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Time to survival for the restoration of the shortened lower dental arch

Lookup NU author(s): Professor Mark Thomason, Professor Paula Moynihan, Dr Nick Steen, Dr Nick Jepson

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Abstract

Removable partial dentures may adversely affect remaining tissues and have a low prevalence of use. This randomized controlled trial was designed to compare the time to survival of cantilever resin-bonded fixed partial dentures and conventional removable partial dentures to restore shortened lower dental arches. We randomly allocated 25 male and 35 female patients (median age, 67 years) to fixed or removable partial denture groups of 30 persons, matched for age and sex. Survival of the prostheses was assessed, based on listed criteria, at each review or when problems arose. Although the removable partial denture group required rather more maintenance visits, the difference in survival rates was not statistically significant (hazard ratio = 0.59, with 95% CI 0.27, 1.29). In the absence of significant differences in five-year survival, the reported advantages of fixed partial dentures, including reduced maintenance frequency, offer positive support for the use of resin-bonded fixed partial dentures.

Publication metadata

Author(s): Thomason JM, Moynihan PJ, Steen N, Jepson NJA

Publication type: Article

Publication status: Published

Journal: Journal of Dental Research

Year: 2007

Volume: 86

Issue: 7

Pages: 646-650

ISSN (print): 0022-0345

ISSN (electronic): 1544-0591

Publisher: Sage Publications, Inc.

URL: http://dx.doi.org/10.1177/154405910708600712

DOI: 10.1177/154405910708600712

PubMed id: 17586712

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