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Social Innovation is emerging as an alternate interdisciplinary development pathway of knowledge and practice that aims to understand and address contemporary complexities and multi - dimensional social realities. BEPA (2011) defines social innovation as, 'innovations that are social in both their ends and means'. However, though Social Innovation is a widely-used term; its conceptual understanding and the specific relation to social change remains under explored. People Centered Social Innovation: Global perspectives on an Emerging Paradigm attempts to revisit and extend the existing understanding of Social Innovation in practice by focusing upon the lived realities of marginalized groups and communities. The emerging field of people-centered development is placed in dialogue with theory and concepts from the more established field of social innovation to create a new approach; one that adopts a global perspective, engaging with very different experiences of marginality across the global north and south. Theoretically, 'People Centered Social Innovation: Global Perspectives on an Emerging Paradigm' draws upon 'northern' understandings of change and improvement as well as 'southern' theory concerns for epistemological diversity and meaning making. The result is an experiment aimed at reimagining research and practice that seriously needs to center the actor in processes of social transformation.

Social Innovation is emerging as an alternate interdisciplinary development pathway of knowledge and practice that aims to understand and address contemporary complexities and multi - dimensional social realities. BEPA (2011) defines social innovation as, 'innovations that are social in both their ends and means'. However, though Social Innovation is a widely-used term; its conceptual understanding and the specific relation to social change remains under explored. People Centered Social Innovation: Global perspectives on an Emerging Paradigm attempts to revisit and extend the existing understanding of Social Innovation in practice by focusing upon the lived realities of marginalized groups and communities. The emerging field of people-centered development is placed in dialogue with theory and concepts from the more established field of social innovation to create a new approach; one that adopts a global perspective, engaging with very different experiences of marginality across the global north and south. Theoretically, 'People Centered Social Innovation: Global Perspectives on an Emerging Paradigm' draws upon 'northern' understandings of change and improvement as well as 'southern' theory concerns for epistemological diversity and meaning making. The result is an experiment aimed at reimagining research and practice that seriously needs to center the actor in processes of social transformation.

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For every clinician effect of cement thickness on crown retention is a big suspense. Dental crowns are having various roles like restoration of oral function, esthetics, occlusal equilibrium as an important aspect of dental treatment. Increased human life longevity and awareness has led to an augmentation in dental treatment needs. Crowns are prescribed regularly in day to day practice as a part of treatment plan. Majority of partially edentulous patients turning to dental clinics today exert more emphasis on fixed prosthesis as compared to removable prosthesis because of several benefits of fixed prosthesis. Retention of crown is one of the most important properties of crown for execution of proper function of crown. Die spacer application is done as one of the laboratory procedure during fabrication of crown.Die spacer thickness affects the retentive property of crown as that space is occupied by cementing material. I carried out the study to determine the effect of various die spacer thickness on crown retention. This book explains association between die spacer thickness and crown retention in a simplified manner.