Removal of fiber posts using conventional versus guided endodontics: a comparative study of dentin loss and complications.
Dentin loss
Endodontic retreatment
Fiber post removal
Guided endodontics
Procedural error
Journal
Clinical oral investigations
ISSN: 1436-3771
Titre abrégé: Clin Oral Investig
Pays: Germany
ID NLM: 9707115
Informations de publication
Date de publication:
04 Mar 2024
04 Mar 2024
Historique:
received:
04
01
2024
accepted:
24
02
2024
medline:
6
3
2024
pubmed:
5
3
2024
entrez:
4
3
2024
Statut:
epublish
Résumé
To compare the efficacy of fiber post removal using conventional (CONV) versus guided endodontics (GE) in terms of dentin loss, residual resin material, procedural errors, and working time in vitro. Ninety human central incisors were root-filled and scanned by micro-computed tomography (CT), then restored with fiber posts and composite. Twenty-four sets of teeth with up to four human maxillary central incisors were fabricated and divided into three groups: conventional post removal by a general dentist (CG) or endodontology specialist (CS) and guided endodontics (GE) by a general dentist, yielding 30 teeth per operator and group. After treatment, the prepared access cavities were volumetrically assessed by micro-CT. Statistical significance was evaluated by one-way analysis of variance followed by post hoc comparisons with Tukey's HSD test and Pearson's chi-squared test for independence. Both CONV and GE resulted in dentin loss and residual resin material. CS resulted in more dentin loss and less residual resin material than CG and GE (p < .05). All groups had some deviations from the original root canal but no perforations. The shortest working time was observed in the GE group. Compared to the conventional freehand technique, GE resulted in significantly less radicular dentin loss, a few deviations but no perforations. Guided endodontics can improve the speed and safety of fiber post removal without root perforation.
Identifiants
pubmed: 38438798
doi: 10.1007/s00784-024-05577-7
pii: 10.1007/s00784-024-05577-7
pmc: PMC10912265
doi:
Types de publication
Journal Article
Langues
eng
Pagination
192Informations de copyright
© 2024. The Author(s).
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