Microguided endodontics: Accuracy evaluation for access through intraroot fibre‐post. (29th April 2021)

• Record Type: Journal Article
• Authors: Perez, Cyril; Sayeh, Amira; Etienne, Olivier; Gros, Catherine Isabelle; Mark, Ashley; Couvrechel, Cauris; Meyer, Florent
• Is Part Of: Australian endodontic journal. Volume 47:Number 3(2021)
• Page Start: 592
• Page End: 598
• Publication Date: 2021-04-29
• Subjects: endodontics -- fiberglass reinforced polymers -- guidance -- template; Endodontics -- Periodicals; Endodontics -- Periodicals; 617.6342
• DOI: 10.1111/aej.12524
• Languages: English
• ISSNs: 1329-1947

Abstract

Abstract: In this work, we intended to assess the reliability of guided endodontic technique to remove a bonded fibre‐post when there are artefacts in the cone‐beam computed tomography (CBCT) images caused by composite dental materials. We mounted natural posterior teeth on ten simulated models. Forty fibre‐post and composite‐core restorations were inserted in the teeth. We merged a pre‐operative CBCT and optical surface scan on the Blueskyplan TM software to digitally design and subsequently 3D‐printed the guides. Two operators initiated endodontic access into the fibre‐post restorations using the template to guide the drill. Post‐operative CBCT was taken and merged onto the pre‐operative plan to measure the deviations at the coronal and apical segments. The mean deviation between the planned and actual drill paths were, respectively, of 0.39 ± 0.14 mm coronally and 0.40 ± 0.19 mm apically. Microguided endodontics is a predictable and accurate method to remove fibre‐post restorations efficiently.