Influence of previous restoration of the tooth on prognosis of crowns with dowels

Due to extensive loss of tooth substance the restoration of endodontically treated tooth requires intracanal dowels to give an efficient strength for the crown. The aim of our study was to investigate whether the previous type of restoration of the tooth, i.e. composite restoration with screw post v...

Full description

Saved in:
Bibliographic Details
Published in:Journal of oral rehabilitation 2000-12, Vol.27 (12), p.1042-1046
Main Authors: Näpänkangas, R, Salonen, M A, Raustia, A M
Format: Article
Language:English
Subjects:
Adult
Aged
Composite Resins
Crowns
Dental Prosthesis Design
Dental Prosthesis Retention - instrumentation
Dental Restoration Failure
Dental Restoration, Permanent - methods
Dentistry
Female
Humans
Male
Middle Aged
Post and Core Technique
Retreatment
Retrospective Studies
Survival Analysis
Tooth, Nonvital - rehabilitation
Citations: Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Due to extensive loss of tooth substance the restoration of endodontically treated tooth requires intracanal dowels to give an efficient strength for the crown. The aim of our study was to investigate whether the previous type of restoration of the tooth, i.e. composite restoration with screw post versus one-piece dowel crown, has an effect on the prognosis of crowns with dowels. The material consisted of 111 single crowns and as a previous restoration there were 83 composite restorations with screw posts and 28 one-piece dowel crowns. The mean follow-up time was 78 months (range 6--163 months). The cumulative survival was 87% for one-piece dowel crowns and 84% for composite resins with screw posts. There were six root fractures, four losses of cement retention and one tooth extraction due to caries in crowns with previous composite resin with screw posts. In one-piece dowel crowns as a previous restoration there were two root fractures and one tooth extraction for periodontal reasons. In conclusion, it seems that the previous restoration has no marked effect on the prognosis of crowns with dowels when studying a composite resin restoration with screw post and a one-piece dowel crown.
ISSN:0305-182X
1365-2842
DOI:10.1046/j.1365-2842.2000.00606.x