Cutting efficiency of conventional and heat‐treated nickel–titanium rotary or reciprocating glide path instruments

Cutting efficiency of conventional and heat‐treated nickel–titanium rotary or reciprocating glide path instruments

Aim To compare the cutting efficiency of several glide path files: HyFlex EDM Glidepath File (HEGF), One G (OG), R‐Pilot (RP) and WaveOne Gold Glider (WOGG) at different cutting inclinations. Methodology Cutting efficiency of 120 new HEGF, OG, RP and WOGG was tested at 90°, 70° and 45° inclination i...

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Veröffentlicht in:International endodontic journal 2020-03, Vol.53 (3), p.376-384
Hauptverfasser: Pedullà, E., Leanza, G., La Rosa, G. R. M., Gueli, A. M., Pasquale, S., Plotino, G., Rapisarda, E.
Format: Artikel
Sprache:eng
Schlagworte:
cutting efficiency
Dental Instruments
Dentistry
Efficiency
Endodontics
Equipment Design
glide path
Gypsum
heat treatment
Hot Temperature
incidence angles
Mathematical programming
Nickel
reciprocation
Remanufacturing
Repair & maintenance
Root Canal Preparation
Rotation
Titanium
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Zusammenfassung:Aim To compare the cutting efficiency of several glide path files: HyFlex EDM Glidepath File (HEGF), One G (OG), R‐Pilot (RP) and WaveOne Gold Glider (WOGG) at different cutting inclinations. Methodology Cutting efficiency of 120 new HEGF, OG, RP and WOGG was tested at 90°, 70° and 45° inclination in relation to the sample. Depending on manufacturer instructions, instruments were tested in continuous rotation or reciprocating motion against standardized gypsum samples for 120 s using a customized apparatus. Cutting efficiency was determined by measuring the weight loss and the length of the sample cut. Data were analysed using two‐way analysis of variance and Tukey t‐test (P 
ISSN:0143-2885
1365-2591
DOI:10.1111/iej.13224