Issue 28

A. Brotzu et alii, Frattura ed Integrità Strutturale, 28 (2014) 19-31; DOI: 10.3221/IGF-ESIS.28.03 31 [5] Robertzon, S.W., Pelton, A.R., Ritchie, R.O., InternationalMaterials Reviews, 57 (2012) 1-36. [6] Ugur, I., Cumhur, A., Yasar, M.-T., Oral medicine, Cyclic fatigue of ProTaper rotary nichel-titanium instruments in artificial canals with 2 different radii of curvature, Oral Patology Oral Radiology and Endodontology, 104 (6) (2007) 837-840. [7] Tripi, T. R., Bonaccorso, A., Condorelli, G.G., Cyclic fatigue of different nichel-titanium endodontic rotary instruments Oral Surgery, Oral medicine, Oral Patology Oral Radiology and Endodontology, 102(4) (2006) e106- e114. [8] Fife, D., Gambarini, G., Britto, L.R., Cyclic fatigue testing of ProTaper rotary instruments after clinical use, Oral Surgery,Oral medicine,Oral PatologyOral Radiology andEndodontology, 97(2) (2004), 251-256Feb, 2004, vol 97. [9] McKelvey, A.L., Ritchie, R.O., Fatigue-Crack Grotwth Behavior in the Superelastic and Shape-Memory alloy NiTiNOL,Met. andMat Trans. A, 32A (2001) 731-743. [10]Zehnder,M., Root canal irrigants, J Endod, 32 (2006) 389 -398. [11]Oyarzun, A., Cordero, A., Whittle, M., Immunohistochemical evaluation of the effects of sodium hypochlorite on dentin collagen and glycosaminoglycans, J. Endod, 28 (2002) 152-156. [12]Saleh, A., Ettman, W., Effect of endodontic irrigation solutions on microhardness of root canal dentine, J Dent, 27 (1999) 43-46. [13]Boessler, C., Peters, O.A., Zehnder, M., impact of lubricant parameters on rotary instrument torque and force, JOE, 33(3) (2007) 280-283. [14]Brotzu, A., Felli, F., Lupi, C., Fantini, E., Vendittozzi, C., Effects of a lubricating aqueous gel on the operative life of Ni-Ti endodontic rotary instruments: preliminary investigation, In: Convegno Nazionale IGF XXII, Roma, Italy, (2013) 262-271.