The aim of this study was to assess qualitatively, by means of SEM images, the cleaning of the dentin walls of root canals after chemical-surgical preparation using Endo-PTC cream with 0.5% and 1% sodium hypochlorite and different final irrigating solutions.Seventy-two single-rooted human teeth Tidbit were divided into eight groups and prepared usi
Regarding the gearbox of a certain type high speed train as the research object, the simulation and analysis of the complex internal flow field during its normal operation was carried out.Three-dimensional model of the gearbox oil lubrication was built, and its internal Stationery flow field was calculated by using professional fluid simulation sof
Hydroponic farming systems play an increasingly important role in the sustainable production of nutrient-rich foods.The contamination of surfaces in hydroponic fresh produce production poses risks to the food safety of crops, potentially endangering public health and causing economic losses in the industry.While sanitizers are widely used in commer
Abstract.Gastric intestinal metaplasia (GIM) is a precancerous lesion of gastric cancer (GC) and is considered an irreversible point of progression 1/6th Loose Parts for GC.Helicobacter pylori infection can cause GIM, but its eradication still does not reverse the process.Bile reflux is also a pathogenic factor in GIM and can continuously irritate