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目的 :探讨用羟基磷灰石材料 (Hydroxyapatite,HA)行眶颧再造的效果。方法 :2 2例外伤或幼年眼球摘除及放射治疗后导致的眶颧塌陷畸形 ,采用羟基磷灰石板块状多孔材料充填再造 ,术前参照健侧眶颧形状预制HA植入块 ,切口设计为颞侧发际内的隐蔽皮肤切口。HA块充填并以颞浅筋膜瓣覆盖HA块。结果 :眶颧充填再造术 2 2例 ,平均随访 15 4个月 ,未见植入物移位、变形或脱出。结论 :用HA做为骨移植物充填再造眶颧部是安全有效的
Objective: To investigate the effect of orbital zygomatic reconstruction with hydroxyapatite (HA). METHODS: Twenty-two cases of orbital zygomatic collapse and deformity caused by traumatic or juvenile enucleation and radiotherapy were filled with hydroxyapatite plate-like porous material. The incision was designed according to the contralateral orbital zygomatic preoperatively. Temporal hairline concealed skin incision. The HA block was filled and the HA block covered with temporal superficial fascia flap. Results: Two or two cases of orbital zygomatic reconstruction were performed. The mean follow-up was 15 4 months. No displacement, deformation or prolapse of implants was found. CONCLUSION: It is safe and effective to use HA as bone graft for reconstructing orbital zygoma