2D radiographs, cone-beam computed tomography and 3D CBCT-based planning software in access cavity preparation: A single blinded randomised controlled in vitro study.
3-dimensional-printed teeth
CBCT-based planning software
access cavity
endodontics
preservation of tooth structure
substance loss
Journal
Australian endodontic journal : the journal of the Australian Society of Endodontology Inc
ISSN: 1747-4477
Titre abrégé: Aust Endod J
Pays: Australia
ID NLM: 100888004
Informations de publication
Date de publication:
Aug 2022
Aug 2022
Historique:
revised:
03
08
2021
received:
17
05
2021
accepted:
26
08
2021
pubmed:
25
9
2021
medline:
20
8
2022
entrez:
24
9
2021
Statut:
ppublish
Résumé
This study compared endodontic access cavities prepared by operators of different experience levels (students, general-practitioners and specialists), guided by periapical radiographs, cone-beam computed tomography (CBCT) or 3D CBCT-based planning software, with regards to tooth substance loss and preparation errors. Operators (n = 34) prepared endodontic access cavities in 306 three-dimensionally printed copies of human teeth with standardised anatomies. Access cavities were volumetrically assessed post-operative using digital scans, while preparation errors were evaluated with CBCT. Tooth substance loss was significantly influenced by the operator's experience, being highest with students', followed by general-practitioners and specialists (P < 0.05), with no significant association with the employed imaging/planning modality. Pulp chamber floor, iatrogenic perforations and incomplete pulpal roof removal were insignificant between operator groups or imaging/planning modalities. It can be concluded that irrespective of advancement in imaging/planning modalities the practitioner's experience level remains to be the decisive factor significantly influencing tooth substance loss during endodontic access cavity preparations.
Types de publication
Journal Article
Randomized Controlled Trial
Langues
eng
Pagination
283-296Informations de copyright
© 2021 The Authors. Australian Endodontic Journal published by John Wiley & Sons Australia, Ltd on behalf of Australian Society of Endodontology Inc.
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