The relationship between wear resistance and filler size or filler loading was clarified for the universal resin composite; however, their relationship in flowable resin composites has not been clarified. The purpose of this study was to investigate the effect of filler size and filler loading on wear of experimental flowable resin composites by using a cyclic loading device. Nine experimental ...

In last week’s lecture we came across an example, from Field (2013), about the drug Viagra, which is a sexual stimulant (used to treat impotence), which is supposed to make men better lovers. Suppose we tested this belief by taking three groups of people and administering one group with a placebo (such as a sugar pill), one group with a low dose of Viagra and one with a high dose. The dependent...

[Purpose] It is believed that eccentric high-intensity exercise can decrease performance in subsequent exercise. However, with repetition, the deleterious effects can be minimized. Thus, this study evaluated the influence of repeated bouts of eccentric exercise on subsequent high-intensity aerobic performance. [Subjects and Methods] Seven healthy and sedentary male volunteers were recruited. a)...

El objetivo del estudio fue demostrar las diferencias en el Global COVID-19 Tourism Índex entre los cinco continentes. Fue un de tipo observacional, retrospectivo, transversal y analítico, correspondiente al nivel relacional. Se utilizó la ANOVA factor análisis 100 países, así como pruebas post hoc Tukey Scheffé, con apoyo software SPSS Statistics. Como resultado, se evidenció que quien realmen...

Cyber sextortion attacks are security and privacy threats delivered to victims online, distribute sexual material in order force the victim act against their will. This continues be an under-addressed concern society. study investigated social engineering phishing email design influence techniques susceptibility cyber attacks. Using a quantitative methodology, survey measured with focus on four...

PURPOSE This study investigated the influence of surface conditioning procedures and repeated firings on monoclinic content and strength of zirconia before cementation. MATERIALS AND METHODS Sintered bar-shaped zirconia specimens were subjected to no surface treatment (control), air abrasion, or grinding (n=21). Their roughness was evaluated using a profilometer, and microscope analysis was p...

background and aims: human parvovirus b19 may transmit to the fetus via the placenta during pregnancy and cause serious complications such as severe fetal anemia, non-immune hydrops fetalis, and even intrauterine fetal death. the aim of this study was to determine the seroprevalence of parvovirus b19 antibodies among young women, sanandaj, iran. materials and methods: ninety young women (15-40 ...

unstimulated whole salivary p53 was evaluated in non-involved subjects, in patients suffering from oral lichen planus (olp) and squamous cell carcinoma (scc). a total of 34 patients with olp, 24 patients suffering from oral scc and 41 non-involved participants were enrolled. the unstimulated whole saliva p53 level was assayed by elisa. data was analyzed by anova followed by the tukey post hoc t...