Influence of remaining axial walls on of root filled teeth restored with a single crown and adhesively bonded fibre post: A systematic review and meta-analysis

AlSaleh, E., Dutta, A. ORCID: https://orcid.org/0000-0003-4488-0831, Dummer, P.M.H. ORCID: https://orcid.org/0000-0002-0726-7467, Farnell, D.J.J. ORCID: https://orcid.org/0000-0003-0662-1927 and Vianna, M.E. 2021. Influence of remaining axial walls on of root filled teeth restored with a single crown and adhesively bonded fibre post: A systematic review and meta-analysis. Journal of Dentistry 114 , 103813. 10.1016/j.jdent.2021.103813

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Abstract

Objectives To synthesise evidence on structural failures and prevalence of post-treatment endodontic disease (PTD) in anterior and posterior root filled teeth with a single crown and adhesively bonded fibre post with regards to the number of axial walls. Data An electronic search was performed, no language constraints or restriction on the year of publication were applied. Sources PubMed, Medline, Cochrane and Scopus on 13th of July 2021. Study selection Clinical studies that reported the remaining number of axial walls for permanent anterior and posterior root filled teeth (RFT) restored with single crowns and adhesively bonded fibre posts with a minimum of 1 year follow-up were included. Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines [1] were used. The number of axial walls and the success/failures were analysed as follows: fibre post and/or core decementation, post and/or core fracture and post treatment endodontic disease, and root fracture. Conclusions A total of 811 studies were identified with 5 meeting the inclusion criteria. The two randomized controlled trials included had ‘some concerns’ as determined by the Cochrane risk-of-bias 2 tool while the Newcastle-Ottawa scale found low risk of bias for the remaining three studies. The random effects model for subgroup meta-analysis revealed failures for posterior RFT increased with decreasing numbers of remaining walls. Failures for 0 remaining walls were 23% (95% CI = 10% - 36%) and for one remaining wall 15% (CI: 3% -26%), irrespective of follow-up times. Fibre post debonding and PTD increased with decreasing numbers of walls. Relative & catastrophic failure of posterior teeth restored with a fibre post and single crown after root canal treatment increased with decreasing numbers of remaining axial walls. Clinical significance This synthesis is unique as it minimizes the presence of confounding factors by reviewing evidence of failures and post-treatment endodontic disease associated with teeth restored with single crowns. Therefore, it provides valuable predictive evidence of potential coronal restoration catastrophes and post-treatment endodontic disease associated with root filled teeth.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Dentistry
Publisher:	Elsevier
ISSN:	0300-5712
Date of First Compliant Deposit:	28 March 2022
Date of Acceptance:	4 September 2021
Last Modified:	07 Jan 2024 16:07
URI:	https://orca.cardiff.ac.uk/id/eprint/145755

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