A closing method of the anterior wall in the maxillary sinus radical operation is reported. The operation follows Coldewell-Luc method, but the window is closed by musclepedicle-bone replantation consisted of Musculus levator anguli oris and anterior wall bone. This method can defends the invasion of scar tissue into the maxillary sinus and prevents some complications. We report the detail of this surgical technique and the meaning of closing the anterior opening of the maxillary sinus using this method.
