Mechanical Properties of Endodontic Instruments
Objectives and Goals
- able to describe the dimensions of endodontic instruments
- able to describe the cutting abilities of the variety of endodontic instruments
- able to describe the fracture susceptibility of endodontic instruments based on design and usage
- able to compare the properties of the materials that are used in endodontic instruments
Cohen and Hargreaves. Pathways of the Pulp. 9th edition. 2006. pp 238-254, 301-318.
Council on Dent. Materials. Report #28 for endodontic files and #1 reamers. J Amer Dent Assoc 1976;93:813-817 (with 1989 revisions).
Lautenschlager EP, Jacobs JJ, Marshall GW, Heuer MA. Brittle and ductile torsional failures of endodontic instruments. J Endodon 1977; 3:175-178.
Lentine FN A study of torsional and angular deflection of endodontic files and reamers. J Endodon 1979; 5:181-191.
Miserendino LJ, Miseendino CA, MKoser JB, Heuer MA, Osetek EM. Cutting efficiency of endodontic instruments. Part III. Comparison of sonic and ultrasonic instrument systems. J Endodon 1988;14:24-30. .
Walia H, Brantley WA, Gerstein H. An initial investigation of the bending and torsional properties of nitinol root canal files. J Endodon 1988; 14:346-351.
Murgel CAF, Walton, RE, Rilttman B, Pecora JD. A comparison of techniques for cleaning endodontic files after usage: A quantitative scanning electron microscopic study. J Endodon 1990;16:214-217.
Luebke NE, Brantley WA. Physical dimensions and torsional properties of rotary endodontic instruments I. Gates glidden drills. J Endodon1990;16:438-441.
Seto BG, Nicholls JI, Harrington GW. Torsional properties of twisted and machined endodontic files. J Endodon 1990;16:355-360.
Luebke NH, Brantley WA. Torsional and metallurgical properties of rotary endodontic instruments II. Stainless steel Gates Glidden drills. J Endodon 1991;17:319-323.
Wolcott J, Himel V. Torsional properties of nickel-titanium versus stainless steel endodontic files. J Endodon 1997;4:217-220.
Silvaggio J, Hicks ML. Effect of heat sterilization on the torsional properties of rotary nickel-titanium endodontic files. J Endodon 1997:12;731-734.
Haikel Y, Serfaty R, Speisser J, Allemann C. Mechanical properties of nickel titanium endododntic instruments and the effect of sodium hypochlorite treatment. J Endodon 1998:11;731-737.
Haikel Y, Serfaty R, Speisser J, Allemann C. Cutting efficiency of nickel-titanium endodontic instruments and the effect of sodium hypochlorite treatment. J Endodon 1998:11;736-739.
Gambarini G. Cyclic fatigue of nickel-titanium rotary instruments after clinical use with low- and high-torque endodontic motors. J Endodon 2001:12;772-774.
Ruddle C. Nickel titanium rotary systems. Endodontic Practice 2001:4;7
Martin b, Zelada G, Varela P, Bahillo J, Magan F, Ahn S, Rodriguez C. Factors influencing the fracture of nickel-titanium rotary instruments. Int Endod J 2003:36;262-266.
Shen Y, Shun-pan C, Bian A, Peng B. Comparison of defects in ProFile and ProTaper systems after clinical use. J Endodon 2006:1;61-65.
Yao J, Schwartz S, Beeson T. Cyclic fatigue of three types of rotary nickel titanium files in a dynamic model. J Endodon 2006:1;55-57.
Spanaki-Voreadi A, Kerezoudis N, Zinelis S. Failure mechanism of ProTaper niti rotary instruments during clinical use: fractographic analysis. Int Endo J 2006:39;171-178.
Alexandrou G, Chrissafis K, Vasiliadis L, Pavlidou E, Polychroniadis E, SEM observations and differential scanning calorimetric studies of new and sterilized nickel-titanium rotary endodontic instruments. JEndodon 2006:7;675-679.
Kitchens G, Liewehr F, Moon P. The effect of operational speed on the fracture of nickel-titanium rotary instruments. J Endodon 2007:33;52-54.
Gutierrez, Juan H., et al; Physical and chemical deterioration of endodontic reamers during mechanical preparation. Oral Surg 28:394.
Chernick LB, Jacobs JJ, Lautenschalger EP, Heuer MA. Torsional failure of endodontic files. J Endodon 1976;2:94-97.
