular anatomy, long ana- tomicalmeasurements(26and27mm, respectively, for #36 and 37) and the PIPStechniqueusedinendodonticstreatment By Prof. Giovanni Olivi, MD, DDS University of Genoa, Italy About the author Dr. Giovanni Olivi is an adjunct professor of endodontics at the University of Genoa SchoolofDentistryand a board member and professor in its master course in laser dent- istry. He completed the postgraduate laser course at the University of Firenze and receivedlasercertificationfromtheInter- national Society for Lasers in Dentistry. He earned advanced proficiency master- shipfromtheAcademyofLaserDentistry and is the 2007 recipient of ALD’s Leon Goldman Award for Clinical Excellence. He has a private practice in endodon- tics,restorativeandpediatricdentistryin Rome.Hecanbecontactedat olivilaser@ gmail.com.  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 Here in Toronto You can learn more about Photon Induced Photoacoustic Streaming and the Lightwalker AT laser device at the National Dental Inc. booth (No. 1028) in the exhibit hall. (Photos/Provided by Dr. Giovanni Olivi) presence of a deep vertical bone loss in the buccal aspect. After scaling and root planning, the teeth were sched- uled for root–canal therapy. Before each treatment, the Pho- ton Induced Photoacoustic Streaming (PIPS™) technique was applied into the periodontal 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. The canals were obturated with a flowable resin sealer (Endoreze, Ultradent, South Jordan, Utah) and gutta–percha points. A final treatment of the pockets using PIPS for disinfec- tion 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 progres- sively 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 treatment. Lightwalker parameters: • Laser source: Er:YAG; • Wavelength: 2940 nm; • Pulse duration: SSP; • Energy: 15 mJ; • Frequency: 15 Hz. Disclosure: Dr. Olivi has relationships with several laser companies (including AMD- DENTSPLY, Biolase and Fotona) but receives no financial compensation for his research or for writing articles. AD

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