Volumetric Evaluations of Full-Arch Implant Supported Restorations and Their Role on Patients' Quality of Life: A Mixed-Model Analysis

Ernesto Bruschi, Paolo De Angelis, Laura Papetti, Edoardo Rella, Giulio Gasparini, Antonio D'Addona, Paolo Francesco Manicone

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Introduction. Full-arch, implant-supported hybrid restorations, employing tilted implants, can offer an efficient way of treating edentulous patients. Several factors, such as the timing of implant placement and the inclination of the fixture, can have a detrimental effect on their stability. This retrospective study is aimed at discerning the role played by those factors. Materials and Methods. Patients treated with full-arch, implant supported restorations were selected for this study; cone-beam computed tomography (CBCT) images, taken 3 months and 3 years after delivery of the final restoration, as well as peri-implant values, were obtained and compared; bone loss was measured on four sites for each implant and then averaged. These patients were recalled, and the OHIP-5 questionnaire was administered. Results. 21 patients, with a mean age of 53 years, were included in the present analysis. 108 implants were placed, and 25 Toronto prostheses were delivered. According to a mixed-model analysis, tilted implants (0.51, p < 0.001) had a higher rate of bone loss, while implants placed in a healed ridge suffered less bone loss than immediate implants (-0.21, p < 0.001). Patient-level variables have a significant effect on this variable, as implants coming from the same subject share a similar risk of bone loss. The mean response to the self-administered OHIP-5 questionnaire was 1.53 +/- 0.29; other variables did not have a statistically significant effect on this outcome. Discussion/Conclusions. The results of the present study show that Toronto bridges prostheses are an efficient procedure for treating edentulous patients, as their oral-related quality of life is reported as satisfactory even 7 years after delivery of the restoration. Tilted and immediate implants are more at risk of bone loss. Implants coming from the same subject share a similar risk of bone loss.
Lingua originaleEnglish
pagine (da-a)3640435-N/A
RivistaBioMed Research International
Volume2022
DOI
Stato di pubblicazionePubblicato - 2022

Keywords

  • Alveolar Bone Loss
  • Dental Implantation, Endosseous
  • Dental Implants
  • Dental Restoration Failure
  • Follow-Up Studies
  • Humans
  • Immediate Dental Implant Loading
  • Mouth, Edentulous
  • Prostheses and Implants
  • Quality of Life
  • Treatment Outcome

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