van der Meer, WJ; Vissink, A; Ng, YL; Gulabivala, K; (2015) 3D Computer aided treatment planning in endodontics. Journal of Dentistry , 45 pp. 67-72. 10.1016/j.jdent.2015.11.007.

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Abstract

Objectives Obliteration of the root canal system due to accelerated dentinogenesis and dystrophic calcification can challenge the achievement of root canal treatment goals. This paper describes the application of 3D digital mapping technology for predictable navigation of obliterated canal systems during root canal treatment to avoid iatrogenic damage of the root. Methods Digital endodontic treatment planning for anterior teeth with severely obliterated root canal systems was accomplished with the aid of computer software, based on cone beam computer tomography (CBCT) scans and intra-oral scans of the dentition. On the basis of these scans, endodontic guides were created for the planned treatment through digital designing and rapid prototyping fabrication. Results The custom-made guides allowed for an uncomplicated and predictable canal location and management. Conclusion The method of digital designing and rapid prototyping of endodontic guides allows for reliable and predictable location of root canals of teeth with calcifically metamorphosed root canal systems. Clinical significance The endodontic directional guide facilitates difficult endodontic treatments at little additional cost.

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