title: Clinical performance of cantilevered fixed dental prostheses abutments in the shortened dental arch.
abstract: OBJECTIVE
  This article is part of a randomized clinical trial on different treatments in the shortened dental arch (SDA). It focused on the abutment tooth prognosis with cantilevered fixed dental prostheses (CFDPs).
  
  
  METHODS
  Sixty-two patients with a bilaterally SDA up to the first or second premolar in the mandible or maxilla were evaluated. In 57 of 124 quadrants, second premolars were replaced by a CFDP (cantilever group). In the remaining 67 quadrants, a natural second premolar was present and thus no need for a CFDP was given (non-cantilever group). Patients were recalled annually up to 5 years.
  
  
  RESULTS
  The mean observation period was 56.3 months (min. 3.0, max. 76.2, SD 16.1). Kaplan-Meier survival rates concerning tooth loss and tooth fracture were 93.9%/94.0% in the cantilever group and 91.9%/92.8% in the non-cantilever group. Differences between both groups were not significant. The survival rate concerning loss of retention of CFDP retainers was 92.1% in the cantilever group.
  
  
  CONCLUSIONS
  After 5 years of clinical service, CFDPs for the replacement of the second premolar showed no negative impact on the abutment tooth prognosis.
  
  
  CONCLUSIONS
  Cantilevered fixed dental prostheses present a viable treatment option in the shortened dental arch without compromising the medium-term abutment tooth prognosis.
authors.affiliation: Department of Prosthetic Dentistry, Christian-Albrechts University of Kiel, Kiel, Germany. Electronic address: msasse@proth.uni-kiel.de.
authors.forename: Martin
authors.initials: M
authors.lastname: Sasse
authors.affiliation: Department of Prosthetic Dentistry, Christian-Albrechts University of Kiel, Kiel, Germany.
authors.forename: Matthias
authors.initials: M
authors.lastname: Kern
authors.affiliation: Department of Prosthetic Dentistry, UniversitätsZahnMedizin, Technische Universität Dresden, University Hospital Carl Gustav Carus, Fetscherstraße 74, 01307 Dresden, Germany.
authors.forename: Birgit
authors.initials: B
authors.lastname: Marré
authors.affiliation: Department of Prosthetic Dentistry, UniversitätsZahnMedizin, Technische Universität Dresden, University Hospital Carl Gustav Carus, Fetscherstraße 74, 01307 Dresden, Germany.
authors.forename: Michael H
authors.initials: MH
authors.lastname: Walter
mesh_terms: D000328:Adult; D000538:Aluminum Silicates / Q000737:chemistry; D001641:Bicuspid / Q000473:pathology; D003481:Cuspid / Q000473:pathology; D000044:Dental Abutments; D003724:Dental Arch / Q000473:pathology*; D003776:Dental Porcelain / Q000737:chemistry; D003779:Denture Design; D003781:Denture Retention; D003830:Denture, Partial, Fixed; D005500:Follow-Up Studies; D006047:Gold Alloys / Q000737:chemistry; D006801:Humans; D007576:Jaw, Edentulous, Partially / Q000473:pathology / Q000534:rehabilitation*; D008334:Mandible / Q000473:pathology; D008437:Maxilla / Q000473:pathology; D016876:Metal Ceramic Alloys / Q000737:chemistry; D017680:Potassium Compounds / Q000737:chemistry; D015996:Survival Rate; D014082:Tooth Fractures / Q000209:etiology; D016388:Tooth Loss / Q000209:etiology; D016896:Treatment Outcome
chemical_list: D000538:Aluminum Silicates; D006047:Gold Alloys; D016876:Metal Ceramic Alloys; D017680:Potassium Compounds; D003776:Dental Porcelain; C016447:feldspar
keywords: Cantilevered; Clinical trial; Fixed dental prostheses; Metal-ceramic; Survival