After complete removal of dermoid cyst, the sunken frontal bone was examined and repaired with hydroxyapatite particulate artificial bone.

• 设计发际缘或囊肿周缘的切口，完整切除皮样囊肿，并去除额骨凹陷处表面的骨膜等软组织后，以适量的羟基磷灰石微粒人工骨充填修复额骨凹陷。