introduction: the efficiency of routine scaling and root planning is negatively influenced by the tooth anatomy and residual bacteria all possibly affecting the treatment outcomes in future. the present study compared the microbiologic effectiveness of the photodynamic therapy (pdt) as an adjunctive treatment modality for nonsurgical treatment in chronic periodontitis. methods: in this randomiz...

background chronic kidney disease (ckd) is a prevalent, progressive, and treatable disease. however, lack of enough data about its prevalence in iran is a major obstacle for its early detection. in order to determine the prevalence of the disease in the country, it is necessary to conduct epidemiologic studies especially on populations with ethnic diversity; hence, this study aimed at determini...

hepatitis b virus (hbv) is the most prevalent viral infection and is among the leading causes of human liver diseases. nearly 360 millions of people are world widely infected with prolonged forms of hepatitis b including active and inactive chronic forms. chronic hepatitis b (chb) is associated with cirrhosis and hepatocellular carcinoma (hcc) in patients suffering from congenital and/or acquir...

myeloproliferative neoplasms (mpns) such as polycythemia vera, essential thrombocythemia, primary myelofibrosis and chronic myeloid leukemia have too similar and accurate way to differentiate their is study of genetic disorders in these patients. philadelphia chromosome is a sure way to definitively diagnose cml. recently, jak2v617f mutation introduced as a diagnostic marker for other myeloprol...

introduction: conductive hearing loss due to chronic otitis media (com) can be treated by surgery. com, however, may be associated with functional damage to the inner ear. sensorineural hearing loss (snhl) due to com has been found to be significant by some authors, whereas it has been considered negligible by others. the present study aimed to answer the question does com cause snhl ? methods:...

results the mean age of chb patients was 38.5± 11.9 years and 55.9% of them (231 patients) were male. there were 13 cases (3.1%) with hdv infection. there was no association between positive anti-hdv serology and factors such as age, gender, carrier state, liver enzymes, and positive hepatitis b e antigen (hbeag) serology. conclusions although hdv had a low prevalence in our area, it is importa...

introduction: sinusitis is one of the most common diseases in general and in otolaryngology practice, but the optimal therapeutic options have not yet been fully developed. this manuscript will try to compare normal saline nasal douching with hypertonic saline in reducing symptoms and improving its signs. materials and methods: one hundred and fourteen patients suffering from non acute rhinosin...

background hepatitis c virus (hcv) is a major cause of chronic liver diseases among chronic renal failure (crf) patients undergoing maintenance hemodialysis. the aim of this study was to identify the hepatitis c virus infection in patients under dialysis therapy from tabriz, northwest iran and estimate the risk factors. materials and methods sera of 462 chronic renal failure patients from five ...