Journal of dentistry · 2025
A retrospective study evaluating the success of implant-supported overdentures following fully-guided static computer assisted implant surgery.
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Kivovics Márton, Orsós Mercédesz, Birton Nikoletta Éva, Végh Dániel, Mijiritsky Eitan, Blum Igor R
Аннотация
OBJECTIVES: This retrospective cohort study aimed to determine the prosthetic success of overdentures supported by bar mesostructures on four dental implants, the survival rate of the implants placed using static Computer Assisted Implant Surgery (sCAIS), and the accuracy of implant placement.
METHODS: Fully guided surgery was performed to place implants in the edentulous jaws of patients enrolled following virtual planning. Implant-supported overdentures were manufactured using a hybrid workflow. Patients were scheduled for clinical and radiographical evaluations and oral hygiene treatment at six-monthly intervals. The accuracy of implant placement was assessed by superimposing the postoperative desktop scans and the virtual plans.
RESULTS: In total 60 implants were placed and 15 overdentures (11 maxillary and 4 mandibular) were delivered for 13 patients (10 male, 3 female; mean age: 69.3 ± 4.84 years) in this study. Patients were followed up for 23.23 ± 11.79 months. The prosthetic success, cumulative implant survival, and implant success rate were 100 %, 98.33 % and 93.33 % respectively. The incidence of periimplantitis was 3.33 % and 7.69, the incidence of periimplant mucositis was 28.33 % and 46.15 % on implant and patient level respectively. For the sCAIS procedures, the angular deviation was 3.19 ± 1.73 °, coronal global deviation was 1.51 ± 0.68 mm, and apical global deviation was 1.56 mm (median); range: 3.77 mm.
CONCLUSION: Overdentures supported by bar mesostructures on four dental implants placed using sCAIS demonstrate a high rate of prosthetic success and a clinically acceptable incidence of biological and biomechanical complications during the two-year follow-up.
CLINICAL SIGNIFICANCE: Delivering an overdenture supported by a bar mesostructure on four dental implants placed using sCAIS is a predictable treatment modality in the management of the edentulous patient.
METHODS: Fully guided surgery was performed to place implants in the edentulous jaws of patients enrolled following virtual planning. Implant-supported overdentures were manufactured using a hybrid workflow. Patients were scheduled for clinical and radiographical evaluations and oral hygiene treatment at six-monthly intervals. The accuracy of implant placement was assessed by superimposing the postoperative desktop scans and the virtual plans.
RESULTS: In total 60 implants were placed and 15 overdentures (11 maxillary and 4 mandibular) were delivered for 13 patients (10 male, 3 female; mean age: 69.3 ± 4.84 years) in this study. Patients were followed up for 23.23 ± 11.79 months. The prosthetic success, cumulative implant survival, and implant success rate were 100 %, 98.33 % and 93.33 % respectively. The incidence of periimplantitis was 3.33 % and 7.69, the incidence of periimplant mucositis was 28.33 % and 46.15 % on implant and patient level respectively. For the sCAIS procedures, the angular deviation was 3.19 ± 1.73 °, coronal global deviation was 1.51 ± 0.68 mm, and apical global deviation was 1.56 mm (median); range: 3.77 mm.
CONCLUSION: Overdentures supported by bar mesostructures on four dental implants placed using sCAIS demonstrate a high rate of prosthetic success and a clinically acceptable incidence of biological and biomechanical complications during the two-year follow-up.
CLINICAL SIGNIFICANCE: Delivering an overdenture supported by a bar mesostructure on four dental implants placed using sCAIS is a predictable treatment modality in the management of the edentulous patient.