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Implant survival in immediately loaded full-arch rehabilitations following an anatomical classification system
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Advisor(s)
Abstract(s)
This retrospective study analyzed implant survival of immediate implant-supported fixed
complete denture (IFCD) treatment options (TOs) based on the level of alveolar atrophy (CC). Records
of 882 patients receiving a total of 6042 implants at one private referral clinic between 2004 and 2020
were considered. The mean follow-up period was 3.8 ± 2.7 years. Cumulative implant survival rates
(CSRs) were analyzed as a function of CCs and TOs according to Mantel-Haenszel and Mantel-Cox.
Hazard risk ratios for implant loss were compared using Cox regression. Confounding factors were
identified using mixed Cox regression models. The 2- and 5-year CSRs were 98.2% and 97.9%,
respectively. Maxillary 2- and 5-year CSRs were lower (97.7% and 97.3%) compared to mandibular
CSRs (99.8% and 98.6%) (p = 0.030 and 0.0020, respectively). The CC did not influence CSRs of IFCDs
in the mandible (p = 0.1483 and 0.3014, respectively) but only in the maxilla (p = 0.0147 and 0.0111),
where CSRs decreased with increasing atrophy. TOs did not statistically differ in terms of survival
rate for a given level of alveolar atrophy. The adaption of IFCD treatments to the level of atrophy and
patient-specific risk factors can result in high CSRs, even at different levels of bone atrophy.
Description
Keywords
Pedagogical Context
Citation
Caramês, J.M.M.; Marques, D.N.d.S.; Caramês, G.B.; Francisco, H.C.O.; Vieira, F.A. Implant survival in immediately loaded full-arch rehabilitations following an anatomical classification system—a retrospective study in 1200 edentulous jaws. J. Clin. Med. 2021, 10, 5167. https://doi.org/10.3390/ jcm10215167
Publisher
J. Clin. Med.