期刊
JOURNAL OF CLINICAL MEDICINE
卷 10, 期 21, 页码 -出版社
MDPI
DOI: 10.3390/jcm10215167
关键词
edentulous mandible; edentulous maxilla; implant-supported prosthesis; full-arch; atrophy; retrospective study
This retrospective study analyzed implant survival rates of immediate implant-supported fixed complete denture treatments based on different levels of alveolar atrophy. The study found that alveolar atrophy influenced implant survival rates in the maxilla but not in the mandible. Treatment options did not have a significant impact on survival rates at the same level of atrophy.
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 & PLUSMN; 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.
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