Mandibular premolar and second molar root morphological variation in modern humans: What root number can tell us about tooth morphogenesis

American Journal of Physical Anthropology

Volumn 128, Issue 2, 2005, Pages 299-311

  Shields, Edward D ^a  

^a MCGILL UNIVERSITY   (Canada)

Author keywords

Critical cell mass; Epigenetic; Hominin; Interradicular; Postcanine; Premolar; Primordia; Quantitive; Root size

Indexed keywords

ARTICLE; CANINE TOOTH; FEMALE; HUMAN; MAJOR CLINICAL STUDY; MALE; MANDIBLE; MOLAR TOOTH; PREMOLAR TOOTH; SEX DIFFERENCE; TOOTH DEVELOPMENT; TOOTH RADIOGRAPHY; TOOTH ROOT; TOOTH SIZE;

BICUSPID; FEMALE; HISTORY, ANCIENT; HUMANS; MALE; MANDIBLE; MOLAR; MORPHOGENESIS; PALEODONTOLOGY; TOOTH ROOT;

EID: 26044460923     PISSN: 00029483     EISSN: None     Source Type: Journal    
DOI: 10.1002/ajpa.20110     Document Type: Article

References (40)

1. Abbott SA. 1984. A comparative study of tooth root morphology in the great apes, modern man and early hominids. Ph.D. thesis, University of London.
2. Aiello L, Dean C. 1990. An introduction of human evolutionary anatomy. New York: Academic Press. p 151.
3. Alexandersen V, Carlsen O. 1998. Supernumerary roots of mandibular molar teeth. In: Lukacs J, editor. Human dental development, morphology and pathology: a tribute to Albert A. Dahlberg. University of Oregon anthropological papers no. 54. Eugene: University of Oregon. p 201-214.
4. Bermúdez de Castro LM, Martinón-Torres M, Sarmiento S, Lozano M, Arsuaga JL, Carbonell E. 2003. Rates of anterior tooth wear in Middle Pleistocene hominins from Sima de los Huesos (Sierra de Atapuerca, Spain). Proc Natl Acad Sci USA 100:11992-11996.
5. Brace CL, Smith SL, Hunt KD. 1991. What big teeth you had Grandma! Human tooth size, past and present. In: Kelley MA, Larsen CS, editors. Advances in dental anthropology. Toronto: Wiley-Liss. p 33-57.
6. Butler PM. 1939. Studies of the mammalian dentition, differentiation of the post-canine dentition. Proc Zool Soc Lond (B) 109:1-36.
7. Cavalli-Sforza LL, Menozzi P, Piazza A. 1994. The history and geography of human genes. Princeton, NJ: Princeton University Press.
8. Falush D, Wirth T, Linz B, Pritchard JK, Stephens M, Kidd M, Blaser MJ, Graham DY, Vacher S, Perez-Perez GI, Yamaoka Y, Mégraud F, Otto K, Reichard U, Katzowitsch E, Wang X, Achtman M, Suerbaum S. 2003. Traces of human migrations in Helicobacter pylori populations. Science 299:1582-1585.
9. Groves C. 2001. Primate taxonomy. Washington, DC: Smithsonian Institution Press.
10. Grüneberg H. 1951. The genetics of a tooth defect in the mouse. Proc R Soc Lond [Biol] 138:437-451.
11. Grüneberg H. 1965. Genes and genotypes affecting the teeth of the mouse. J Embryol Exp Morphol 14:137-159.
12. Grüneberg H. 1966. The molars of the tabby mouse, and a test of the "single-active X-chromosome" hypothesis. J Embryol Exp Morphol 15:223-244.
13. Irish JD. 1997. Characteristic high- and low-frequency dental traits in sub-Saharan African populations. Am J Phys Anthropol 102:455-467.
14. James WW. 1960. The jaws and teeth of primates. London: Pitman Medical Publishing Co., Ltd.
15. Jernvall J, Thesleff I. 2000. Reiterative signaling and patterning during mammalian tooth morphogenesis. Mech Dev 92:19-29.
16. Kovacs I. 1967. Contribution to the ontogenetic morphology of roots of human teeth. J Dent Res [Suppl] 46:865-874.
17. Kovacs I. 1971. A systematic description of dental roots. In: Dahlberg AA, editor. Dental morphology and evolution. New York: University of Chicago Press. p 211-256.
18. Larick R, Ciochon RL. 1996. The African emergence and early Asian dispersals of the genus Homo. Am Sci 84:538-551.
