The cusp of Carabelli. Occurrence in first upper molars and evaluation of its heritability.

Abstract:

:In a Finnish rural population 79.0% of 233 persons had the cusp of Carabelli in first upper molars. Of these 20% showed "positive cusps" and 59% "negative cusps". The occurrence of the structure was bilateral with varying degrees of asymmetry, but if there was no structure on one side of the jaw, the other never showed the cusp. There was no sexual dimorphism either in the occurrence or in the degree of expression of character. Results of the statistical analyses suggested low heritability of the character. However, the dichotomy of having a cusp or not may have genetic basis, but there is large variation in the expression of the "cusp-genotype".

journal_name

Acta Odontol Scand

authors

Alvesalo L,Nuutila M,Portin P

doi

10.3109/00016357509027561

subject

Has Abstract

pub_date

1975-01-01 00:00:00

pages

191-7

issue

4

eissn

0001-6357

issn

1502-3850

journal_volume

33

pub_type

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