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Heritability of dental fear
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نویسنده
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ray j. ,wide boman u. ,bodin l. ,berggren u. ,lichtenstein p. ,broberg a.g.
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منبع
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journal of dental research - 2010 - دوره : 89 - شماره : 3 - صفحه:297 -301
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چکیده
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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.
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کلیدواژه
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Anxiety; Dental fear; Heritability
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آدرس
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department of psychology,university of gothenburg,p.o. box 500,se405 30 gothenburg, Sweden, institute of odontology,sahlgrenska academy,university of gothenburg, Sweden, statistics and epidemiology unit,university hospital,örebro,sweden,department of statistics,örebro university, Sweden, institute of odontology,sahlgrenska academy,university of gothenburg, Sweden, department of medical epidemiology and biostatistics,karolinska institutet,stockholm, Sweden, department of psychology,university of gothenburg,p.o. box 500,se405 30 gothenburg, Sweden
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Authors
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