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BACKGROUND/AIMS Gastroesophageal reflux disease (GERD) is common in children. Recurrent exposure to gastric acid in GERD may contribute to tooth erosion. METHODS In this prospective study, 54 GERD patients qualified according to endoscopy, pH-metry, and the GERD questionnaire and 58 healthy controls qualified by the GERD questionnaire were assessed. Two(More)
BACKGROUND & OBJECTIVES Deltamethrin plays an important role in controlling malaria vectors, and is used in indoor residual spraying and manufacture of long-lasting insecticidal mosquito nets. The residual activity of deltamethrin (K-othrine WP 5%) @ 25 mg/m(2) was studied in laboratory conditions on different surfaces. METHODS The surfaces were made(More)
OBJECTIVES The aim of this study was to compare the permeability of dentin after using diamond bur and Er:YAG laser. MATERIALS AND METHODS Seventy-two recently extracted, intact, and restoration-free human permanent molars were used in this study. The samples were randomly divided into three groups of 24 each and class I cavities were prepared as follows.(More)
The linear and nonlinear oscillatory shear, extensional and combined rheology-dielectric spectroscopy of hybrid polymer nanocomposites for semiconductive applications were investigated in this study. The main focus was the influence of processing conditions on percolated poly(ethylene-butyl acrylate) (EBA) nanocomposite hybrids containing graphite(More)
in-house RF test laboratory system. The inset shows the temperature probe at the exposed end of the insulated implant. Fig.2 Numerical analysis of the SAR owing to the immersion effect of insulated, uninsulated generic implants for different penetration depths compared to a fully immersed uninsulated implant (in the middle of phantom) at different lengths.(More)
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