A Microcomputed Tomographic Study of Canal Isthmuses in the Mesial Root of Mandibular First Molars in a Chinese Population

Journal of Endodontics

Volumn 35, Issue 3, 2009, Pages 353-356

  Gu, Lisha ^a   Wei, Xi ^a   Ling, Junqi ^a   Huang, Xiangya ^a  

^a SUN YAT SEN UNIVERSITY   (China)

Author keywords

Canal anatomy; isthmus; mandibular first molar; microcomputed tomography; three dimensional morphology

Indexed keywords

ADULT; AGE; ARTICLE; ASIAN; CHINA; HUMAN; MANDIBLE; METHODOLOGY; MICRO-COMPUTED TOMOGRAPHY; MIDDLE AGED; MOLAR TOOTH; RADIOGRAPHY; THREE DIMENSIONAL IMAGING; TOOTH PULP; TOOTH ROOT;

ADULT; AGE FACTORS; ASIAN CONTINENTAL ANCESTRY GROUP; CHINA; DENTAL PULP CAVITY; HUMANS; IMAGING, THREE-DIMENSIONAL; MANDIBLE; MIDDLE AGED; MOLAR; TOOTH APEX; X-RAY MICROTOMOGRAPHY; YOUNG ADULT;

EID: 60649106581     PISSN: 00992399     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.joen.2008.11.029     Document Type: Article

References (29)

1. Weller R.N., Niemczyk S.P., and Kim S. Incidence and position of the canal isthmus. Part 1. Mesiobuccal root of the maxillary first molar. J Endod 21 (1995) 380-383
2. Teixeira F.B., Sano C.L., Gomes B.P.F.A., et al. A preliminary in vitro study of the incidence and position of the root canal isthmus in maxillary and mandibular first molars. Int Endod J 36 (2003) 276-280
3. Skidmore A.E., and Bjornal A.M. Root morphology of the human mandibular first molar. Oral Surg 32 (1971) 778-784
4. Vertucci F. Root canal anatomy of the human permanent teeth. Oral Surg 58 (1984) 589-599
5. Hsu Y.Y., and Kim S. The resected root surface. The issue of canal isthmuses. Dent Clin North Am 41 (1997) 529-540
6. von Arx T. Frequency and type of canal isthmuses in first molars detected by endoscopic inspection during periradicular surgery. Int Endod J 38 (2005) 160-168
7. Mannocci F., Peru M., Sherriff M., et al. The isthmuses of the mesial root of mandibular molars: a micro-computed tomographic study. Int Endod J 38 (2005) 558-563
8. Oi T., Saka H., and Ide Y. Three-dimensional observation of pulp cavities in the maxillary first premolar tooth using micro-CT. Int Endod J 37 (2004) 46-51
9. Fan B., Cheung G.S., Fan M., et al. C-shaped canal system in mandibular second molars: part I-anatomical features. J Endod 30 (2004) 899-903
10. Fan B., Gao Y., Fan W., et al. Identification of a C-shaped canal system in mandibular second molars-Part II: the effect of bone image superimposition and intraradicular contrast medium on radiograph interpretation. J Endod 34 (2008) 160-165
11. Min Y., Fan B., Cheung G.S., et al. C-shaped canal system in mandibular second molars. Part III: the morphology of the pulp chamber floor. J Endod 32 (2006) 1155-1159
12. Gao Y., Fan B., Cheung G.S., et al. C-shaped canal system in mandibular second molars part IV: 3-D morphological analysis and transverse measurement. J Endod 32 (2006) 1062-1065
13. 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 93 (2002) 328-332
14. Reuben J., Velmurugan N., and 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 34 (2008) 212-215
15. Gulabivala K., Aung T.H., Alavi A., et al. Root and canal morphology of Burmese mandibular molars. Int Endod J 34 (2001) 359-370
16. Gulabivala K., Opasanon A., Ng Y.L., et al. Root and canal morphology of Thai mandibular molars. Int Endod J 35 (2002) 56-62
17. Ahmed H.A., Abu-bakr N.H., Yahia N.A., et al. Root and canal morphology of permanent mandibular molars in a Sudanese population. Int Endod J 40 (2007) 766-771
18. Kim S., Pecora G., and Rubinstein R.A. The resected root surface and isthmus. Color Atlas of Microsurgery in Endodontics (2001), W.B. Saunders Company, Philadelphia 98-104
19. Gutarts R., Nusstein J., Reader A., et al. In vivo debridement efficacy of ultrasonic irrigation following hand-rotary instrumentation in human mandibular molars. J Endod 31 (2005) 166-170
20. Burleson A., Nusstein J., Reader A., et al. The in vivo evaluation of hand/rotary/ultrasound instrumentation in necrotic, human mandibular molars. J Endod 33 (2007) 782-787
21. Jung I.Y., Seo M.A., Fouad A.F., et al. Apical anatomy in mesial and mesiobuccal roots of permanent first molars. J Endod 31 (2005) 364-368
22. Rubinstein R.A., and Kim S. Long-term follow-up of cases considered healed one year after apical microsurgery. J Endod 28 (2002) 378-383
23. Kim S., Pecora G., and Rubinstein R. Osteotomy and apical root resection. Color Atlas of Microsurgery in Endodontics (2001), WB. Saunders Company, Philadelphia 85-94
24. Degerness R., and Bowles W. Anatomic determination of the mesiobuccal root resection level in maxillary molars. J Endod 34 (2008) 1182-1186
25. Kim S., and Kratchman S. Modern endodontic surgery concepts and practice: a review. J Endod 32 (2006) 601-623
26. Görduysus M.O., Görduysus M., and Friedman S. Operating microscope improves negotiation of second mesiobuccal canals in maxillary molars. J Endod 27 (2001) 683-s6
27. Baldassari-Cruz L.A., Lilly J.P., and Rivera E.M. The influence of dental operating microscope in locating the mesiolingual canal orifice. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 93 (2002) 190-194
28. Schwarze T., Baethge C., Stecher T., et al. Identification of second canals in the mesiobuccal root of maxillary first and second molars using magnifying loupes or an operating microscope. Aust Endod J 28 (2002) 57-60
29. Nair P.N. On the causes of persistent apical periodontitis: a review. Int Endod J 39 (2006) 249-281