Journal of the Formosan Medical Association
Volume 109, Issue 4 , Pages 303-308 , April 2010

Evaluation of Root and Canal Systems of Mandibular First Molars in Taiwanese Individuals Using Cone-beam Computed Tomography

  • Chih-Chia Huang

      Affiliations

    • Department of Dentistry, Cardinal Tien Hospital, Taipei, Taiwan
  • ,
  • Ya-Chi Chang

      Affiliations

    • Department of Dentistry, Cardinal Tien Hospital, Taipei, Taiwan
  • ,
  • Meng-Che Chuang

      Affiliations

    • Department of Dentistry, Cardinal Tien Hospital, Taipei, Taiwan
  • ,
  • Tat-Minc Lai

      Affiliations

    • Department of Dentistry, Cardinal Tien Hospital, Taipei, Taiwan
  • ,
  • Juin-Yih Lai

      Affiliations

    • R & D Center for Membrane Technology, Department of Chemical Engineering, Chung Yuan University, Chung Li, Taiwan
  • ,
  • Bor-Shiunn Lee

      Affiliations

    • Graduate Institutes of Oral Biology, National Taiwan University and National Taiwan University Hospital, Taipei, Taiwan
    • Corresponding Author InformationCorrespondence to: Dr Bor-Shiunn Lee, Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University and National Taiwan University Hospital, 1 Chang-Te Street, Taipei 10016, Taiwan
  • ,
  • Chun-Pin Lin

      Affiliations

    • Clinical Dentistry, School of Dentistry, National Taiwan University and National Taiwan University Hospital, Taipei, Taiwan

Received 23 April 2009 ,Revised 24 June 2009 ,Accepted 24 June 2009.

References 

  1. Robinson S , Czerny C , Gahleitner A , et al.   Dental CT evaluation of mandibular first premolar root configurations and canal variations . Oral Surg Oral Med Oral Pathol Oral Radiol Endod . 2002;93:328–332
  2. Arai Y , Tammisalo E , Iwai K , et al.   Development of a compact computed tomographic apparatus for dental use . Dentomaxillofac Radiol . 1999;28:245–248
  3. Nair MK , Nair UP . Digital and advanced imaging in endodontics: a review . J Endod . 2007;33:1–6
  4. Simon JH , Enciso R , Malfaz JM , et al.   Differential diagnosis of large periapical lesions using cone-beam computed tomography measurements and biopsy . J Endod . 2006;32:833–837
  5. Lofthag-Hansen S , Huumonen S , Gröndahl K , et al.   Limited cone-beam CT and intraoral radiography for the diagnosis of periapical pathology . Oral Surg Oral Med Oral Pathol Oral Radiol Endod . 2007;103:114–119
  6. Rigolone M , Pasqualini D , Bianchi L , et al.   Vestibular surgical access to the palatine root of the superior first molar: “low-dose cone-beam” CT analysis of the pathway and its anatomic variations . J Endod . 2003;29:773–775
  7. Patel S , Dawood A , Pitt Ford T , et al.   The potential applications of cone beam computed tomography in the management of endodontic problems . Int Endod J . 2007;40:818–830
  8. Matherne RP , Angelopoulos C , Kulild JC , et al.   Use of cone-beam computed tomography to identify root canal systems in vitro . J Endod . 2008;34:87–89
  9. Patel S , Dawood A . The use of cone beam computed tomography in the management of external cervical resorption lesions . Int Endod J . 2007;40:730–737
  10. Reuben J , Velmurugan N , Kandaswamy D . The evaluation of root canal morphology of the mandibular first molar in an Indian population using spiral computed tomography scan: an in vitro study . J Endod . 2008;34:212–215
  11. Tu MG , Tsai CC , Jou MJ , et al.   Prevalence of three-rooted mandibular first molars among Taiwanese individuals . J Endod . 2007;33:1163–1166
  12. Ahmed HA , Abu-bakr NH , Yahia NA , et al.   Root and canal morphology of permanent mandibular molars in a Sudanese population . Int Endod J . 2007;40:766–771
  13. Gulabivala K , Aung TH , Alavi A , et al.   Root and canal morphology of Burmese mandibular molars . Int Endod J . 2001;34:359–370
  14. Wasti F , Shearer AC , Wilson NHF . Root canal systems of the mandibular and maxillary first permanent molar teeth of South Asian Pakistanis . Int Endod J . 2001;34:263–266
  15. Yew SC , Chan K . A retrospective study of endodontically treated mandibular first molars in a Chinese population . J Endod . 1993;19:471–473
  16. Walker RT , Quackenbush LE . Three-rooted lower first permanent molars in Hong Kong Chinese . Br Dent J . 1985;159:298–299
  17. Tu MG , Huang HL , Hsue SS , et al.   Detection of permanent three-rooted mandibular first molars by cone-beam computed tomography imaging in Taiwanese individuals . J Endod . 2009;35:503–507
  18. Skidmore AE , Bjorndal AM . Root canal morphology of the human mandibular first molar . Oral Surg Oral Med Oral Pathol . 1971;32:778–784
  19. Zaatar EI , al Anizi SA , al Duwairi Y . A study of the dental pulp cavity of mandibular first permanent molars in the Kuwaiti population . J Endod . 1998;24:125–127
  20. Souza-Freitas JA , Lopes ES , Casati-Alvares L . Anatomic variation of lower first permanent molar roots in two ethnic groups . Oral Surg Oral Med Oral Pathol . 1971;31:274–278
  21. Curzon MEJ . Miscegenation and the prevalence of three-rooted mandibular first molars in the Baffin Eskimo . Community Dent Oral . 1974;2:130–131
  22. Reichart PA , Metah D . Three-rooted permanent mandibular first molars in the Thai . Community Dent Oral . 1981;9:191–192
  23. Walker RT . Root form and canal anatomy of mandibular first molars in a Southern Chinese population . Endod Dent Traumatol . 1988;4:19–22
  24. Sperber GH , Moreau JL . Study of the number of roots and canals in Senegalese first permanent mandibular molar . Int Endod J . 1998;31:117–122
  25. Chen SC , Chueh LH , Hsiao CK , et al.   An epidemiologic study of tooth retention after nonsurgical endodontic treatment in a large population in Taiwan . J Endod . 2007;33:226–229
  26. Sogur E , Baks BG , Gröndahl HG . Imaging of root canal fillings: a comparison of subjective image quality between limited cone-beam CT, storage phosphor and film radiography . Int Endod J . 2007;40:179–185
  27. Kobayashi K , Shimoda S , Nakagawa Y , et al.   Accuracy in measurement of distance using limited conebeam computerized tomography . Int J Oral Maxillofac Implants . 2004;19:228–231

PII: S0929-6646(10)60056-3

doi: 10.1016/S0929-6646(10)60056-3

Journal of the Formosan Medical Association
Volume 109, Issue 4 , Pages 303-308 , April 2010