本文選題：計(jì)算機(jī)輔助設(shè)計(jì) + 下頜升支矢狀劈開術(shù)��； 參考：《北京協(xié)和醫(yī)學(xué)院》2014年碩士論文

【摘要】：背景：我國部分下頜前突患者同時伴有頦突度不足為表現(xiàn)的頦后縮畸形,單純行下頜升支矢狀劈開術(shù),術(shù)后面下部外形往往難以令人滿意。 目的：探討同期行下頜升支矢狀劈開術(shù)及頦成形手術(shù)操作的必要性及可行性,研究計(jì)算機(jī)輔助技術(shù)設(shè)計(jì)同期手術(shù)的精確性和優(yōu)越性。 方法：收集7例下頜前突伴發(fā)頦后縮畸形患者,應(yīng)用計(jì)算機(jī)輔助技術(shù)設(shè)計(jì)下頜升支矢狀劈開同期行頦成形的手術(shù)方案,并制作個性化導(dǎo)板,指導(dǎo)手術(shù)操作。通過比對術(shù)前設(shè)計(jì)和術(shù)后的頭顱三維重建模型,評估設(shè)計(jì)的精準(zhǔn)性；同時比對術(shù)后即刻與術(shù)后隨訪模型,評估療效的穩(wěn)定性。 結(jié)果：7例患者術(shù)后均取得滿意的外形改善及咬牙合關(guān)系。統(tǒng)計(jì)學(xué)分析：術(shù)前和術(shù)后即刻存在明顯統(tǒng)計(jì)學(xué)差異；術(shù)前設(shè)計(jì)和術(shù)后即刻無統(tǒng)計(jì)學(xué)差異；術(shù)后即刻與隨訪除SNB、Pog-NB余無統(tǒng)計(jì)學(xué)差異(P0.05)。 結(jié)論：計(jì)算機(jī)輔助技術(shù)能精確設(shè)計(jì)、模擬下頜升支矢狀劈開同期行頦成形,提高手術(shù)精準(zhǔn)度。 小結(jié)：本研究立足于臨床,將計(jì)算機(jī)輔助技術(shù)和下頜前突伴頦后縮畸形的治療緊密結(jié)合。在本研究中,作者利用計(jì)算機(jī)輔助技術(shù)的優(yōu)勢,精確設(shè)計(jì)下頜升支矢狀劈開同期行頦成形的手術(shù)方案,并利用計(jì)算機(jī)輔助制造技術(shù)制作相應(yīng)個性化導(dǎo)板,精準(zhǔn)指導(dǎo)手術(shù)操作,節(jié)約手術(shù)時間,降低手術(shù)風(fēng)險(xiǎn)。術(shù)后外形及功能改善良好,術(shù)后隨訪療效確切。
[Abstract]:Background: some patients with mandibular protrusion in our country are accompanied by mental retraction deformity with insufficient mental process. Sagittal splitting of the mandibular ramus is simply performed, and the shape of the lower part of the mandible is often unsatisfactory. Objective: to investigate the necessity and feasibility of simultaneous sagittal splitting of mandibular ramus and mental prosthesis, and to study the accuracy and superiority of computer aided design for simultaneous surgery. Methods: seven patients with mandibular protrusion accompanied with mental retraction deformity were collected. The surgical scheme of sagittal splitting of mandibular ramus was designed by computer aided technique, and the individualized guide plate was made to guide the operation. The accuracy of the design was evaluated by comparing the preoperative design with the post-operative 3D reconstruction model, and the stability of the therapeutic effect was evaluated by comparing the immediate postoperative and postoperative follow-up models. Results all 7 cases had satisfactory shape improvement and occlusal relationship after operation. Statistical analysis: there was significant statistical difference before and after operation; there was no statistical difference between preoperative design and postoperative immediate; and there was no statistical difference between immediate postoperative and follow-up except SNBN Pog-NB (P0.05). Conclusion: the computer aided technique can accurately design and simulate the sagittal splitting of mandibular ramus. Summary: this study is based on clinical, the treatment of mandibular protrusion with mental retraction deformity is closely combined with computer assisted technique. In this study, the author made use of the advantage of computer-aided technology to design the surgical scheme of sagittal splitting of mandibular ramus for simultaneous genioplasty, and made the corresponding individualized guide plate by using computer-aided manufacturing technology to accurately guide the operation. Save the operation time and reduce the risk of operation. The appearance and function were improved well after operation, and the follow-up effect was definite.
【學(xué)位授予單位】：北京協(xié)和醫(yī)學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：R782.6

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