Pulpotomy treatment in preserving the vitality of primary tooth and prolonging its life till the permanent successor erupts. At the moment, there is no the most appropriate pulpotomy. For children, the physiological and psychological special groups, laser is a kind of newly developed method, especially on the soft tissue cutting, local hemostasis, etc.. The aim of this article is to undertake a review: the progress research on application of different kinds of laser pulpotomy in primary teeth.
