background: cercariae (larva of helminth parasites) are covered by a thick glycocalyx coat, which serves as an osmotic pro­tection during their free existence, and contain carbohydrates conjugated as glycoproteins, glycolipids and mu­co­polysaccharides. although, limited studies have been made on life cycle of cercariae from fresh water snails, however, car­bo­hydrate studies on cercariae have ...

contact dermatitis is an inflammatory reaction of the skin and mucosa to either external or internal factors. it can be divided to two forms of irritant contact dermatitis and allergic contact dermatitis. nickel is one of the most common materials that causes allergic contact dermatitis and is widely used in orthodontic appliances. the inflammatory reaction to this metal in orthodontics is usua...

Atopic dermatitis mainly covers the period of infancy to adulthood, an important period in the development of an individual. The impairment of quality of life and the psychological wellbeing of children with atopic dermatitis have been well documented but so far no data exist about the impact of atopic dermatitis in childhood on fulfilling age-specific developmental tasks and achieving developm...

Hand dermatitis is common in workers in the horticultural industry. This study determined the prevalence of hand dermatitis in workers of Alstroemeria cultivation, investigated how many workers had been sensitized by tulipalin A (the allergen in Alstroemeria) and took stock of a wide range of determinants of hand dermatitis. The 12-month period prevalence of major hand dermatitis amounted to 29...

the prevalence of atopic disease in recent decades has been dramatically increased. it has been suggested that bcg vaccination may protect against development of allergic diseases. the purpose of this study was to identifying relation between scar of bcg vaccine and atopy. this cross-sectional study was done in 1000 children, 10-15 years of age, in zanjan city. one thousand children (501 girls ...

Cases described here discuss interdisciplinary (periodontal and behavioral) approach in the management of rare and difficult to diagnose self-inflicted injuries of gingiva such as gingivitis artefacta major. Self-inflicted injuries to the gingiva are rare and their management by periodontal therapy alone is inadequate. Proper management of this condition requires early detection and effective p...

Background & Aims: Atopic dermatitis is a common allergic disease recognized as a threat to public health. Atopic dermatitis is often observed in people with individual or family history of allergic diseases. Due to the importance of this disease and its early diagnosis, and the very limited number of studies on this topic, the current study was performed on the prevalence of atopic dermatitis ...