The antibacterial efficacy of intracanal medicaments for 2 and 7 days, in open apex root canals contaminated with Enterococcus faecalis biofilms was compared. One hundred and thirty-eight ...standardized uniradicular human roots were inoculated with E. faecalis. Colony forming units (CFU) were recorded before and after medication. Samples were divided in two (2/7 days), and subdivided (n=8/group): triple antibiotic paste (TAP); double antibiotic paste (DAP); dental base paste (DBP), consisting of calcium hydroxide, propylene glycol and calcium carbonate; DBP+0.2% chlorhexidine (CHX); DBP+0.2% cetrimide (CTR); DBP+0.2% CHX+0.2% CTR; 2.5% sodium hypochlorite (NaOCl); and distilled water. At both periods TAP, DAP, DBP+0.2% CHX, DBP+0.2% CTR and DBP+0.2% CHX+0.2% CTR exhibited no growth (NG) of E. faecalis. Distilled water and 2.5% NaOCl obtained the lowest CFU reduction. No growth with DBP was reached only at 7 days. CHX and/or CTR pastes were as effective as DAP and TAP. A 2-day period provided an effective disinfection.
This work presents an analysis of the digitalisation of the tourism sector and evaluates the potential of this process for rural areas of the European Union (EU). To do this, we explore aspects of ...both the supply and demand of rural tourism, proposing a regression model that incorporates indicators that relate the advance of digitalisation with changes in the weight and characteristics of the sector in the regions with low population density included in the NUTS level 2. The research results indicate a positive relationship between the digitalisation of the sector and the supply of rural accommodation, as well as a positive impact on the demand for these facilities. In addition, the study has made it possible to address the potential competition between traditional accommodations and digital platforms, revealing that the greater use of digital platforms for reservations does not negatively affect hotel occupancy rates. The findings underline the importance of digitalisation in the development of rural tourism and suggest possible lines of political action for promoting digital platforms in rural areas.
In this article, we will review the main vaccination strategies currently being implemented by the health authorities and analyze the main vaccines authorized by the EMA. As practical aspects of ...vaccination, we must make it clear that until collective immunity is reached, the preventive measures being implemented will have to be kept in place. In the words of the WHO Accelerator Project, There is no time to waste in the fight against COVID-19. No one is safe until everyone is safe.
Studies aspects of the spatial ecology of introduced feral cats (Felis catus) on subantarctic Auckland Island in order to assist eradication efforts on the island. Estimates home range sizes and ...identifies core areas of activity based on movement-rooted dynamic Brownian bridge models. Uses resource selection functions with generalised linear mixed models to identify seasonal patterns of space use associated to topographic, vegetation and other landscape predictors. Quantifies cats' daily movement rates within home ranges. Source: National Library of New Zealand Te Puna Matauranga o Aotearoa, licensed by the Department of Internal Affairs for re-use under the Creative Commons Attribution 3.0 New Zealand Licence.
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