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Impacted tooth removal

(A) The envelope flap is the most commonly used flap for the removal of maxillary impacted teeth. (B) When soft tissue is reflected, the bone overlying the third molar is easily visualized. (C) If the tooth is deeply impacted, a releasing incision into the vestibule can be used to gain greater access. (D) When the three-cornered flap is reflected, the more apical portions become more visible