The Prevalence of Three-rooted Mandibular Permanent First Molars in a German Population

Journal of Endodontics

Volumn 35, Issue 2, 2009, Pages 202-205

  Schäfer, Edgar ^a   Breuer, Dominik ^a   Janzen, Sabine ^b  

^a UNIVERSITY OF MÜNSTER   (Germany)

^b NONE

Author keywords

Accessory root; anatomy; distolingual root; radix entomolaris; radix paramolaris

Indexed keywords

ADULT; AGED; ARTICLE; CAUCASIAN; FEMALE; GERMANY; HISTOLOGY; HUMAN; MALE; MANDIBLE; MIDDLE AGED; MOLAR TOOTH; RADIOGRAPHY; RETROSPECTIVE STUDY; TOOTH ROOT;

ADULT; AGED; AGED, 80 AND OVER; EUROPEAN CONTINENTAL ANCESTRY GROUP; FEMALE; GERMANY; HUMANS; MALE; MANDIBLE; MIDDLE AGED; MOLAR; RETROSPECTIVE STUDIES; TOOTH ROOT; YOUNG ADULT;

EID: 58249115258     PISSN: 00992399     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.joen.2008.11.010     Document Type: Article

References (37)

1. Calberson F.L., De Moor R.J., and Deroose C.A. The radix entomolaris and paramolaris: clinical approach in endodontics. J Endod 33 (2007) 58-63
2. De Moor R.J., Deroose C.A., and Calberson F.L. The radix entomolaris in mandibular first molars: an endodontic challenge. Int Endod J 37 (2004) 789-799
3. Gulabivala K., Aung T.H., Alavi A., and Ng Y.L. Root canal morphology of Burmese mandibular molars. Int Endod J 34 (2001) 359-370
4. Gulabivala K., Opasanon A., Ng Y.L., and Alavi A. Root canal morphology of Thai mandibular molars. Int Endod J 35 (2002) 56-62
5. Tu M.G., Tsai C.C., Jou M.J., et al. Prevalence of three-rooted mandibular first molars among Taiwanese individuals. J Endod 33 (2007) 1163-1166
6. Yew S.C., and Chan K. A retrospective study of endodontically treated mandibular first molars in a Chinese population. J Endod 19 (1983) 471-473
7. Vertucci F.J. Root canal anatomy of the human permanent teeth. Oral Surg Oral Med Oral Pathol 58 (1984) 589-599
8. Carabelli G. Systematisches Handbuch der Zahnheilkunde. 2nd ed. (1844), Braumüller and Seidel, Vienna 114
9. Bolk L. Bemerkungen über Wuzelvariationen am menschlichen unteren Molaren. Zeitschrift für Morphologie Anthropologie 17 (1915) 605-610
10. Sperber G.H., and Moreau J.L. Study of the number of roots and canals in Senegalese first permanent mandibular molars. Int Endod J 31 (1998) 117-122
11. Carlsen O., and Alexandersen V. Radix entomolaris: identification and morphology. Scan J Dent Res 98 (1990) 163-173
12. Ferraz J.A.B., and Pécora J.D. Three-rooted mandibular molars in patients of Mongolian, Caucasian and Negro origin. Braz Dent J 3 (1992) 113-117
13. Curzon M.E.J. Miscegenation and the prevalence of three-rooted mandibular first molars in the Baffin Eskimo. Community Dent Oral Epidemiol 2 (1974) 130-131
14. Tratman E.R. Three-rooted lower molars in man and their racial distribution. Br Dent J 64 (1938) 264-274
15. Walker R.T. Root form and canal anatomy of mandibular first molars in a southern Chinese population. Dent Traumatol 4 (1988) 19-22
16. Reichart P.A., and Metah D. Three-rooted permanent mandibular first molars in the Tai. Community Dent Oral Epidemiol 9 (1981) 191-192
17. Bonaccorso A., and Tripi T.R. Root canal treatment of a three-rooted mandibular first molar-a case report. ENDO (Lond Engl) 2 (2008) 211-216
18. Schumann C. Endodontic treatment of a mandibular first molar with radix entomolaris: a case report. ENDO (Lond Engl) (in press).
19. Huang R.Y., Lin C.D., Lee M.S., et al. Mandibular disto-lingual root: a consideration in periodontal therapy. J Periodontol 78 (2007) 1485-1490
20. Walker R.T., and Quackenbush L.E. Three-rooted first permanent molars in Hong-Kong Chinese. Br Dent J 159 (1985) 298-299
21. Sabala C.L., Benenati F.W., and Neas B.R. Bilateral root or root canal aberrations in a dental school patient population. J Endod 20 (1994) 38-42
22. Quackenbush L.E. Mandibular molar with three distal root canals. Dent Traumatol 2 (1986) 48-49
23. Steelman R. Incidence of an accessory distal root on mandibular first permanent molars in Hispanic children. J Dent Child 53 (1986) 122-123
24. Curzon M.E.J. Three-rooted mandibular permanent molars in English Caucasians. J Dent Res 52 (1973) 181
25. de Souza-Freitas J.A., Lopes E.S., and Casati-Alvares. Anatomic variations of lower first permanent molar roots in two ethnic groups. Oral Surg Oral Med Oral Pathol 31 (1971) 274-278
26. Curzon M.E.J., and Curzon J.A. Three-rooted mandibular molars in the Keewatin Eskimo. J Can Dent Assoc 37 (1971) 71-73
27. Wasti F., Shearer C., and Wilson N.H.F. Root canal systems of the mandibular and maxillary first permanent molar teeth of South Asian Pakistanis. Int Endod J 34 (2001) 263-266
28. Loh H.S. Incidence and features of three-rooted permanent mandibular molars. Aust Dent J 35 (1990) 434-437
29. Jones A.W. The incidence of the three-rooted first permanent molar in Malay people. Singapore Dent J 5 (1980) 15-17
30. Somogyi-Csizmazia W., and Simons A.J. Three-rooted mandibular first molars in Alberta Indian children. J Can Dent Assoc 37 (1971) 105-106
31. Taylor A.E. Variations in the human tooth form as met with in isolated teeth. J Anat Physiol 33 (1899) 268-272
32. Fabian H. Spezielle Anatomie des Gebisses (1928), Werner Klinkhardt, Leipzig
33. Hjelmman G. Morphologische Beobachtungen an den Zähnen der Finnen. Acta Society of Medicine Fenn Duodecim 11 (1929) 1-136
34. Skidmore A.E., and Bjorndahl A.M. Root canal morphology of the human mandibular first molar. Oral Surg Oral Med Oral Pathol 32 (1971) 778-784
35. Turner C.G. Three-rooted mandibular first permanent molars and the question of American Indian origins. Am J Phys Anthropol 34 (1971) 229-241
36. Harada Y., Tomino S., Ogawa K., et al. Frequency of three-rooted mandibular first molars. Shika Kiso Igakkai Zasshi 3 (1989) 18-8
37. Laband F. Two years' dental school work in British North Borneo: relation of diet to dental caries among natives. J Am Dent Assoc 28 (1941) 992-998