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The multi-sided damages caused by the large-scale invasion of Russia has become a great challenge for the medical care system of Ukraine. This research is aimed at studying, analyzing and summarizing data from scientific publications, personal experience, and open sources of relevant information concerning changes that occur in the work within Ukraine’s healthcare system and the activity of medical staff due to the Russian invasion. Special attention has been paid to processes related to relocations of medical staff and health care establishments, field hospitals as an important tool during martial law, as well as for the different types of support provided by the international partners of Ukraine. Data concerning demographic shifts in Ukraine due to the 2022 Russia-Ukraine war are also presented. Moreover, SWOT analysis of changes in the system of health care in Ukraine during martial law has been performed.

Discoloration of teeth occurs for various reasons. Common ingredients like substances from tea and coffee, as well as antibiotics like tetracycline, or food dyes, can percolate into the teeth, and, as such, these stains may persist in the porous structure of the enamel. Smoking is also contributory to dental discoloration, with toxins of tobacco smoke accumulating in a similar way. With aging, teeth tend to be discolored with accumulation of various stains in addition to the enamel gradually eroding to expose the yellow dentin.