نتایج جستجو برای: facial clefts
تعداد نتایج: 62605 فیلتر نتایج به سال:
BACKGROUND There is evidence from previous studies that maternal occupational exposure to hazardous air pollutants (HAPs) is positively associated with oral clefts; however, studies evaluating the association between residential exposure to these toxicants and oral clefts are lacking. Therefore, our goal was to conduct a case-control study examining the association between estimated maternal re...
BACKGROUND It has been reported that people born with orofacial clefts do worse in life than their peers regarding a range of social markers, such as academic achievement and reproduction. We have compared otherwise healthy individuals with and without clefts, to investigate if these differences are due to the cleft or other background factors. MATERIALS AND METHODS In a retrospective nationa...
Orofacial clefts include cleft lip (CL), cleft palate (CP), and cleft lip and palate (CLP), which combined represent the largest group of craniofacial malformations in humans with an overall prevalence of one per 1,000 live births. Each of these birth defects shows strong familial aggregation, suggesting a major genetic component to their etiology. Genetic studies of orofacial clefts extend bac...
BACKGROUND Cleft palate craniofacial teams have evolved across the globe in the last 20 years in compliance with the interdisciplinary concept of management of oro-facial clefts. An interdisciplinary care allows a coordinated treatment protocol for the patient. The objective of this study was to evaluate oro-facial cleft care in Nigeria with particular emphasis on the compliance of the practiti...
background and aims: nowadays, orofacial clefts are known as the most common orofacial birth defects. several factors are responsible for problem, such as environmental factors, genetic background, nutritional deficiencies such as vitamins, zinc, iron, maternal diseases, exposure to teratogenicagents, smoking, drugs, organic solvents. the aim of this study was to evaluate the of risk factors fr...
Background Orofacial clefts are among the most common congenital craniofacial malformations and may be associated with other birth defects. However, the proportion and type of additional anomalies vary greatly between studies. This study assessed the prevalence and type of associated congenital malformations in children with orofacial clefts, who attended the largest cleft lip and palate tertia...
There is consistent evidence that the risk of neural tube defects is decreased by periconceptional supplementation with folic acid. A similar protective effect has been postulated for oral clefts. A case-control study was conducted in greater metropolitan Boston; Massachusetts; Philadelphia, Pennsylvania; and southeastern Ontario, Canada, from 1988 through 1991 to test the hypothesis that folic...
background: several studies have examined the effects of folic acid fortification on the occurrence of orofacial clefts. this study was carried out to evaluate the impact of flour fortification with folic acid on oral clefts in northern iran. methods : in this hospital based study from march 2006 to september 2009, we screened the total number of live births at all hospitals in golestan provi...
OBJECTIVE To evaluate the association between AXIN2, CDH1 and IRF6 with oral clefts in a cohort from Latvia. MATERIAL AND METHODS 283 unrelated individuals, 93 born with isolated oral clefts and 190 individuals born without any structural abnormalities were evaluated. Cleft type and dental anomalies outside the cleft area were determined by clinical examination. Four SNPs were selected for th...
OBJECTIVE Clefts of lip and palate belong to the most common birth defects worldwide. Growth factors and genes play an important role in tissue growth, differentiation and induction and upregulation of growth factors, apoptosis and matrix metalloproteinases might be involved in pathogenesis of facial clefts. The aim of this study was investigation of palate tissue in children with unilateral cl...
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