期刊
CLINICAL ORAL IMPLANTS RESEARCH
卷 28, 期 8, 页码 954-960出版社
WILEY
DOI: 10.1111/clr.12902
关键词
alveolar ridge augmentation; clinical study; collagenated xenogeneic bone block (CXBB); histological analysis
资金
- Geistlich Pharma AG, Wolhusen, Switzerland
Objectives: To assess the clinical safety and performance of collagenated xenogeneic bone block (CXBB) for lateral alveolar ridge augmentation and two-stage implant placement. Material & Methods: In ten patients exhibiting a single-tooth gap, the surgical procedure included the preparation of mucoperiosteal flaps, a rigid fixation of CXBB (Geistlich Bio-Graft((R))) using an osteosynthesis screw, and contour augmentation. After 24 weeks of submerged healing, the primary endpoint was defined as the final ridge width sufficient to place an adequately dimensioned titanium implant at the respective sites. Secondary outcomes included, for example, the gain in ridge width ( mm). Clinical parameters (e.g., bleeding on probing - BOP, probing depth - PD, mucosal recession - MR) were assessed immediately after the cementation of the crown and at the final visit. Results: At 24 weeks, implant placement could be achieved in 8 of 10 patients exhibiting a mean gain in ridge width (mean +/- SD) of 3.88 +/- 1.75 mm. Histological analysis has pointed to a homogeneous osseous organization of CXBB. The changes of mean BOP, PD, and MR values at the final visit amounted to 16.62 +/- 32.02%, 0.04 +/- 0.21 mm, and -0.04 +/- 0.12 mm, respectively. Conclusions: CXBB may be successfully used to support lateral alveolar ridge augmentation and two-stage implant placement.
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