Abstract

Objective To evaluate the clinical results of repairing skull defects with biomimetic bone (nano-hap/collagen composites, NHACs) in children. Methods Thirteen children with skull defects were treated with NHACs in our hospital. The NHACs molded with the help of a 3D printer were used in the operations. Results All 13 operations were successful, and patients recovered without infection. Only one patient suffered from subcutaneous hydrops post-operation. The implanted NHACs remained fixed well after 1 year, and their CT HU values raised gradually. Skull shapes of children developed normally. Recovery of neurological and cognitive function was significant. Conclusions NHAC, chosen to repair skull defects in children, can coexist with normal skull and reduce the negative effects on growth and development. NHAC could be a good choice for children with skull defects.

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