SUMMARY:depending on the canal - PDF document

SUMMARY:depending on the canal’s moisture characteristics. Theprecision in the presence of blood, of additionally importedassess the device’s ability to determine the working lengthadaptive apex locator, working length.stenosis as regards the favourable treatment. Almost allsince they result in a very high degree of accuracy /4, 6, 8,SIXTH GENERATION ADAPTIVE APEX LOCATOR*Department of Conservative Dentistry, Faculty of Dental Medicine,Medical Academy, Sofia, Bulgaria Journal of IMAB - Annual Proceeding (Scientific Papers) 2009, book 2on the quality of radiography, as well as on the quality ofthat the canal curvatures may be shadowed and lost. Alongtreatment is to determine the RC as shorter, with the ensuingSo far, five generations of instruments have beenCurrently, fourth and fifth generation devices aremostly employed. What is typical of the fourth generationfrequencies of electrical impulses /13, 28/. A significantTo cope with those problems, a measuring method hasmathematical processing/13, 18, 19, 25/. Apex locators of this device accuracy depending on the type of canal instrumentachievements in this field of science that had beenprompted us to AIM at devising a method and an applianceof the first method with the second method’s convenienceÌÀÒÅRIAL AND METHODSrequires: preliminary definition of the canal’s electrometricof the measuring method. The purpose is to ADAPT thedepending on the location of the measuring instrument’swhen programs adapt according to the canal’s electromecha- plastic tooth models with previously shaped canals simulation moistness was achieved by filling canals1.Studied tooth models or extracted teeth2.Conducting solutions3.Apex locator4.LGR-meter5.ÌÎ controller for mathematical data processing6.Oscilloscope7.Îhm-meterRESULTS AND DISCUSSION:depending on the canal’s moisture characteristics. The the requirements of ISO 13 485. A series of comparativetests have been made to confirm conformity.Due to modern technology, the sixth generationlarger than a dentist’s palm /see fig. ¹ 2 - c/.clinicist’s wish, the adaptive apex locator will retrieve audioRC measurement of 30 extracted teeth of the same dry orindicating that the device expects for the tip of thehuman teeth show that the adaptive apex locator combinesmoistness. Within just a thousandth of the second, duringcanal depending on the canal’s moisture characteristics. The êîðåíîâèòå êàíàëè ïðè åíäîäîíòñêî2. Áîòóøàíîâ, Ï., Ñò. Âëàäèìèðîâ,-èçìåðâàíå äúëæèíàòà íà êîðåíîâèòåíîñò. Ñòîìàò.,Ñ., 4, 1983, 6-10.4. Âëàäèìèðîâ, Ñò., Îïðåäåëÿíåäúëæèíàòà íà êîðåíîâèòå êàíàëè ïðèåíäîäîíòñêî ëå÷åíèå, - Êàíäèäàòñêà5. Stavrianos Ch., Ñò. Âëàäèìèðîâ, Ë.äúëæèíà íà êîðåíîâè êàíàëè ñ âèòàëíà èíåêðîòè÷íà ïóëïà ÷ðåç àïåêñëîêàòîðàForamatron D 10, Çúáîëåêàðñêè ïðåãëåä,6. Backman, C., R.Oswald, D.Pitts – Aradiographic comparison of the root canal7. Besner, E., A. Michanowicz, J.Michanowicz, Practical Endodontics, AClinical Atlas Mosby – Year Book, 1994,8. Bramante, C., A. Berbert – A clinicalevaluation of some methods of9. Brown, R., V. Hadley, D. Chambers,- An evaluation of Ektaspeed plus filmversus ultra speed film for Endodntic10. Cohen Stephen, Richard BurnsPathways of the Pulp. The C. V. Mosbydetermination of apical foramen, A new aidfor endodontic experiment and therapy.radiographic interpretation. J. of13. Gordon M., N. Chandler.Electronic apex locators. Int. End. J., 37,14. Grimberg F., G. Banegas, L.Chiacchio et al. In vivo determination of15. Heling, B., A. Karmon –angle radiography. J. of the British16. Hoer D., T. Attin . The accuracy17. Kaufman AY., S.Keila, M., Yoshpe,study. Int. End., J., 35, 2002,186-92.18. Kobayshi, Ch., H. Suda, A newwith electronic canal measuring capability.19. Kobayshi, Ch., H. Suda, Newon the Ratio Method, V. of Endodontics,20. Larheim, T., S. Eggen. – Determina-tion of tooth length with a standardized21. Marmasse, A., - Dentistrie22. Martinez - Lozano MA., L.23. Messing, J. C. R. Stock. A colourAtlas of Endodontics Wolfe Medical24. Narita, M., A new root canaltechnique Bulletin of the Kanagowa25. Nekoofar MH., K. Sadeghi, ES.Akha et al., The accuracy of the Neosonodifferent alloys: an in vitro study. J. of theCalifornian Dent., Assoc., 30, 2002, 681-4.,26. Olson, A., et al., The ability ofthe radiograph to determine the location ofthe apical foramen. Int. Endodontics27. Pommer O., O. Stamm, T. Attin.electrical assisted determination of the28. Sunada, I., New method for29. Thomas AS., GR. Hartwell, PC.Moon, The accuracy of the Root ZX30. Welk AR., JC Baumgarrtner, JGMarshal, An in vivo comparison of two Slavcho Dimitrov,Department of Conservative Dentistry, Faculty of Dental Medicine,Medical University, Sofia,1, Georgi Sofiiski str., 1431 Sofia, Bulgariastiviart@abv.bgassess the device’s ability to determine the working lengthof root canals under various clinical conditions and