Introduction Regenerating a tooth completely in human oral cavity is not achieved by current studies yet. Here, we have conceived a man-induced method to construct a teeth germ which might be used to regenerate a tooth in vivo. This idea was generated by traits of the development of the compound odontoma, a benign tumour of tooth malformation. This is a kind of developmental tooth malformation,...

Islamic finance is a prohibitions-driven industry, which aims primarily to circumvent the canonical Islamic prohibitions of riba and gharar. The concepts of riba and gharar may best be understood as unbundled sales of credit and risk, respectively. An obvious solution is to adopt mutual structures for financial intermediaries of credit (e.g. banks) and risk (e.g. insurance companies), as early ...