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Heritability of Dental Fear
Univ Gothenburg, Dept Psychol, SE-40530 Gothenburg, Sweden.
Univ Gothenburg, Sahlgrenska Acad, Inst Odontol, SE-40530 Gothenburg, Sweden.
Örebro University, Swedish Business School at Örebro University. Statistics and Epidemiology Unit, University Hospital, Örebro, Sweden.
Univ Gothenburg, Sahlgrenska Acad, Inst Odontol, SE-40530 Gothenburg, Sweden.
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2010 (English)In: Journal of Dental Research, ISSN 0022-0345, E-ISSN 1544-0591, Vol. 89, no 3, p. 297-301Article in journal (Refereed) Published
Abstract [en]

The objective was to test a hypothesized genetic component (i.e., monozygotic being more similar compared with dizygotic twins) in dental fear/anxiety by comparing the probandwise concordance. We analyzed data based on a dichotomous measure of Dental Fear/Anxiety and a continuous measure of Dental Fear Intensity from over 2000 twins, collected when participants were 13-14 years old and once again three years later. The hypothesis was confirmed, but heritability of Dental Fear/Anxiety was estimated to be higher for girls (0.77 at time 1 and 0.55 at time 2) than for boys (0.14 and 0.0 at times 1 and 2, respectively). Heritability of Dental Fear Intensity, however, was similar for girls (0.30 and 0.40 at times 1 and 2, respectively) and boys (0.47, 0.44). Studies of the etiology of dental fear/anxiety should take genetic vulnerability into account and include molecular biology measures. Possible heritability differences between girls and boys need attention.

Place, publisher, year, edition, pages
2010. Vol. 89, no 3, p. 297-301
Keyword [en]
dental fear, anxiety, heritability
National Category
Probability Theory and Statistics
Research subject
Statistics
Identifiers
URN: urn:nbn:se:oru:diva-13019DOI: 10.1177/0022034509356918ISI: 000274431100015OAI: oai:DiVA.org:oru-13019DiVA: diva2:382779
Available from: 2011-01-03 Created: 2011-01-03 Last updated: 2017-12-11Bibliographically approved

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Bodin, Lennart

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Swedish Business School at Örebro University
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