Neurodevelopmental Outcomes at 5 Years in Children Exposed Prenatally to Maternal Dental Amalgam: The Seychelles Child Development Nutrition Study.
Department of Environmental Medicine, University of Rochester, 601 Elmwood Avenue, Box EHSC, Rochester, NY 14642, USA. Electronic address: . Neurotoxicology and Teratology
(Impact Factor: 2.76).
07/2013; 39. DOI: 10.1016/j.ntt.2013.07.003
Limited human data are available to assess the association between prenatal mercury vapor (Hg(0)) exposure from maternal dental amalgam restorations and neurodevelopment of children. We evaluated the association between maternal dental amalgam status during gestation and children's neurodevelopmental outcomes at 5 years in the Seychelles Child Development Nutrition Study (SCDNS). Maternal amalgam status was determined prospectively in a longitudinal cohort study examining the associations of prenatal exposure to nutrients and methylmercury (MeHg) with neurodevelopment. A total of 236 mother-child pairs initially enrolled in the SCDNS in 2001 were eligible to participate. Maternal amalgam status was measured as number of amalgam surfaces (the primary metric) and number of occlusal points. The neurodevelopmental assessment battery was comprised of age-appropriate tests of cognitive, language, and perceptual functions, and scholastic achievement. Linear regression analysis controlled for MeHg exposure, maternal fatty acid status, and other covariates relevant to child development. Maternal amalgam status evaluation yielded an average of 7.0 surfaces (range 0-28) and 11.0 occlusal points (range 0-40) during pregnancy. Neither the number of maternal amalgam surfaces nor occlusal points were associated with any outcome. Our findings do not provide evidence to support a relationship between prenatal exposure to Hg(0) from maternal dental amalgam and neurodevelopmental outcomes in children at 5 years of age.
Available from: Ulrich Klein
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ABSTRACT: Declarative Title
Dental professionals caring for patients with a diagnosis of autism spectrum disorder (ASD) will need to provide oral health care based on a family-centered approach that involves a comprehensive understanding of parental concerns and preferences, as well as the unique medical management, behaviors, and needs of the individual patient.
With the rising prevalence of autism spectrum disorders (ASD), oral health providers will find themselves increasingly likely to care for these patients in their daily practice. The purpose of this article is to provide a comprehensive update on the medical and oral health management of patients with autism spectrum disorders.
The authors conducted a literature review by searching for relevant articles written in English in the PubMed database pertaining to the medical and oral health management of autism, including caries status, preventive, behavioral, trauma, and restorative considerations.
A detailed family centered approach based on parental preferences and concerns, the patient’s challenging behaviors, and related comorbidities can serve to improve the treatment planning and oral health management of dental patients with ASD
Available from: Riccardo Marzola
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ABSTRACT: Learning outcomes:
The goal of this review is to summarize the evidence that prenatal and/or early postnatal exposure to certain chemicals may be associated with delays or impairments in language development. Readers will gain an understanding of the literature suggesting that early exposure to polychlorinated biphenyls (PCBs), lead, and mercury may be associated with decrements in cognitive domains that depend on language or are critical for language development. We also briefly summarize the smaller body of evidence regarding polybrominated diphenyl ether flame retardants (PBDEs) and organophosphate pesticides. Very few studies of exposure to these chemicals have used specific assessments of language development; thus, further investigation is needed before changes in clinical practice can be suggested.
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