OBJECTIVE Dental caries is a common infectious disease. Streptococcus mutans is the pre-valent decay microorganism. The anti Streptococcus mutans activity of non fermented and semi-fermented tea has been shown. The aim of this study was to determine the anti Streptococcus mutans activity of Iranian green and black tea (non fermented and fermented type). MATERIALS AND METHODS The study was exp...

With increased awareness of the health benefits of the compounds in green tea, especially polyphenols, its consumption is rising. The main purpose of this study is to determine the effect of different additives on the released fluoride into tea liquor and also daily fluoride intake. The concentrations of fluoride, nitrate, sulfate, and chloride were measured in 15 different flavored green teas ...

abstract background and objectives: quality of working life (qwl) is an important issue and examination of the spects that can affect it causes promotion of individual and organizational productivity. this study was conducted to investigate correlation between health correlates and the qwl in the emloyees of the islamic azad university, lahijan branch. methods: this descriptive-correlational st...

In order to study on small ruminant rinderpest (PPR) in some border areas of Iran, totally 70 blood samples were taken via jugular vein from Kamyaran, Piranshahr, Lahijan, Ghorveh and Bilesavar district, in a tube with EDTA. The sampling was in the flocks located in Iran borders. The samples were sent near the ice container to laboratory. The blood samples included 28 goat and 42 sheep which to...

Transverse basement (TB) faults are important structures in the mountain belts or sedimentary basins influencing various aspects of them. The origin of these faults is diverse, but their effect on the shape and configuration of continental margins is characteristics. The Western Alborz range that borders the South Caspian basin to southwest is a complex range with principal faults and known ear...