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ePaper created 2017-11-24, 11:00:53 | version 1.38.0
root canal irrigation industry report | Fig.4: EDDY in action. I decided to use only some syringes containing 5 per cent sodium hypochlorite and EDDY, a sonic tip produced by VDW, for delivery of the cleaning solution and to promote turbulence in the endo- dontic space and shear stress on the canal walls in order to remove the necrotic tissue faster and more effectively. After a rinse with sodium hypochlo- rite, the sonic tip was moved to and from the work- ing length of the canal for 30 seconds. This proce- dure was repeated until the sodium hypochlorite seemed to become ineffective, was clear and had no bubbles. I did not use EDTA, as no debris or smear layer was produced. I suctioned the sodium hypochlorite, checked the working length with a paper point and then ob- turated the canal with a of 3 mm in thickness plug of bioactive cement. I then took a radiograph be- Fig. 4 fore obturating the rest of the canal with warm gutta-percha. I used a compomer as a temporary filling material. The symptoms resolved, so I conducted the sec- ond treatment only after some months, when the tooth #11 became tender. Tooth #21 had healed. I performed the same procedure and obtained the same outcome (the four-month follow-up radio- graph showed healing)._ about Dr Vittorio Franco is an endodontist who runs an endodontic referral practice in London and in Rome. An active member of the European Society of Endodon- tology, Franco is also the President-elect of the Italian Society of Endodontics. Fig. 5: Intraoperative radiograph of apical plug of tooth #11 (after 6 months from the first treatment). Fig. 6: Post-operative radiograph. Fig. 7: Four months follow-up radiograph. Fig. 5 Fig. 6 Fig. 7 roots 4 2017 35