title: Functional restoration of implants on the day of surgical placement in the fully edentulous mandible: a case series.
abstract: OBJECTIVE
  The purpose of this article is to report the clinical experience and outcome of a study of the functional rehabilitation of 16 completely edentulous mandibles with immediately loaded cross-arch screw-retained hybrid prostheses at the University of Southern California.
  
  
  METHODS
  After signing informed consent forms 16 patients (9 male, 7 female) aged 47 to 84 years (mean age, 62.6+/-11.6 years) received 90 Brånemark System Mk III dental implants (Nobel Biocare USA, Yorba Linda, CA, USA). Stability and radiographs of the dental implants were evaluated at the time of surgery, at 3 months, at 1 year, and at 3 years post loading.
  
  
  RESULTS
  Three implants failed to meet the criteria of success, bringing the cumulative success rate to 96.6%, with a 100% prosthetic success rate at 3 years. Thirty-nine (43.3%) of the dental implants placed were 15 mm in length. Seventy-seven (85.5%) of the dental implants were placed in high-density bone. At 3 years post loading, the average bone loss was -1.2+/-0.1 mm.
  
  
  CONCLUSIONS
  Within the limitations of this study, restoration of implants by unreinforced hybrid prostheses at the time of placement provided satisfactory results. The outcome was stable at 3 years post restoration. Mandibular rehabilitation by functional loading of the implants on the day of the insertion requires the comprehension and proper application of surgical and restorative principles.
authors.affiliation: Department of Advanced Periodontics, University of Southern California, Los Angeles, CA 90089-0641, USA. aalam_perio@yahoo.com
authors.forename: Alexandre-Amir
authors.initials: AA
authors.lastname: Aalam
authors.forename: Hessam
authors.initials: H
authors.lastname: Nowzari
authors.forename: Alina
authors.initials: A
authors.lastname: Krivitsky
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D016301:Alveolar Bone Loss / Q000145:classification; D015519:Bone Density / Q000502:physiology; D000044:Dental Abutments; D003758:Dental Implantation, Endosseous / Q000379:methods; D015921:Dental Implants; D019094:Dental Prosthesis, Implant-Supported; D019232:Dental Restoration Failure; D003779:Denture Design; D003825:Denture, Complete, Immediate; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007575:Jaw, Edentulous / Q000534:rehabilitation* / Q000601:surgery; D008297:Male; D008334:Mandible / Q000601:surgery*; D008875:Middle Aged; D016896:Treatment Outcome
chemical_list: D015921:Dental Implants