期刊
APPLICATIONS OF MATHEMATICS IN ENGINEERING AND ECONOMICS (AMEE'14)
卷 1631, 期 -, 页码 58-62出版社
AMER INST PHYSICS
DOI: 10.1063/1.4902458
关键词
Tilted implants; bone density; grafted maxillary sinuses; logistic regression; prognostic factors
The aim of this study is to define the prognostic factors for implant survival of immediately loaded tilted implants in the edentulous maxillae placed into Bio-Oss grafted sinuses. A total of 44 tilted Bredent implants in 24 grafted sinuses were inserted 9 to 10 months after the augmentation procedures. Loading was applied within 12 hours of implant surgery. Patients were scheduled for follow-up at 12 months. Marginal bone loss, implant plaque level, pocket probing depth and bleeding scores, CBCT measurements of mineral density (coDiagnostiX (TM)) were assessed and recorded. Four implants failed (survival rate of 90,91%). The average marginal loss is 0,43 mm (SD 0,42). The mean bone density of the grafts is 964 (SD 120,36) HU, ranging between min 477 and max 1068 HU. All implant failures occurred in lower mineral density grafts. Statistical analyses strongly support correlation between bone density at the grafted sites and implant survival.
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