Article
Occurrence of the Carabelli trait in twins discordant or concordant for cleft lip and/or palate.
Acta odontologica Scandinavica - 1 Dec 1996
Laatikainen T, Ranta R
Abstract excerpt
The frequency and expression of the Carabelli trait among 36 twin pairs discordant or concordant for cleft lip and/or palate were investigated. Four of 10 monozygotic (MZ) and 24 of 26 dizygotic (DZ) pairs of twins were discordant for clefts. The frequency of the trait on the first upper molars of the noncleft subjects was 79%. It varied from 54% to 61% in the subjects with clefts, and the frequency of the trait...
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