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Journal of Dental Research
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Crown Area as an Indicator of Changing Crown Size in Human Pre-natal Teeth

N. Prasad

The University of Michigan, Dental

A.R. Burdi

Medical Schools, Ann Arbor, Michigan 48109

This study deals with correlations of tooth size in human primary teeth. Traditionally, mesiodistal or buccolingual measurements have been used to express crown size. However, in this study, crown area was used as a reference parameter.

Graphic reconstructions of 38 histologically prepared human fetuses with Crown-Rump Length (CRL) between 54 and 280 mm were used to obtain linear and area measurements. Based on clinical records and physical examinations, these fetuses were considered typical-for-age, or "normal". Correlation matrices indicated high levels of concordance among all developing deciduous tooth crowns and arch measurements. It was concluded that crown area is a statistically better trait to use in comparison of teeth rather than the traditional mesiodistal measurement.

Journal of Dental Research, Vol. 63, No. 11, 1302-1305 (1984)
DOI: 10.1177/00220345840630111001
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