Cranial bone repair subsequent to decompressive craniectomy holds paramount significance,as the properties of the materials employed directly influence surgical outcomes and patient prognosis.At present,traditional repair materials are beset with limitations,and there exists an urgent clinical imperative to develop novel materials that exhibit bioactivity,mechanical compatibility,safety,and cost-effectiveness.This review com-prehensively and systematically summarizes the most recent research advancements in cranial repair materials.It meticulously compares the advantages and disadvantages of traditional materials and emerging technologies,and conducts in-depth analyses of the risk management strategies for repair materials.The objective is to furnish evidence-based decision-making support for neurosurgeons and concurrently offer development recommendations for materials scientists.

Cranial bone repair subsequent to decompressive craniectomy holds paramount significance,as the properties of the materials employed directly influence surgical outcomes and patient prognosis.At present,traditional repair materials are beset with limitations,and there exists an urgent clinical imperative to develop novel materials that exhibit bioactivity,mechanical compatibility,safety,and cost-effectiveness.This review com-prehensively and systematically summarizes the most recent research advancements in cranial repair materials.It meticulously compares the advantages and disadvantages of traditional materials and emerging technologies,and conducts in-depth analyses of the risk management strategies for repair materials.The objective is to furnish evidence-based decision-making support for neurosurgeons and concurrently offer development recommendations for materials scientists.