Diet and Dental Evolution

Diet and Dental Evolution - c. In order to move this...

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Diet and Dental Evolution I. Australopithecines a. Thick enamel because of diet a.i. Omnivores- Plant and animal foods a.ii. Less omnivores than us—ate a lot of hard to chew food a.iii. Therefore they developed strong teeth-thick and coarse  a.iv. Incisors = big a.v. Large, thick molar= large mandible because of this (more room for big  teeth ) b. Shape of mandible= U shaped--- Very thick and large b.i. Human’s mandible v shaped b.ii. Mandibular robustocity—Graph in lecture slides
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Unformatted text preview: c. In order to move this mandible= need big muscle c.i. This caused large facial feature d. Two groups = gracile and robust e. Thick enamel= reflects coarse diet e.i. Markings on enamel were profound marks f. Teeth were flat II. Summary: a. Size of incisor- ours are smaller b. Canine- reduction in human evolution c. Large size of molars- reflects diet d. Large mandible= large muscles e. ^Big cheek bones because of big muscles 21:08 21:08...
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This note was uploaded on 10/05/2011 for the course ANTHRBIO 364 taught by Professor Frisancho during the Winter '10 term at University of Michigan.

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Diet and Dental Evolution - c. In order to move this...

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