1、上海交通大學碩士學位論文下頜下腺導管后端結石患者取石術后的療效評價姓名：丁曄偉申請學位級別：碩士專業(yè)：口腔臨床醫(yī)學（口腔頜面外科學）指導教師：俞創(chuàng)奇20090401上海交通大學碩士學位論文 附錄 7EVALUATING THE EFFECT OF TRANSORAL SIALOLITHECTOMY TO POST

2、ERIOR WARTHON’S DUCT CACULUS ABSTRACT Purpose:review the cases of posterior warthon’s duct caculus , to investigate the revovery of submandibular gland function following transoral sialolithectomy,evaluating the effect

3、of operation. Method:85 cases of posterior warthon’s duct caculus were taken transoral sialolithectomy and we analysed the operation record.77cases among that were followed ,which had no caculus observed under sial

4、oendoscopy. VAS(visual analogue scale) of swelling and pain was determined when the state of eating and resting.Evaluated the effect of operation by compared the VAS before and after operation.Surveyed the satisfaction o

5、f patient after operation. 19 cases were compared by type-B ultrasound wave before and after operation.Observed the distribution of ultrasound wave in glands, the expansion extent of main duct and the existence of caculu

6、s. Investigated the recovery of submandibular gland function . Result:The success rate of transoral sialolithectomy was 90.57%. The VAS of swelling and pain before operation is less than it after operation obviousely,had