Clinical evaluation of root filled teeth restored with or without post-and-core systems in a specialist practice setting

Salvi, G E; Siegrist Guldener, B E; Amstad, T; Joss, A; Lang, N P (2007). Clinical evaluation of root filled teeth restored with or without post-and-core systems in a specialist practice setting. International endodontic journal, 40(3), pp. 209-15. Chichester: Wiley-Blackwell 10.1111/j.1365-2591.2007.01218.x

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AIM: To assess survival rates and complications of root-filled teeth restored with or without post-and-core systems over a mean observation period of >or=4 years. METHODOLOGY: A total of 325 single- and multirooted teeth in 183 subjects treated in a private practice were root filled and restored with either a cast post-and-core or with a prefabricated titanium post and composite core. Root-filled teeth without post-retained restorations served as controls. The restored teeth served as abutments for single unit metal-ceramic or composite crowns or fixed bridges. Teeth supporting cantilever bridges, overdentures or telescopic crowns were excluded. RESULTS: Seventeen teeth in 17 subjects were lost to follow-up (17/325: 5.2%). The mean observation period was 5.2 +/- 1.8 (SD) years for restorations with titanium posts, 6.2 +/- 2.0 (SD) years for cast post-and-cores and 4.4 +/- 1.7 (SD) years for teeth without posts. Overall, 54% of build-ups included the incorporation of a titanium post and 26.5% the cementation of a cast post-and-core. The remaining 19.5% of the teeth were restored without intraradicular retention. The adjusted 5-year tooth survival rate amounted to 92.5% for teeth restored with titanium posts, to 97.1% for teeth restored with cast post-and-cores and to 94.3% for teeth without post restorations, respectively. The most frequent complications included root fracture (6.2%), recurrent caries (1.9%), post-treatment periradicular disease (1.6%) and loss of retention (1.3%). CONCLUSION: Provided that high-quality root canal treatment and restorative protocols are implemented, high survival and low complication rates of single- and multirooted root-filled teeth used as abutments for fixed restorations can be expected after a mean observation period of >or=4 years.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology

UniBE Contributor:

Salvi, Giovanni and Lang, Niklaus Peter

ISSN:

0143-2885

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

04 Oct 2013 14:51

Last Modified:

25 Jan 2017 12:17

Publisher DOI:

10.1111/j.1365-2591.2007.01218.x

PubMed ID:

17305698

Web of Science ID:

000244229100007

URI:

https://boris.unibe.ch/id/eprint/21604 (FactScience: 8286)

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