Abstract Immature permanent teeth with developing, root apices with dental pulp infections resulting from caries or trauma represent a formidable clinical challenge. Biologically based principles of regenerative endodontic procedures in the treatment of immature, necrotic teeth have replaced the traditional ‘apexification’ procedures. Revascularisation by induction of apical bleeding is a potential source of stem cells and it creates a blood clot that would act as a biological scaffold for the recruited stem cells which in turn aids in the continued root maturation. The purpose of this case series was to investigate the outcome of the pulpal revascularisation procedure on five immature permanent teeth with or without apical periodontitis. Induction of blood clot was the technique selected for root closure if the tooth was asymptomatic. Apexification was initiated if the tooth remains symptomatic. Out of the five teeth selected for the study, revascularisation was successful, and continued root-end closure was obtained in four teeth. Revascularisation technique in immature permanent teeth offers clinicians’ great potential to avoid the need for traditional apexification procedures.