background & objective : there are over 3 million mental retarded all over the world. so that promotion of oral and dental health of these patients is one of the major challenges in every society. this study was conducted to determine the periodontal treatment needs for these patients in tabriz institutes.   materials & methods : three hundred and eighty six mental retarded patients between 4 t...

introduction: congenital hypothyroidism is the most common cause of mental retardation in the world. the presence of hypothyroidism in fetal is lead to abnormalities in major organs, including nervous system and central skeleton. aim of this study was to investigate epidemiologic situation of neonatal hypothyroidism in ilam province between 2005 -2011. materials and methods: this was a cross-se...

Mental retardation is a general decline in intellectual function that occurs during childhood development and associated with impaired social adaptation. The purpose of this study was to determine the relationship between knowledge parenting styles parents on children mental retardation. research method descriptive cross sectional approach. data collection technique used total sampling 44 respo...

background chromosomal aberrations are one of the most common causes of mental retardation (mr). objectives in this study, in order to identify the rate of chromosomal abnormalities in idiopathic mr, 50 mr patients at a charity center in hamadan, iran, were investigated. methods fifty mentally retarded male patients without specific chromosomal abnormalities (e.g., down syndrome, fragile x synd...

background: the prevalence of intestinal parasites infection in institutions for mental retarda­tion of ur­mia city, west azerbaijan province, iran was investigated. methods: this descriptive - cross sectional study was carried out in of urmia city in 2007-2008. fecal samples of 225 less than 29 year old mentally disabled individu­als were examined using direct smear, formalin - ether concen­tr...