Frank Abyholm

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OBJECTIVE To explore the role of folic acid supplements, dietary folates, and multivitamins in the prevention of facial clefts. DESIGN National population based case-control study. SETTING Infants born 1996-2001 in Norway. PARTICIPANTS 377 infants with cleft lip with or without cleft palate; 196 infants with cleft palate alone; 763 controls. MAIN(More)
OBJECTIVE To estimate the relative risk of recurrence of oral cleft in first degree relatives in relation to cleft morphology. DESIGN Population based cohort study. SETTING Data from the medical birth registry of Norway linked with clinical data on virtually all cleft patients treated in Norway over a 35 year period. PARTICIPANTS 2.1 million children(More)
Cleft lip defects are usually regarded as a single entity, with the assumption that an accompanying cleft palate represents the more severe form. The authors linked data from the Medical Birth Registry of Norway with medical records from two centralized centers to provide a population-based data set. They assessed the distribution of cleft lip only and(More)
Sixty patients with unilateral cleft lip and palate were compared for lip and nose appearance. All patients were photographed from an anteroposterior and a basal view at 7-10 years of age. The photographic registration method was tested for validity and accuracy. Although the four groups of 15 patients each were treated according to different protocols,(More)
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