19. Molnar S. 1971. Human tooth wear, tooth function, and cultural variability. Am J Phys Anthropol 34:175-190.
20. Osborne JW. 1978. Morphogenetic gradients: fields versus clones. In: Butler PM, Joysey KA, editors. Development, function and evolution of teeth. London: Academic Press. p 171-210.
21. Pispa J, Jung HS, Jernvall J, Kettunen P, Mustonen T, Tabata MJ, Kere J, Thesleff I. 1999. Cusp patterning defect in Tabby mouse teeth and its partial rescue by FGF. Dev Biol 216:521-534.
22. Scott E. 1979. Dental wear scoring technique. Am J Phys Anthropol 51:213-218.
23. Scott GR, Turner CG II. 1997. The anthropology of modern human teeth: dental morphology and its variation in recent human populations. Cambridge: Cambridge University Press.
24. Shields ED. 1996. Quantitative complete tooth variation among East Asians and Native Americans: developmental biology as a tool for the assessment of human divergence. J Craniofac Genet Dev Biol 16:193-207.
25. Shields ED. 1999. A new perspective of human origins derived from the microevolution of teeth. J Craniofac Genet Dev Biol 19:119-127.
26. Shields ED. 2000a. Chimpanzee as an outgroup for the examination of human dental evolution. J Craniofac Genet Dev Biol 20:1-9.
27. Shields ED. 2000b. Her name is "Lucy," our three million year old ancestor. J Dent Res 79:13-20.
28. Shields ED, Jones G. 1996. Heterochronic quantitative microevolution: dental divergence in aboriginal Americans. Am J Phys Anthropol 100:355-365.
29. Shields ED, Jones G. 1998. Dorset and Thule divergence from east Central Asian roots. Am J Phys Anthropol 106:207-218.
30. Shields ED, Scriver C, Reade T, Fujiwara TM, Morgan K, Ciampi A, Schwartz S. 1990. X-linked hypophosphatemia: the mutant gene is expressed in teeth as well as kidney. Am J Hum Genet 46:434-442.
31. Tasa GL. 1998. Three-rooted mandibular molars in Northwest Coast populations: implications for Oregon prehistory and peopling of the New World. In: Lukacs L, editor. Human dental development, morphology and pathology: a tribute to Albert A. Dahlberg. University of Oregon anthropological papers, no. 54. Eugene: University of Oregon. p 215-244.
32. Tishkoff A, Williams SM. 2002. Genetic analysis if African populations: human evolution and complex disease. Nat Rev Genet 3:611-621.
33. Tobias PV. 1995. Root number in the maxillary third premolars: a very ancient polymorphism. In: Moggi-Cecchi J, editor. Aspects of dental biology: palaeontology, anthropology and evolution. Florence: International Institute for the Study of Man. p 283-290.
34. Tomes CS. 1923. A manual of dental anatomy: human and comparative. 8th ed. New York: MacMillan Co.
35. Tucker AS, Headon DJ, Schneider P, Ferguson BM, Overbeek P, Tschopp J, Sharpe PT. 2000. Edar/Eda interactions regulate enamel knot formation in tooth morphogenesis. Development 127:4691-700.
36. Turner CG II. 1971. Three-rooted mandibular first permanent molars and the question of American Indian origins. Am J Phys Anthropol 34:229-242.
37. Turner CG II, Nichol CR, Scott GR. 1991. Scoring procedures for key morphological traits of the permanent dentition: the Arizona State University dental anthropological system. In: Kelley MA, Larsen CS, editors. Advances in dental anthropology. Toronto: Wiley-Liss. p 13-31.
38. Waddington CH. 1940. Organisms and genes. Cambridge: Cambridge University Press.
39. Wood B, Collard M. 1999. The human genus. Science 284:65-71.
40. Wood BA, Abbott SA, Uytterschaut H. 1988. Analysis of the dental morphology of Plio-Pleistocene hominids IV. Mandibular postcanine root morphology. J Anat 156:107-139.