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Blomqvist M.,Karolinska Institutet | Ahadi S.,Karolinska Institutet | Fernell E.,Autism Center for Young Children | Fernell E.,Gothenburg University | And 2 more authors.
European Journal of Oral Sciences | Year: 2011

This study tested the hypothesis that adolescents with attention deficit hyperactivity disorder (ADHD) exhibit a higher prevalence of caries than adolescents in a control group. Thirty-two adolescents with ADHD and a control group of 55 adolescents from a population-based sample, all 17yr of age, underwent a clinical and radiographic dental examination. The mean±SD number of decayed surfaces (DS) was 2.0±2.2 in adolescents with ADHD and 0.9±1.4 in adolescents of the control group. Thirty-one per cent of the adolescents in the ADHD group had no new caries lesions (DS=0) compared with 62% in the control group. Six per cent of the adolescents in the ADHD group were caries free [decayed, missing or filled surfaces (DMFS)=0] compared with 29% in the control group. Adolescents with ADHD also had a higher percentage of gingival sites that exhibited bleeding on probing compared with the control group: 35±39% vs. 16±24% (mean±SD), respectively. At 17yr of age, adolescents with ADHD exhibited a statistically significantly higher prevalence of caries compared with an age-matched control group. Adolescents with ADHD need more support regarding oral hygiene and dietary habits. They should be followed up with shorter intervals between dental examinations to prevent caries progression during adulthood. © 2011 Eur J Oral Sci. Source


Klintwall L.,Autism Center for Young Children | Holm A.,Autism Center for Young Children | Holm A.,Karolinska University Hospital | Eriksson M.,Autism Center for Young Children | And 8 more authors.
Research in Developmental Disabilities | Year: 2011

Sensory abnormalities were assessed in a population-based group of 208 20-54-month-old children, diagnosed with autism spectrum disorder (ASD) and referred to a specialized habilitation centre for early intervention. The children were subgrouped based upon degree of autistic symptoms and cognitive level by a research team at the centre. Parents were interviewed systematically about any abnormal sensory reactions in the child. In the whole group, pain and hearing were the most commonly affected modalities. Children in the most typical autism subgroup (nuclear autism with no learning disability) had the highest number of affected modalities. The children who were classified in an " autistic features" subgroup had the lowest number of affected modalities. There were no group differences in number of affected sensory modalities between groups of different cognitive levels or level of expressive speech. The findings provide support for the notion that sensory abnormality is very common in young children with autism. This symptom has been proposed for inclusion among the diagnostic criteria for ASD in the upcoming DSM-V. © 2010 Elsevier Ltd. Source

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