MMP inhibition affects pulpal and periapical inflammation, increasing the rate of spreading of necrosis in root canals and the rate of periapical lesion formation.

Relational approaches to urban development have gained ground in academic literature, highlighting diverse perspectives, such as experience, participation, aesthetics, performativity and affection. However, these practices neglect conversation as a connection between local everyday life and urban development. We argue that as art generally provokes discussion, material art acquires potential to question urban development and thus, act as a conversation mediator in public space. To test the hypothesis, we organised an explorative action research study: a data art installation within the annual 'Oulu Night of the Arts' in August 2017. The installation illustrated spatiotemporal analysis of everyday life in Åström Park, Oulu, Northern Finland. The art intervention succeeded in engaging diverse social groups online and on-site, although it proved challenging to evoke focused conversations. The induced discussions bore relevance to everyday realities in the locality. If public discourse on urban environment concentrates solely on municipal urban planning projects and visible new constructions, we risk creating a misconception of them being superior to mundane everyday life. The study suggests that even tentative information without specific objectives, when presented in a public data installation, could prove valuable for urban development discourse.

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ErratumTjä derhane L, Hotakainen T, Kinnunen S, Ahonen M, Salo T. The effect of chemical inhibition of matrix metalloproteinases on the size of experimentally induced apical periodontitis.

The past decades have witnessed a rise of culture-led urban regeneration. The successful cultural models have travelled throughout the world, and applied to cities and urban areas regardless of their size and location. Culture, ranging between high culture and contemporary creative economies, acquires potential to contribute to physical, social and economic aspects of urban regeneration. Successful examples of culture-led urban regeneration have tempted small cities to invest in traveling global cultural policies. Academic community has criticized these travelling policies for over-simplifying the abstract notion of culture, overrating the benefits of culture-led urban regeneration and ignoring local temporal specifics. This paper argues that a temporal analysis framework would enable a holistic approach to culture-led urban regeneration, and embrace the temporal uniqueness of urban contexts. This article discusses the temporal characteristics of culture-led regeneration in a provincial city context within an empirical case study analysis of Myllytulli in Oulu, Northern Finland. Myllytulli represents a district of regional cultural relevance where cultural amenities range from museums and educational facilities to creative bottom-up initiatives. This study reframes Myllytulli’s urban regeneration process using temporal conceptions of recent interdisciplinary academic discourse. The empirical data set consists of expert interviews, observation material and municipal planning documents. The results analyse the urban regeneration process within the linear temporal ideals of rational-comprehensive planning, reactive experiential urbanism and relational dimensions of time. The paper suggests time-sensitive approaches for future research and practice of urban regeneration.