background: pediculosis capitis is a common parasitic infection of children, which has been neglected in many areas as well in shahriar county, tehran province. this study was conducted to determine the prevalence of pediculosis capitis among pupils in primary schools of shahriar county. m aterials and methods: this descriptive-analytical study was conducted in shahriar for the period of 2012 t...

introduction: dental trauma is a very significant problem in primary dentition. it has a physical, esthetic and psychological impact on the child and his/her parents. the purpose of this study was to assess the prevalence of traumatic inju ries to the anterior primary teeth and deter mining factors in 2-5-year-old children in rasht, 2012. materials and methods: this research was a cross-section...

radicular cysts arising from deciduous teeth are rare. this report presents a case of radicular cyst associated with a primary molar following pulp therapy and discusses the relationship between pulp therapy and the rapid growth of the cyst. the treatment consisted of enucleation of the cyst sac and extraction of the involved primary teeth and 20 months follow up of the patient. early diagnosis...

single rooted primary mandibular first molar is a rare developmental anomaly. literatures reveal that failure of invagination of hertwig's epithelial root sheath leads to this unusual root form. thorough knowledge of root canal morphology and anatomical variations of primary teeth can help a pediatric dentist in successful root canal treatment. hereby, we describe two cases of primary mandibula...

abstract background: attention deficit hyperactivity disorder (adhd) is characterized by a developmental disorder involving inappropriate poor attention span or age-inappropriate features of hyperactivity and impulsivity and/or both. methods: in order to assess the prevalence of children with adhd in tehran, a sample of 2667 children including both boys & girls aged between 7-12 years were sele...

despite the fact that hepatic involvement is frequently seen in systemic primary amyloidosis, major hepatic symptoms as primary manifestation and severe impaired liver function are rare. herein, we report a 38-year-old woman with primary hepatic amyloidosis, and severe  portal hypertension . the patient had ascites and markedly elevated alkaline phosphatase level at presentation. she had a rapi...

â  background : primary sclerosing cholangitis (psc) is a chronic cholestatic disease that results in segmental stenosis of the bile ducts, cholestasis and fibrosis. during the previous two decades, patients with steroid responsive psc have been presented in a few case reports and studies. this study aims to evaluate and compare igg4 levels in patients with ulcerative colitis (uc), with and wit...

abstract : a 28-year old patient was referred for endodontic treatment of his left mandibular second molar. the patient had no history of systemic diseases and his chief complaint was spontaneous pain in left posterior region of mandible. clinically, there was a deep caries in the left mandibular second molar. radiographic examination of this tooth revealed a long crown containing large pulp ch...

we present 16 years old girl with primary breast lymphoma involving the both breasts simultaneously and co-incidence of central nervous system (cns) involvement which originated from the breast, in addition to evidence of lymphoma in multi-organ such as skin, mediastinum and some abdominal viscera. bilaterality has been observed in some series, but reports are few and series are often very smal...