As an emerging branch of Endodontics, much research is carried out on regeneration and revascularization of pulp space everyday aimed to achieve success in endodontic therapy with minimal intervention and simplicity. This trend started in immature teeth as a biologically based procedure and now research is headed towards mature teeth. This book specially focuses on the research on revascularization done by peers from as early as 1920's to the recent past and gives us basic idea of clinical based regenerative endodontics and the mere possibilities.