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Abstract : The work aims to compare the influence of irrigation solution MTAD when activated by laser and without activation on the root dentin micro-hardness (MH). Thirty root samples were prepared into two equal halves for dentin MH measurements. The sixty root halves were subdivided equally into three groups (twenty samples each) according to the utilized irrigation solution: MTAD activated by laser, MTAD non-activated by laser and deionized water (control group). Samples from each group were used for dentin MH determination at baseline determination and next to treating to evaluate the variation in MH. Data were analyzed by one-way ANOVA and student's t-test for MH. MTAD non-activated by laser displayed the highest significant lowering in dentin MH (P<0.5). The values of the MH of radicular dentin were higher when MTAD activated by laser used. The results revealed that MTAD activated by laser was the most efficient treatment. Further clinical tests are necessary for establishment of the efficiency, safety and biocompatibility of this treatment prior to be utilized normally in vivo.

Abstract : To compare the outcomes of management of ureteropelvic junction obstruction by open pyeloplasty using a stent or without a stent. Operating on a total of 48 patients diagnosed with UPJO randomly allocated to either group (I): patients managed with double J stent including 24 patients or group (II): the non-stented group (24 cases). Dismembered pyeloplasty was performed for the two groups. The obtained results showed that, after 1 week of the surgical procedure, group (II) had a significantly higher rate of complications as compared to group (I). However, urine analyses didn’t differ significantly among both groups. At six weeks post-operative, dysuria was the significant complaint among the group (I) compared to group (II). The percentage of patients with no complaint was higher among the group (II) compared to group (I). Post-operative hydronephrosis after six weeks was higher in the group (II) compared to group (I). GFR and split function were significantly higher among group A patients after three months postoperative in comparison to group B patients. Significant improvement was noted in patients managed with DJ stent compared with those non-stented regarding postoperative hydronephrosis, GFR, and split function when assessed by postoperative ultrasound (U/S) and DTPA, giving the high priority for the stent use in patients with UPJO.

Abstract : Milk and cheese contamination with harmful bacteria is more common particularly those made from raw or inadequately pasteurized milk, have been implicated in the transfer of many foodborne diseases to humans. Pathogens enter raw milk from a variety of sources, salmonella is the most prevalent pathogenic bacterium that causes salmonellosis in people and animals. salmonella serovars produce the illness, which can show as anything from mild food poisoning to severe enteric fever. In recent years, extensive research into the antibacterial effects of essential oils and extracts has been conducted, revealing their potency and potential to inhibit the growth of a wide range of hazardous microbes. Fifty (50) samples of raw cow milk and soft white cheese randomly collected from different local market and bulk farm between (February 2021 - May 15, 2022), from the different Area of Baghdad city. Milk and cheese are significant sources of salmonella, particularly for those who prefer raw milk. the prevalence of salmonella was (20% of 50) among different types of samples. We conclude that Myrtus communis essential oil possesses antimicrobial properties against the three tested strains: salmonella typhimurium, salmonella enteritidis and salmonella infantis. Raw milk and soft white cheese act as a wide source of contamination with pathogen, and we consider Myrtus communis oil act as antibacterial action.

Abstract : The object of this project is to determine the concentrations of “uranium” concentration in human blood in 60 selected breast cancer patients (i.e., 30 with cancer and 30 healthy) Babylon Governorate, Iraq. in different ages. By using CR-39, the results indication that the maximum “uranium” concentration in b1ood (2.235ppm) and the minimum concentration (1.034ppm) with the mean uranium concentration in b1ood of patients was (1.7901ppm), while healthy where the maximum value (1.163ppm) The minimum value (0.258ppm) with the mean value (0.7764ppm.). Finally, the uranium concentrations in all samples were below the allowed limit of ICRP and values of other studies.

Abstract : The present study was designed to detect the histopathological and physiological changes in kidney which resulted from hyperlipidemia and treatment of it by simvastatin and aqueous extracts of garlic, cinnamon and mint. Fifty four for male rats were divided randomly into nine groups, the first group (control) received diet without cholesterol while the second group administrated cholesterol for inducing hyperlipidemia induction, the third group treated with simvastatin after hyperlipidemia induction, the fourth, fifth and sixth groups treated with aqueous extracts of garlic, cinnamon and mint at 75 mg / kg/day respectivelly, while the seventh eighth and ninth groups were infected by hyperlipidemia and treated with same extracts at 50 mg/kg/ day. The treatment by simvastatin and extracts of plants was continued for one month. The results of present study showed a significant increasing (P≤0.05) in indicaters of kidney functions (urea, creatinine and uric acid) in lipidemic group while these parameters were decreased significantly (P≤0.05) in treated groups with drug and extracts f plants. The microscopic examination of kidney sections in hyperlipidemia group revealed to edema, enlargement canals of renal tubules as well as absence, contraction and death of glomeruli, while the treatment by drug and plants extracts led to return normal structure for kidney.