Journal of Endodontics
Volume 34, Issue 3 , Pages 258-263 , March 2008

Treatment Outcome in Endodontics: The Toronto Study—Phase 4: Initial Treatment

  • Cristian de Chevigny, DMD, MSc

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
    • ,
  • Thuan T. Dao, DMD, MSc, PhD

      Affiliations

    • Discipline of Prosthodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.
    • ,
  • Bettina R. Basrani, DDS, PhD

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
    • ,
  • Vincent Marquis, DMD, MSc

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
    • ,
  • Mahsa Farzaneh, DDS, MSc

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
    • ,
  • Sarah Abitbol, DDS, MSc

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
    • ,
  • Shimon Friedman, DMD

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
    • Corresponding Author InformationAddress requests for reprints to Dr Shimon Friedman, Professor and Head, Endodontics, Faculty of Dentistry, University of Toronto, 124 Edward St, Toronto, Ontario M5G 1G6, Canada.

References 

  1. Ørstavik D, Pitt Ford TR. Apical periodontitis: microbial infection and host responses. In:  Ørstavik D,  Pitt Ford TR editor. Essential Endodontology: prevention and treatment of apical periodontitis. Oxford: Blackwell Science; 1998;p. 1–8
  2. Friedman S. Considerations and concepts of case selection in the management of post-treatment endodontic disease (treatment failure). Endodontic Topics. 2002;1:54–78
  3. Friedman S. Prognosis of initial endodontic therapy. Endodontic Topics. 2002;2:59–88
  4. Friedman S, Mor C. The success of endodontic therapy: healing and functionality. J Calif Dent Assoc. 2004;32:493–503
  5. Friedman S. Essential Endodontology: prevention and treatment of apical periodontitis. In:  Ørstavik D,  Pitt Ford TR editor. Expected outcomes in the prevention and treatment of apical periodontitis. 2nd ed.. Oxford: Munksgaard International Publishers; 2007;
  6. Strindberg L. The dependence of the results of pulp therapy on certain factors: an analytic study based on radiographic and clinical follow-up examination. Acta Odontol Scand. 1956;14(21):
  7. Engström B, Hard AF, Segerstad L, Ramstrom G, Frostell G. Correlation of positive cultures with the prognosis for root canal treatment. Odont Revy. 1964;15:257–270
  8. Kerekes K, Tronstad L. Long-term results of endodontic treatment performed with a standardized technique. J Endod. 1979;5:83–90
  9. Byström A, Happonen RP, Sjögren U, Sundqvist G. Healing of periapical lesions of pulpless teeth after endodontic treatment with controlled asepsis. Endod Dent Traumatol. 1987;3:58–63
  10. Ørstavik D, Kerekes K, Eriksen HM. Clinical performance of three endodontic sealers. Endod Dent Traumatol. 1987;3:178–186
  11. Eriksen HM, Ørstavik D, Kerekes K. Healing of apical periodontitis after endodontic treatment using three different root canal sealers. Endod Dent Traumatol. 1988;4:114–117
  12. Sjögren U, Hagglund B, Sundqvist G, Wing K. Factors affecting the long-term results of endodontic treatment. J Endod. 1990;16:498–504
  13. Ørstavik D. Time-course and risk analyses of the development and healing of chronic apical periodontitis in man. Int Endod J. 1996;29:150–155
  14. Sjögren U, Figdor D, Persson S, Sundqvist G. Influence of infection at the time of root filling on the outcome of endodontic treatment of teeth with apical periodontitis. Int Endod J. 1997;30:297–306
  15. Trope M, Delano EO, Ørstavik D. Endodontic treatment of teeth with apical periodontitis: single vs multivisit treatment. J Endod. 1999;25:345–350
  16. Weiger R, Rosendahl R, Lost C. Influence of calcium hydroxide intracanal dressings on the prognosis of teeth with endodontically induced periapical lesions. Int Endod J. 2000;33:219–226
  17. Peters LB, Wesselink PR. Periapical healing of endodontically treated teeth in one and two visits obturated in the presence or absence of detectable microorganisms. Int Endod J. 2002;35:660–667
  18. Hoskinson SE, Ng YL, Hoskinson AE, Moles DR, Gulabivala K. A retrospective comparison of outcome of root canal treatment using two different protocols. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2002;93:705–715
  19. Friedman S, Abitbol S, Lawrence HP. Treatment outcome in endodontics: the Toronto Study—phase 1: initial treatment. J Endod. 2003;29:787–793
  20. Huumonen S, Lenander-Lumikari M, Sigurdsson A, Ørstavik D. Healing of apical periodontitis after endodontic treatment: a comparison between a silicone-based and a zinc oxide-eugenol-based sealer. Int Endod J. 2003;36:296–301
  21. Peters OA, Barbakow F, Peters CI. An analysis of endodontic treatment with three nickel-titanium rotary root canal preparation techniques. Int Endod J. 2004;37:849–859
  22. Farzaneh M, Abitbol S, Lawrence HP, Friedman S. Treatment outcome in endodontics: the Toronto Study—phase II: initial treatment. J Endod. 2004;30:302–309
  23. Ørstavik D, Qvist V, Stoltze K. A multivariate analysis of the outcome of endodontic treatment. Eur J Oral Sci. 2004;112:224–230
  24. Marending M, Peters OA, Zehnder M. Factors affecting the outcome of orthograde root canal therapy in a general dentistry hospital practice. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2005;99:119–124
  25. Marquis VL, Dao T, Farzaneh M, Abitbol S, Friedman S. Treatment outcome in endodontics: the Toronto Study—phase III: initial treatment. J Endod. 2006;32:299–306
  26. Gesi A, Hakeberg M, Warfvinge J, Bergenholtz G. Incidence of periapical lesions and clinical symptoms after pulpectomy: a clinical and radiographic evaluation of 1- versus 2-session treatment. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2006;101:379–388
  27. Ørstavik D, Kerekes K, Eriksen HM. The periapical index: a scoring system for radiographic assessment of apical periodontitis. Endod Dent Traumatol. 1986;2:20–34
  28. Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics. 1977;33:159–174
  29. Farzaneh M, Abitbol S, Friedman S. Treatment outcome in endodontics: the Toronto study—phases I and II: orthograde retreatment. J Endod. 2004;30:627–633
  30. Wang N, Knight K, Dao T, Friedman S. Treatment outcome in endodontics: the Toronto Study—phases I and II: apical surgery. J Endod. 2004;30:751–761
  31. Sackett D, Haynes RB, Guyatt GH, Tugwell P. Clinical Epidemiology: a basic science of clinical medicine. 2nd ed.. Boston: Little, Brown; 1991;
  32. Molven O, Halse A, Fristad I, MacDonald-Jankowski D. Periapical changes following root-canal treatment observed 20-27 years postoperatively. Int Endod J. 2002;35:784–790
  33. Sutherland SE. Evidence-based dentistry: part IV—research design and levels of evidence. J Can Dent Assoc. 2001;67:375–378

PII: S0099-2399(07)00940-5

doi: 10.1016/j.joen.2007.10.017

Journal of Endodontics
Volume 34, Issue 3 , Pages 258-263 , March 2008

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