Implant success rates in full-arch rehabilitations supported by upright and tilted implants: a retrospective investigation with up to five years of follow-up
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Purpose: The aim of this retrospective study was to investigate the cumulative success rate,the implant survival rate, and the occurrence of biological complications in implants supportingfull-arch immediately loaded rehabilitations supported by upright and tilted implants. Methods: The clinical records and periapical radiographs of patients who attended followupvisits were collected, and information was recorded regarding marginal bone loss resorption,the occurrence of peri-implant infectious diseases, and the implant survival rate. Implants were classified as successful or not successful according to two distinct classificationsfor implant success. Results: A total of 53 maxillary and mandibular restorations including 212 implants wereanalysed, of which 56 implants were studied over the full five-year follow-up period. Afterfive years, the cumulative success rate was 76.04% according to the Misch classificationand 56.34% according to the Albrektsson classification. The cumulative implant survivalrate was 100%, although one implant was found to be affected by peri-implantitis at thesecond follow-up visit. Conclusions: The cumulative success rate of the implants dropped over time, correspondingto the progression of marginal bone resorption. The prevalence of peri-implantitis wasvery low, and the implant survival rate was not found to be related to the cumulative successrate.
Abstract
Purpose: The aim of this retrospective study was to investigate the cumulative success rate,the implant survival rate, and the occurrence of biological complications in implants supportingfull-arch immediately loaded rehabilitations supported by upright and tilted implants. Methods: The clinical records and periapical radiographs of patients who attended followupvisits were collected, and information was recorded regarding marginal bone loss resorption,the occurrence of peri-implant infectious diseases, and the implant survival rate. Implants were classified as successful or not successful according to two distinct classificationsfor implant success. Results: A total of 53 maxillary and mandibular restorations including 212 implants wereanalysed, of which 56 implants were studied over the full five-year follow-up period. Afterfive years, the cumulative success rate was 76.04% according to the Misch classificationand 56.34% according to the Albrektsson classification. The cumulative implant survivalrate was 100%, although one implant was found to be affected by peri-implantitis at thesecond follow-up visit. Conclusions: The cumulative success rate of the implants dropped over time, correspondingto the progression of marginal bone resorption. The prevalence of peri-implantitis wasvery low, and the implant survival rate was not found to be related to the cumulative successrate.
참고문헌 (34)
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