Book contents
- Human Tooth Crown and Root MorphologyThe Arizona State University Dental Anthropology System
- Human Tooth Crown and Root Morphology
- Copyright page
- Dedication
- Contents
- Acknowledgments
- Part I Introduction
- Part II Crown and Root Trait Descriptions
- 1 Winging
- 2 Labial Convexity
- 3 Palatine Torus
- 4 Shoveling
- 5 Double-Shoveling
- 6 Interruption Grooves
- 7 Tuberculum Dentale
- 8 Bushman Canine
- 9 Canine Distal Accessory Ridge
- 10 Premolar Accessory Ridges
- 11 Upper Premolar Mesial and Distal Accessory Cusps
- 12 Uto-Aztecan Premolar
- 13 Metacone
- 14 Hypocone
- 15 Bifurcated Hypocone
- 16 Cusp 5
- 17 Marginal Ridge Tubercles (Protoconule, Mesial Accessory Tubercle, Mesial Paracone Tubercle)
- 18 Carabelli's Cusp
- 19 Parastyle
- 20 Enamel Extensions
- 21 Upper Premolar Root Number
- 22 Upper Molar Root Number
- 23 Upper Lateral Incisor Variants
- 24 Pegged/Reduced/Missing Third Molars
- 25 Premolar Odontomes
- 26 Midline Diastema
- 27 Lower Premolar Cusp Number
- 28 Anterior Fovea
- 29 Mandibular Torus
- 30 Lower Molar Groove Pattern
- 31 Rocker Jaw
- 32 Lower Molar Cusp Number
- 33 Deflecting Wrinkle
- 34 Distal Trigonid and Mid-Trigonid Crests
- 35 Protostylid
- 36 Cusp 6
- 37 Cusp 7
- 38 Lower First Premolar Root Number
- 39 Lower Canine Root Number
- 40 Three-Rooted Lower Molar
- 41 Lower Molar Root Number
- 42 Torsomolar Angle
- Part III Conclusions
- Appendix: Comparative Data
- Miscellaneous endmatter
- References
40 - Three-Rooted Lower Molar
from Part II - Crown and Root Trait Descriptions
Published online by Cambridge University Press: 21 April 2017
Book contents
- Human Tooth Crown and Root MorphologyThe Arizona State University Dental Anthropology System
- Human Tooth Crown and Root Morphology
- Copyright page
- Dedication
- Contents
- Acknowledgments
- Part I Introduction
- Part II Crown and Root Trait Descriptions
- 1 Winging
- 2 Labial Convexity
- 3 Palatine Torus
- 4 Shoveling
- 5 Double-Shoveling
- 6 Interruption Grooves
- 7 Tuberculum Dentale
- 8 Bushman Canine
- 9 Canine Distal Accessory Ridge
- 10 Premolar Accessory Ridges
- 11 Upper Premolar Mesial and Distal Accessory Cusps
- 12 Uto-Aztecan Premolar
- 13 Metacone
- 14 Hypocone
- 15 Bifurcated Hypocone
- 16 Cusp 5
- 17 Marginal Ridge Tubercles (Protoconule, Mesial Accessory Tubercle, Mesial Paracone Tubercle)
- 18 Carabelli's Cusp
- 19 Parastyle
- 20 Enamel Extensions
- 21 Upper Premolar Root Number
- 22 Upper Molar Root Number
- 23 Upper Lateral Incisor Variants
- 24 Pegged/Reduced/Missing Third Molars
- 25 Premolar Odontomes
- 26 Midline Diastema
- 27 Lower Premolar Cusp Number
- 28 Anterior Fovea
- 29 Mandibular Torus
- 30 Lower Molar Groove Pattern
- 31 Rocker Jaw
- 32 Lower Molar Cusp Number
- 33 Deflecting Wrinkle
- 34 Distal Trigonid and Mid-Trigonid Crests
- 35 Protostylid
- 36 Cusp 6
- 37 Cusp 7
- 38 Lower First Premolar Root Number
- 39 Lower Canine Root Number
- 40 Three-Rooted Lower Molar
- 41 Lower Molar Root Number
- 42 Torsomolar Angle
- Part III Conclusions
- Appendix: Comparative Data
- Miscellaneous endmatter
- References
Summary
A summary is not available for this content so a preview has been provided. Please use the Get access link above for information on how to access this content.
- Type
- Chapter
- Information
- Human Tooth Crown and Root MorphologyThe Arizona State University Dental Anthropology System, pp. 233 - 238Publisher: Cambridge University PressPrint publication year: 2017
References
Select Bibliography
Alexandersen, V., and Carlsen, O. (1998). Supernumerary roots of mandibular molar teeth. In Human Dental Development, Morphology, and Pathology: A Tribute to Albert A. Dahlberg, ed. Lukacs, J.R.. Eugene: University of Oregon Anthropological Papers, Number 54, pp. 201–214.Google Scholar
Curzon, M.E.J. (1974). Three-rooted mandibular first permanent molars in Greenland Eskimo skulls. Arctic 27, 150–153.CrossRefGoogle Scholar
Schafer, E., Breuer, D., and Janzen, S. (2008). The prevalence of three-rooted mandibular permanent first molars in a German population. Journal of Endodontics 35, 202–205.CrossRefGoogle Scholar
Tasa, G.L. (1998). Three-rooted mandibular molars in Northwest Coast populations: implications for Oregon prehistory and peopling of the New World. In Human Dental Development, Morphology, and Pathology: A Tribute to Albert A. Dahlberg, ed. Lukacs, J.R.. Eugene: University of Oregon Anthropological Papers, Number 54, pp. 215–244.Google Scholar
Tratman, E.K. (1938). Three-rooted lower molars in man and their racial distribution. British Dental Journal 64, 264–274.Google Scholar
Tratman, E.K. (1950). A comparison of the teeth of people: Indo-European racial stock with the Mongoloid racial stock. Dental Record 70, 31–53.Google ScholarPubMed
Turner, C.G. II (1971). Three-rooted mandibular first permanent molars and the question of American Indian origins. American Journal of Physical Anthropology 34, 229–241.CrossRefGoogle ScholarPubMed
Walker, R.T., and Quackenbush, L.E. (1985). Three-rooted lower first permanent molars in Hong Kong Chinese. British Dental Journal 159, 298–299.CrossRefGoogle ScholarPubMed
Younes, S.A., Al-Shammery, A.R., and El-Angbawi, M.F. (1990). Three-rooted permanent mandibular first molars of Asian and black groups in the Middle East. Oral Surgery, Oral Medicine, Oral Pathology 69, 102–105.CrossRefGoogle ScholarPubMed