22.關於根尖手術使用緣下翻瓣(submarginal flap),下列敘述何者..-阿摩線上測驗
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2F @@@ 大二上 (2021/04/20)
1. This flap design (Submarginal triangular and rectangular flap) is used most successfully in the maxillary anterior teeth with crowns. 2. Prerequisites are 4.0mm of attached gingiva and good periodontal health. 3. Disadvantages are possible scarring and hemorrhaging from the cut margins to the surgical site. |