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2 ◊Page A1 because the sodium hypochlorite is probably no longer reacting. There may still be something inside the canal, but the solution has achieved its best result. That would be my only suggestion. What is your irrigation protocol? I start with 5 per cent sodium hy- pochlorite, which I use for the entire shaping procedure. At the end, I use 17 per cent EDTA, activate it and re- move it quickly. Then I use sodium hypochlorite again and activate it up to four times depending on the case. For necrotic cases, I wait until I see the reaction of the irrigant and the substrate. After removal of the sodium hypochlorite, I use 95 per cent ethanol to dry the canal. I do not use citric acid and chlorhexidine, but prefer EDTA to remove the smear layer. How did you activate the irrigant before you began using EDDY? I tried all activation tools before EDDY, as irrigation activation has been one of my favourite methods ever since I was introduced to it. Be- fore EDDY, I used passive ultrasonic activation and still use it sometimes in my Italian practice. Now, I use EDDY for most of my cases. EDDY, a sonic tip produced by VDW. seems to be impressive when using it. It is also very safe. What do you think about the polyamide material from which EDDY is made? It works very well. It is a very good material for working after shaping, as one cannot damage the canal wall. Also, the possibility of tip fracture is low if one works inside the canal. How important is it to have a flexible tip? EDDY is quite different from pas- sive ultrasonic tips. With EDDY, one can combine two different things. First, one has an activation protocol that some studies have shown is at least as good as passive ultrasonic activation. Second, one has a gentle mechanical action on the canal walls. This is why I love EDDY. One can work on the wall and the shear stress How did you learn about EDDY? I tried everything in terms of activa- tion. The manufacturer asked me to test it before its impending launch in Italy and I was happy to do so. At first, I tried it with great care—and it instantly proved to be effective. I inspected the walls of the canal and was impressed by the level of the cleanness of the walls. With EDDY, one can work in all canals, and some- Dr Vittorio Franco is an Italian endodontist who uses EDDY, a sonic-powered irrigation tip. (Photograph: Vittorio Franco) times I like to work only with the tip in large and wide canals. I do not use a shaping instrument, but just one file for length determination and then continue with EDDY. One can also remove debris and the smear layer easily by activating the solu- tion through the device. Every den- tist will appreciate how EDDY works under the microscope. ENDO TRIBUNE Dental Tribune Middle East & Africa Edition | 2/2018 How does EDDY work, and how long does the activation need? I use EDDY in the same way as pas- sive ultrasonic irrigation, applying three to four cycles of 30 seconds for each canal. I help the EDTA to con- tact the dental surface with EDDY for 15–20 seconds. After this, I activate every sodium hypochlorite rinse for 30 seconds. The number of cycles de- pends on the kind of canal. If I think that there is some necrotic tissue or a complicated anatomy, I use more than three cycles. If it is an easy case, I still use three cycles of activation. Would you recommend EDDY? Absolutely. It is a great solution, be- ing inexpensive, easy to use and ef- fective. One can effectively promote the contact of the irrigant with the dental tissue. This is one of the main ways in which the irrigating solution should work. One can achieve a very impressive shear stress so that is one of the best ways to activate the solu- tion and clean the canal. EDDY requires an air scaler. Should this be an obstacle to making the switch to this device? Honestly, buying an air scaler is not a high-cost investment. As a general practitioner, one can use an air scaler for a number of applications, includ- ing prophylaxis, endodontics, peri- odontics and minimally invasive therapy. Personally, I use it for bone surgery. It is not as expensive as a piezoelectric surgery unit or a laser. I think that the cost benefits of EDDY and an air scaler are fantastic. Thank you very much for the inter- view. Endo Non-surgical and Surgical Retreatment (Management of Endodontic Failure) Dr. Antonis Chaniotis, Greece PRICE: 4,400 AED (1198USD) CONTACT: Email: events@cappmea.com Mob: +971 50 2793711 Endo Micro Surgical Retreatment (Management of Endodontic Failure) Prof. James Prichard, UK PRICE: 4,400 AED (1198USD) CONTACT: Email: events@cappmea.com Mob: +971 50 2793711 TIME & LOCATION: Thursday - Friday 05 - 06 July 2018 | 09:00 – 18:00 CAPP Training Institute, Dubai, UAE CAPP designates this activity for 14CE Credits TIME & LOCATION: Saturdy - Sunday 07 - 08 July 2018 | 09:00 – 18:00 CAPP Training Institute, Dubai, UAE CAPP designates this activity for 14CE Credits COURSE OUTLINE: DAt 1 - To understand the rational behind non surgical retreatment approaches and the aitiology of initial root canal treatment failure. To present an evidence based framework for the safe and effective dissasembly of non obturation and obturation materials. DAt 2 - To understand the factors related to the long term outcome of non surgical endodontic retreatment and to develop a rational diagnostic and decision making framework. To appreciate the importance of magnification and illumination for the management of complicated non surgical retreatment cases. COURSE AIMS: DAY 1 - To understand the rational behind micro surgical retreatment approaches and acquire basic surgical knowledge. DAY 2 - To understand the importance of magnification in endodontic microsurgery and acquire basic microsurgical skills. 14 CE Credits Est. 14 CME HAAD Est. 12 CME DHA 14 CE Credits Est. 14 CME HAAD Est. 12 CME DHA