Incidência de complicações protéticas associadas a três tipos de tratamento com implantes para o edentulismo mandibular: estudo de coorte com três anos de acompanhamento
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2021-09-24
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Universidade Federal de Goiás
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Objectives: This prospective cohort evaluated the incidence of prosthetic complications, number and reasons for post-insertion visits during a three-year follow-up period of fully edentulous patients rehabilitated with complete maxillary dentures opposed to a mandibular overdenture retained by one or two implants, or a fixed hybrid prosthesis retained by four implants. Materials and Methods: Participants were individuals who participated in a randomized clinical trial comprising three treatment groups: Group I: overdenture retained by one implant (n=11); Group II: overdenture retained by 2 implants (n=13); and Group III: fixed prosthesis retained by 4 implants (n=13). A total of 37 patients were followed-up for a
period of 3 years after insertion of the implant-assisted prostheses. Data were collected prospectively concerning the occurrence of prosthetic complications, number of scheduled or unscheduled visits, clinical duration of the appointments for clinical resolution of prosthetic complications. Results: The total number of unscheduled visits per patient ranged from 0 to 7 (mean = 2.41; SD = 2.2) throughout the 3-year follow-up period. No differences were found between the three groups regarding the number of patients who required unscheduled visits. The clinical time of appointments (scheduled and unscheduled) was longer for the G-III (p <0.001) when compared to the overdenture groups. The incidences of prosthetic complications for the overdenture groups (G-I and G-II) were higher compared to G- III (p<0.001). Most of the complications that occurred in G-I and G-II were matrix replacement due to loss of retention of mandibular overdenture due to wear of the retentive inserts (38.3% of patients/year). Fracture of artificial teeth was the most common complication in G III (30.8%). On the other hand, as fixed prostheses, they spend more clinical time to solve their complications. Conclusion: All the three treatment options required maintenance recall visits to ensure their function and longevity. Overdentures had a higher incidence of prosthetic events compared to fixed mandibular prostheses. On the other hand, fixed prostheses require more clinical time to solve their complications.
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ARAÚJO, S. C. Incidência de complicações protéticas associadas a três tipos de tratamento com implantes para o edentulismo mandibular: estudo de coorte com três anos de acompanhamento. 2021. 65 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2021.