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Advances in Dental Research, Vol 3, 126-131, Copyright © 1989 by International & American Associations for Dental Research

ARTICLES

Hypocalcification and hypoplasia in permanent teeth of children from different ethnic groups in South Africa assessed with a new index

J. A. Hargreaves, P. E. Cleaton-Jones and S. D. Williams

A new descriptive index, the HHI (hypocalcification-hypoplasia index), is described for comparing enamel defects in groups of people. The index was used in a study completed in 1986, in which 1251 11-year-old children from different ethnic groups resident in South Africa were examined: 210 rural black, 203 urban black, 206 urban colored, 426 urban Indian, and 206 urban white. The index can be used as a screening examination, and the results from these different ethnic groups are presented.




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Journal of Dental Research ® Critical Reviews (1990-2004)
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