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today JDIQ Montréal May 26

exposants/exhibitors10 JDIQ — 26 mai 2015 May 26, 2015 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 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 anat- omy, long anatomical measurements (26and27mm,respectively,for#36and PIPS technique used in endodontics treatment 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 den- tistry.Hecompletedthe postgraduate laser course at the Univer- sity of Firenze and received laser certifi- cation from the International Society for Lasers in Dentistry. He earned advanced proficiency mastership from the Acad- emy of Laser Dentistry and is the 2007 recipient of ALD’s Leon Goldman Award for Clinical Excellence. He has a private practice in endodontics, restorative and pediatric dentistry in Rome. He can be contactedatolivilaser@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 at the JDIQ YoucanlearnmoreaboutPhotonInducedPhotoacousticStream- ing and the Lightwalker AT laser device at the National Dental Inc. booth (No. 100/102) in the exhibit hall. (Photos/Provided by Dr. Giovanni Olivi) 37) and the presence of a deep vertical bone loss in the buccal aspect. After scaling and root planning, the teeth were scheduled for root–canal therapy. Before each treatment, the Photon 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, Ultra- dent, South Jordan, Utah) and gutta– percha points. A final treatment of the pockets 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 mobil- ity of the teeth progressively disap- peared up to grade 0. Thefollow-upX–raysperformedafter one month and four months showed healing in progress for both the teeth. Lightwalker AT laser device with contactH14–ChandpieceandPIPSfiber 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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