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颌骨囊肿经口内施术时,传统的方法是采用切口线在龈侧的正梯形或弧形切口。较大的颌骨囊肿因龈组织深面骨壁衬托少,加之牙龈粘膜薄脆,采用上述切口时可能发生伤口裂开、致骨腔感染遗留瘘孔及伤口延期愈合。我们采用蒂在龈侧,切口线在前庭沟侧的反梯形切口。行颌骨囊肿摘除术。先切开粘膜至附着龈,分离后形成蒂在龈侧的粘膜组织瓣。再从粘膜瓣蒂的深面,作正梯形切开骨膜,形成一个蒂在唇颊沟侧的骨膜瓣,摘除囊肿后,瓦合式缝合两组织瓣。现将我们初步应用的结果报告如下。临床资料:共5例颌骨囊肿,其中上颌3例, 下颌2例。合并感染者4例,其中瘘管形成1例。囊肿大小均在3.5×3厘米以上。5例患者,均在保留病灶牙的情况下,实施该手术。
When the jaw cyst is administered orally, the traditional method is to use a regular trapezoid or arc incision in the gingival margin of the incision line. Larger jaw cysts due to the lower surface of the gingival tissue behind the bone wall, combined with gingival mucocutaneous thinning, the use of these incisions may occur wound dehiscence, resulting in bone cavity infection fistula hole and wounds delayed healing. We use pedicled gingival side, incision line in the vestibular groove side of the trapezoidal incision. Line jaw cyst excision. First cut the mucous membrane to the attachment of gingiva, separated after the formation of gingival mucosal flap. Then from the deep mucosal pedicle flap, is a trapezoidal incision of the periosteum, forming a pedicle periosteal flap lip cheek groove flap, removal of the cyst, the tile joint suture tissue flap. The results of our initial application are reported below. Clinical data: A total of 5 cases of jaw cysts, including 3 cases of maxillary, mandibular 2 cases. In 4 cases with infection, fistula formation in 1 case. Cyst size are 3.5 × 3 cm above. All 5 patients underwent surgery while retaining the affected tooth.