Perception Reform of Regenerative Medicine Research

countries, and the contents were mostly combinations or slight modifications of preceding studies. It may be time to return to the starting point and reconsider the study objective. Various studies on regeneration have been performed in the regenerative dental field, but very few results have actually been clinically applied, and many new ideas have already been disregarded. To overcome this situation, studies based on original ideas not per-formed in other countries may be initially necessary to promote regenerative dental research in Japan.