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Serious minded writers have always found themselves questioning what is usually taken for granted, and have generally found the task exciting, though vastly under-appreciated. Bertrand Russell found it hard to focus on mathematics and logic by remaining indifferent to social and political discontent around him. His works of prose stand out as a monumental contribution to political discourse and human development. Unlike most of the western philosophers, he questions the basis of western political thought. He discourages aggression, hostility, political and economic exploitation, and many...

The primary goal of a root canal treatment in deciduous teeth is to eliminate infection and to retain the tooth in a functional state until it gets normally exfoliated. The ideal root canal filling material for primary teeth should resorb at a similar rate as the roots of primary tooth, be harmless to the periapical tissue and to the permanent tooth germ, resorb readily if pushed beyond the apex, be antiseptic, radio-opaque, should not shrink, easy to fill and can be removed easily if required at any stage, should adhere to the walls and should not discolor the tooth. In order to achieve...