Hypoplastic area method for analyzing dental enamel hypoplasia

American Journal of Physical Anthropology
B E Ensor, J D Irish

Abstract

Most analyses of dental enamel hypoplasia compare frequencies of disturbed tooth types, which do not account for variability in the area of affected enamel. An alternate methodology, hypoplastic area, is presented here that accounts for this variability by combining acute and continuous enamel hypoplasia into an interval-level variable. The method compares samples based on individuals, by multiple tooth type variables, or by a single value rather than by tooth types. Use of the hypoplastic area method is illustrated by analyzing human skeletal dentitions in three archaeological samples: Meroitic Nubians from Semna South, Sudan; Anasazi from Navajo Reservoir, New Mexico; and Mogollon from Grasshopper Pueblo, Arizona. Both univariate and multivariate statistical tests are employed to assess variation in defects between individuals and samples. By incorporating measurements of continuous defects, the hypoplastic area method provides information beyond that of frequency data in comparing levels of stress. Flexibility of the method is also discussed.

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Citations

Aug 16, 2001·American Journal of Human Biology : the Official Journal of the Human Biology Council·F D GurriE F Moran
Dec 9, 2003·Journal of Biosciences·Tamara A Franz-OdendaalAnusuya Chinsamy
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Aug 15, 2012·American Journal of Physical Anthropology·Mark F SkinnerChristopher Boesch
Apr 5, 2005·Homo : internationale Zeitschrift für die vergleichende Forschung am Menschen·Zuzana Obertová
Apr 14, 2017·American Journal of Primatology·Mark F Skinner, Matthew M Skinner
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May 12, 2007·American Journal of Physical Anthropology·A R OgdenW J White
Feb 17, 2019·American Journal of Physical Anthropology·Mark F SkinnerMatthew M Skinner
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Dec 21, 2005·American Journal of Physical Anthropology·Charles FitzGeraldRoberto Macchiarelli
Jul 4, 2020·American Journal of Human Biology : the Official Journal of the Human Biology Council·Sammantha HolderTosha Dupras
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