The Effect of Root Preparation Technique and Instrumentation Length on the Development of Apical Root Cracks

Journal of Endodontics

Volumn 35, Issue 3, 2009, Pages 389-392

  Adorno, Carlos G ^a   Yoshioka, Takatomo ^a   Suda, Hideaki ^a  

^a TOKYO MEDICAL AND DENTAL UNIVERSITY   (Japan)

Author keywords

Apical root cracks; preparation; vertical root fracture; working length

Indexed keywords

ARTICLE; COMPARATIVE STUDY; DENTAL CARE; DENTAL EQUIPMENT; DENTIN; ENDODONTICS; EQUIPMENT DESIGN; EVALUATION; HUMAN; INJURY; INSTRUMENTATION; METHODOLOGY; PREMOLAR TOOTH; TOOTH FRACTURE; TOOTH ROOT;

BICUSPID; DENTAL INSTRUMENTS; DENTAL STRESS ANALYSIS; DENTIN; EQUIPMENT DESIGN; HUMANS; ROOT CANAL PREPARATION; TOOTH APEX; TOOTH FRACTURES;

EID: 60649111301     PISSN: 00992399     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.joen.2008.12.008     Document Type: Article

References (21)

1. Wu M.K., Wesselink P.R., and Walton R.E. Apical terminus location of root canal treatment procedures. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 89 (2000) 99-103
2. Kuttler Y. Microscopic investigation of root apexes. J Am Dent Assoc 50 (1955) 544-552
3. Dummer P.M.H., McGinn J.H., and Rees D.G. The position and topography of the apical canal constriction and apical foramen. Int Endod J 17 (1984) 192-198
4. Blašković-Šubat V., Matičić B., and Šutalo J. Asymmetry of the root canal foramen. Int Endod J 25 (1992) 158-164
5. Cleghorn B.M., Christie W.H., and Dong C.C.S. The root and root canal morphology of the human mandibular first premolar: A literature review. J Endod 33 (2007) 509-516
6. Zandbiglari T., Davids H., and Schäfer E. Influence of instrument taper on the resistance to fracture of endodontically treated roots. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 101 (2006) 126-131
7. Versluis A., Messer H.H., and Pintado M.R. Changes in compactation stress distributions in roots resulting from canal preparation. Int Endod J 39 (2006) 931-939
8. Blum J.Y., Machtou P., and Micallef J.P. Location of contact areas on rotary Profile instruments in relationship to the forces developed during mechanical preparation on extracted teeth. Int Endod J 32 (1999) 108-114
9. Isom T.L., Marshall J.G., and Baumgartner J.C. Evaluation of root thickness in curved canals after flaring. J Endod 21 (1995) 368-371
10. Lam P.P.S., Palamara J.E.A., and Messer H.H. Fracture strength of tooth roots following canal preparation by hand and rotary instrumentation. J Endod 31 (2005) 529-532
11. Roane J.B., Sabala C.L., Meredith N., et al. The "balanced force" concept for the instrumentation of curved canals. J Endod 11 (1985) 203-211
12. Okitsu M., Takahashi H., Yoshioka T., et al. Effective factors including periodontal ligament on vertical root fractures. Dent Mater J 24 (2005) 66-69
13. Akkayan B., and Gülmez T. Resistance to fracture of endodontically treated teeth restored with different post systems. J Prosthet Dent 87 (2002) 431-437
14. Sirimai S., Riis D.N., and Morgano S.M. An in vitro study of the fracture resistance and the incidence of vertical root fracture of pulpless teeth restored with six post-and-core systems. J Prosthet Dent 81 (1999) 262-269
15. Blum J.Y., Machtou P., Esber S., et al. Analysis of forces developed during root canal preparation with the balanced force technique. Int Endod J 30 (1997) 386-396
16. Mayhew J.T., Eleazer P.D., and Hnat W.P. Stress analysis of human tooth root using various root canal instruments. J Endod 26 (2000) 523-524
17. Card S.J., Sigurdsson A., Ørstavik D., et al. The effectiveness of increased apical enlargement in reducing intracanal bacteria. J Endod 35 (2002) 752-758
18. Weiger R., Bartha T., Kalwitzki M., et al. A clinical method to determine the optimal apical preparation size. Part 1. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 102 (2006) 686-691
19. Kishen A. Mechanisms and risk factors for fracture predilection in endodontically treated teeth. Endod Top 13 (2006) 57-83
20. Sathorn C., Palamara J.E.A., and Messer H.H. A comparison of the effects of two canal preparation techniques on root fracture susceptibility and fracture pattern. J Endod 31 (2005) 283-287
21. Kishen A., Kumar G.V., and Chen N.N. Stress-strain response in human dentine: rethinking fracture predilection in postcore restored teeth. Dent Traumatol 20 (2004) 90-100