نتایج جستجو برای: stone and clod
تعداد نتایج: 16833013 فیلتر نتایج به سال:
Objective: Previous studies have demonstrated that dental stone casts can be disinfected by replacing 10v% of required water with 5.25% sodium hypochlorite solution. This comparative study evaluated physical properties of dental stone models produced by replacing distilled water with sodium hypochlorite. Methods: In this in-vitro experimental study, a total of 45 dental stone models were pr...
Introduction: A study model is a precise three dimensional replica of patient’s dentition and plays an important role in treatment planning. Many digital multi-media applications have become available to the clinician and his or her staff to facilitate standard procedures in practice and management. The aim of this study is to evaluate reliability and validity of dental measurement made on dig...
We analyze a well known type of puzzle in planar geometry: given a planar shape, it is required to find a cut that divides the shape into two identical parts (up to rotation and translation). Clearly not all shapes can be so dissected and for some shapes that appear in puzzles the cutting curve is quite surprising and difficult to find. In this paper we first analyze the inverse problem of asse...
introduction here we report an unusual case of massive stone formation in augmented urinary bladder. case presentation a 25-year-old man presented with recurrent urinary tract infection ten years after augmentation cystoplasty after a complex pelvic fracture urethral distraction defect. on evaluation by ultrasonography, x-ray, and computed tomography of abdomen showed large burden of stones in ...
in spite of vast improvements in urinary stone treatment (eswl, pnl, ureteroscopy, etc.), metabolic workup concerning the existence of stone forming risk factors are of great importance and can lead to control and even prevention of urinary stone formation in these patients. in this analytical case-control study performed on 266 persons [110 normal persons (56 males and 54 females), 76 patients...
PURPOSE: In our study, we evaluated retrospectively the efficacy of extracorporeal shock wave lithotripsy (ESWL) in the treatment of ureteral stones in children. MATERIALS AND METHODS: Between the dates of 2005-2010, 200 children who were applied ESWL due to the ureteral stone in our Clinic and consisted of 103 boys and 97 girls whose mean age was 7.9 ± 3.9 were evaluated. The sizes of t...
Statement of Problem:Iranian product, Acropars autopolymerizing acrylic resin is nowadays widely used in dental prostheses. Dimensional change is a common problem among Iranian made acrylic resins in making custom trays and record bases, seems to be more than the similar foreign products. In order to achieve a technique for making a record base with minimum dimensional changes, more research is...
aim : to evaluate the role of endoscopic ultrasonography (eus) in the diagnosis of gallbladder microlithiasis, sludge, and stone in patients with clinical suspicion of cholecystitis, but with normal transabdominal ultrasonography (tus) during six months follow-up after laparosopic cholecystectomy (lct). background : endosonography has been shown to be highly sensitive in the detection of chol...
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