Crown size asymmetry in males with fra(X) or Martin-Bell syndrome

B. Peretz, P. Ever-Hadani, P. Casamassimo, E. Eidelman, C. Shellhart, Randi J Hagerman

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


We measured the mesio-distal and bucco-lingual crown diameters of 13 males with the fra(X) or Martin-Bell syndrome. Fluctuating crown-size asymmetry was calculated and compared with values obtained in normal Caucasian children and also with a sample of 19 males with Down syndrome. A statistically significant increased asymmetry was found in the fra(X) males when compared to normal control individuals. In the maxilla, Down syndrome males showed a significantly higher tooth crown asymmetry than fra(X) males. (<0.02); in the mandible, no significant differences were found between the 2 groups. It is suggested that crown size asymmetry be included in the evaluation of fra(X) males.

Original languageEnglish (US)
Pages (from-to)185-190
Number of pages6
JournalAmerican Journal of Medical Genetics
Issue number1-2
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Genetics(clinical)


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