Eichner, M.A., et al; Effect of protein and sodium hypochlorite on endodontic instruments. JOE 2(11):335.
Felt, R.A., et al; Flare design of endodontic instruments: Its influence on cutting efficiency. J Endodon 8(6):253.
Segall, Ronald O., et al; Evaluation of endodontic instruments as received from the manufacturer: the demand for quality control. Oral Surg 44(3).
Machian, George R., et al; The comparative efficiency of four types of endodontic instruments. J Endodon 8(9).
Roth WC, Gough RW, Grandich RA, Walker WA. A study of the strength of endodontic files; Potential for torsional breakage and relative flexibility. J Endodon 1983; 9:228-232.
Newman, John G., et al; A study of the cutting efficiency of seven brands of endodontic files in linear motion. J Endodon 9(8).
Krupp JD, Brantley WA, Gerstein H. An investigation of the torsional and bending properties of seven brands of endodontic files. J Endodon 1984;10:372-380.
Miserendino LJ, Moser JB, Heuer MA, Osetek EM. Cutting efficacy of endodontic instruments. Part1. A quantitative comparison of the tip and fluted regions. J Endodon 1984;11:434-441
Powell SE, Simon JS, Maze BB. A comparison of the effect of modified and non modified instrument tips on apical canal configuration. J Endodon 1986;12:293-300.
Scott, G.L., et al; Ultrasonic endodontics: The wear of instruments with usage. J Endodon 12(7):279.
Miserendino LJ, Moser JB, Heuer MA, Osetek EM. Cutting efficiency of endodontic instruments. Part II. Analysis of tip design. J Endodon 1986; 12:8-12.
Cormier CJ, von Fraunhofer JA, Chamberlain JH. A comparison of endodontic file quality and file dimensions. J Endodon 1988;14:138-142
Stenman E, Spangberg LSW. Machining efficiency of flex-R, K-flex, trio-cut, and S-files. J Endodon 1990;16:575-579
Keate KC, Wong M. A comparison of endodontic file tip quality. J Endodon 1990;16:486-491
Haikel Y, Gasser P, Allemann C. Dynamic fracture of hybrid endodontic hand instruments compared with traditional files. J Endodon 1991;17:217-220.
Massa GR, Nicholls JI, Harrington GW. Torsional properties of the canal master instrument. J Endodon 1992;18:222-227.
Zuolo ML, Walton RE, Murgel CAF. Canal master files: Scanning electron microslpic evaluation of new instruments and their wear with clinical usage. J Endodon 1992;18:336-339.
Hennequin M, Andre JF, Botta G. Dentin removal efficiency of six endodontic systems: A quantitative comparison. J Endodon 1992;18:601-605.
Camps J, Pertot W. Relationship between file size and stiffness of stainless steel instruments. Endod Dent Traumatol 1994; 10:260-263.
Luebke N, Brantley W, Sabri Z, Luebke F, Lausen L. Physical dimensions, torsional performance, bending properties, and metallurgical characteristics of rotary endodontic instruments. VI. Canal master drills. J Endodon 1995;5:259-263.
Schrader C, Sener B, Barbakow F. Evaluating the sizes of Lightspeed instruments. IntEndodJ 1998:31;295-300.
Stokes O, Di Fiore P, Barss J, Koerber A, Gilbert J, Lautenschlager E. Corrosion in stainless-steel and nickel-titanium files. J Endodon1999:1;17-20.
Svec T, Powers J. Torsional strength of gates glidden drills exposed to clinical conditions. J Endodon 1999:2;126-127.
Haikel H, Serfaty R, Bateman G, Senger B, Allemann C. Dynamic and cyclic fatigue of engine-driven rotary nickel-titanium endododntic instruments. J Endodon 1999:6;434-440.
Gabel W, Hoen M, Steiman R, Pink F, Dietz R. Effect of rotational speed on nickel-titanium file distortion. JEndodon 1999:11;752-754
Yared G, Dagher F, Machtou P. Failure of Profile instruments used with high and low torque motors. IntEndodJ 2001:34;471-475
Yared G, Dagher F, Machtou P. Influence of rotational speed, torque and operator’s proficiency on ProFile failures. IntEndodJ 2001:34;47-53
Berutti E, Negro A, Lendini M, Pasqualini D. Influence of manual preflaring and torque on the failure rate of Protaper rotary instruments. Jendodon 2004:4;228-230