To assess the clinical safety and performance of collagenated xenogeneic bone block (CXBB) for lateral alveolar ridge augmentation and two-stage implant placement.
Recently, a screwable, collagen-containing, equine-derived cancellous bone block (collagenated xenogeneic bone block, CXBB) was introduced as an alternative scaffold to support bone regeneration at non-self-contained lateral alveolar ridge defects.
CXBB consists of hydroxyapatite and endogenous collagen type I.
A contour augmentation in the peripheral part of CXBB was performed using a deproteinized bovine bone mineral (Geistlich Bio-Oss®, Geistlich Biomaterials, small granules) (DBBM), and each grafted sites was finally covered by a native bilayer collagen membrane applied as a double layer (Geistlich Bio-Gide®, Geistlich Biomaterials) (NBCM).
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