title: Short threaded implants with an oxidized surface to restore posterior teeth: 1- to 3-year results of a prospective study.
abstract: OBJECTIVE
  The aim of this multicenter prospective study was to provide data from a case series supporting the use of short dental implants with oxidized surfaces to treat partially edentulous patients.
  
  
  METHODS
  The implants used had an oxidized surface, a tapered design, and a short length (8.5 mm or shorter). All implants were placed in posterior edentulous areas that were affected by high bone resorption (available bone height < 10 mm). Implant success was established according to predetermined criteria.
  
  
  RESULTS
  Records were available for 107 implants used to treat 46 patients (69.2% were 7 mm long, and 30.8% were 8.5 mm long); 80.4% were placed in the posterior mandible, and 19.6% were placed in the posterior maxilla. With regard to restorations, 27.1% of implants were restored with single crowns, 16.8% with a single cantilever, and 56.1% with fixed prostheses. After a 1- to 3- year follow-up, 105 implants are still functioning; only 2 implants have been lost, for a survival rate of 98.1%. In all, 4 of the 107 implants placed failed to meet the success criteria, resulting in a success rate of 96.3%. The mean marginal bone loss was 0.6 ± 0.2 mm.
  
  
  CONCLUSIONS
  The results of this study suggest that short oxidized implants should be regarded as a possible solution for the restoration of posterior teeth in highly resorbed areas.
authors.affiliation: University of Verona, Faculty of Medicine, Dentistry and Maxillofacial Surgery Clinic, Verona, Italy. dds.univr@hotmail.it
authors.forename: Daniele
authors.initials: D
authors.lastname: De Santis
authors.forename: Alessandro
authors.initials: A
authors.lastname: Cucchi
authors.forename: Carlo
authors.initials: C
authors.lastname: Longhi
authors.forename: Bondi
authors.initials: B
authors.lastname: Vincenzo
mesh_terms: D000328:Adult; D000368:Aged; D000497:Alloys; D016301:Alveolar Bone Loss / Q000473:pathology / Q000601:surgery; D020099:Coated Materials, Biocompatible / Q000737:chemistry*; D003442:Crowns; D003722:Dental Alloys / Q000737:chemistry; D003724:Dental Arch / Q000473:pathology / Q000601:surgery; D003758:Dental Implantation, Endosseous / Q000379:methods; D015921:Dental Implants; D017267:Dental Prosthesis Design; D019094:Dental Prosthesis, Implant-Supported; D019232:Dental Restoration Failure; D003830:Denture, Partial, Fixed; D003832:Denture, Partial, Removable; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007576:Jaw, Edentulous, Partially / Q000534:rehabilitation / Q000601:surgery; D008297:Male; D008334:Mandible / Q000473:pathology / Q000601:surgery; D008437:Maxilla / Q000473:pathology / Q000601:surgery; D008875:Middle Aged; D010087:Oxides / Q000737:chemistry*; D010347:Patient Care Planning; D011446:Prospective Studies; D016019:Survival Analysis; D014025:Titanium / Q000737:chemistry; D016896:Treatment Outcome
chemical_list: D000497:Alloys; D020099:Coated Materials, Biocompatible; D003722:Dental Alloys; D015921:Dental Implants; D010087:Oxides; C031462:titanium alloy (TiAl6V4); D014025:Titanium