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Int Endod J. 2018 Dec;51(12):1367-1388. doi: 10.1111/iej.12954. Epub 2018 Jun 11.

Regenerative endodontics: a comprehensive review.

Author information

1
Division of Endodontics, Columbia University College of Dental Medicine, New York, NY, USA.
2
Department of Endodontics, New York University College of Dentistry, New York, NY, USA.
3
The University of Queensland School of Dentistry, Brisbane, Australia.

Abstract

The European Society of Endodontology and the American Association for Endodontists have released position statements and clinical considerations for regenerative endodontics. There is increasing literature on this field since the initial reports of Iwaya et al. (Dental Traumatology, 17, 2001, 185) and Banchs & Trope (Journal of Endodontics, 30, 2004, 196). Endogenous stem cells from an induced periapical bleeding and scaffolds using blood clot, platelet rich plasma or platelet-rich fibrin have been utilized in regenerative endodontics. This approach has been described as a 'paradigm shift' and considered the first treatment option for immature teeth with pulp necrosis. There are three treatment outcomes of regenerative endodontics; (i) resolution of clinical signs and symptoms; (ii) further root maturation; and (iii) return of neurogenesis. It is known that results are variable for these objectives, and true regeneration of the pulp/dentine complex is not achieved. Repair derived primarily from the periodontal and osseous tissues has been shown histologically. It is hoped that with the concept of tissue engineering, namely stem cells, scaffolds and signalling molecules, that true pulp regeneration is an achievable goal. This review discusses current knowledge as well as future directions for regenerative endodontics. Patient-centred outcomes such as tooth discolouration and possibly more appointments with the potential for adverse effects needs to be discussed with patients and parents. Based on the classification of Cvek (Endodontics and Dental Traumatology, 8, 1992, 45), it is proposed that regenerative endodontics should be considered for teeth with incomplete root formation although teeth with near or complete root formation may be more suited for conventional endodontic therapy or MTA barrier techniques. However, much is still not known about clinical and biological aspects of regenerative endodontics.

KEYWORDS:

current perspectives; future prospectives; immature permanent teeth; regenerative endodontics; treatment outcomes

PMID:
29777616
DOI:
10.1111/iej.12954
[Indexed for MEDLINE]

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