13 sides (61.9%) by classical Caldwell-Luc operation, 27 sides (87.1%) by modified maxillary sinusotomy. The total cure rates was 76.9% (40 sides) by traditional maxillary sinusotomy.

• 传统上颌窦根治术总的治愈率76.；9%25(40/52)；其中经典术式为61