【評論主題】62.關於游離牙齦移植手術(free gingival graft)的敘述,下列何者錯誤?(A)受植位(recipient site)切線大小,大約為附連牙齦(attached gingiva)期望寬
【評論內容】(C)Full thickness graft 術後收縮量約為25%