Studies of resistance micro-welding modes for dentistry applications
About authors
- 1 — postgraduate student Saint Petersburg State Mining Institute (Technical University)
- 2 — Ph.D., Dr.Sci. professor Saint Petersburg State Mining Institute (Technical University)
Abstract
Various modes of resistance welding between steel and Ni-Ti-extracting electrodes and fractures of endodontic files were investigated. It was demonstrated that in close to real clinical situations there is most suitable a sequence of a number of pulses of a steepened welding current. As a result, detachment force limit of 15-50 N is achievable which is sufficient for the fracture extraction in most cases.
Область исследования:
(Archived) Applied and fundamental research in physics and mathematics
Keywords:
extraction of fractured endodontic instruments from a tooth root canal
resistance micro-welding
Funding:
None
References
- Alexandrovskiy V.L., Tsyganov A.B. Removing of steel endodontic instruments fragments using new electronic extracting device // Clinical Endodontics. 2007. Vol.1. N 1-2. P.92-95.
- Beloglazov I.N., Mustafaev A.S., Tsyganov A.B. and Chirtsov A.S. Manufacturing technology of Ni-Тi electrodes for broken endodontic instruments extraction from a tooth root canal // Tsvetnye Metally. 2009. N 3. P.42-45.
- Alexandrovskiy V.L., Tsyganov A.B. Method for a fractured instrument removing from a tooth root canal and extractor for its implication // Patent of Russian Federation N 2257868. Publication date 10.08.2005.
- Di Fiore P.M., Genov K.A., Komaroff E., Y.Li, L.Lin. Nickel-titanium rotary instrument fracture: a clinical practice assessment // International. Endodontics Journal. 2006. Vol.39. Issue 9. P.700-708.
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