The aim of this study was to investigate how lower and higher sintering temperature deviations in dental furnaces compared to the recommended firing protocols affected certain material properties of different translucency, chemical composition and recommended sintering temperatures, under the null hypothesis that there will not be any differences in properties investigated between the studied groups.

From the Panel on Food Additives, Flavourings, Processing Aids, Materials in Contact with Food and Cosmetics of the Norwegian Scientific Committee for Food and Environment (VKM) (www.vkm.no) Publications with the Norwegian Scientific Committee for Food and Environment (VKM) 2022 VKM (2022:10) Risk-benefit assessment of sunscreenOpinion of the Panel on Food Additives, Flavourings, Processing Aids, Materials […]

Advocates of skin protection against blue light express concern about exposure to indoor lighting and electronic screens aswell as natural outdoor exposure. However, the nature of adverse effects in skin is unclear and the doses to induce effectsare unknown. We aimed to reveal whether there is a scientific basis for promoting skin protection against violet-blue […]

The use of charcoal for oral hygiene purposes has long traditions in several countries. Products containing charcoal are constantly being introduced to the market, advertising various advantageous properties, such as a whitening effect and detoxification.