soil washing by mobilizing is one of in-situ techniques for soil decontamination. applying this technique to the contaminated soils could be followed by many environmental problems. therefore, it is important to study the effective factors on removal of heavy metals from different forms. in the present research, the forms of zn, pb, and cd in three contaminated soils from the zinc-lead smelting...

abstract dry socket is undoubtedly on tne most distressing post operative sequel of teeth extraction. it occurs in spite of the most careful aseptic procedures and regardless of the ability and skills of the surgeon. the purpose of this study was to determin the relative frequency of dry socket after mandibular wisdom teeth extraction and defining the risk factors corresponding to this complica...

background: dry socket is one of the most prevalent complications occurring after tooth extraction. the prevalence of such condition has been reported to be highly different, ranging from 0.5 to 68.4%. the etiology and pathogenesis of this entity are not clearly known and many related predisposing factors have been discussed. the goal of this study was to evaluate the relative prevalence of thi...

background and aims. different clinical studies have reported high survival rates in immediate implant placement in extraction sockets with periapical lesions. the aim of this study was to investigate the effect of er:yag laser irradiation on success rate of immediate implant placement in tooth extraction sockets with chronic periapical lesions. materials and methods. thirty patients requiring ...