选区激光烧结技术在复杂颌面骨骨折中的临床应用研究

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1、山西医科大学硕士学位论文选区激光烧结技术在复杂颌面骨骨折中的临床应用研究姓名：李慧申请学位级别：硕士专业：口腔医学指导教师：南欣荣;令狐清溪20060518山西医科大学焉士学位论文Abstractobject：Thepurposeofthisresearchistostudytheprecisionoftheselectivelasersingteringmodel，createasystemtechniqueformaxillofacialfractureandapplythetechniquefor2patientstocompletethemeth

2、od．Materialandmethod：1．spiralCTscanstoadriedcranialbonesample，thicknessat1．Ommintervals，weregeneratedonspiralCTscanningsystem．Surfacereconstructionwasdoneforthreeimages．Thepapergivesamethodinwhichthefiltration，binarization，bone’scontourextractionandvectorizationisdoneorderly．AndC

3、TdatawasconvertedtoSTLformat．TheSTLfilewasinputtedintotherapidapparatus．The3Dstereo—temporalbonephysicalmodelwasbuiltlayerbylayer．2．HeadspiralCTscanwasgiyentoapatientwhohadmaxillofacialfracturefromanaccident．The3Dstereo·temporalbonephysicalmodelwasmanufacturedbyselectivelasersing

4、teringfromthedigitizeddata．Todesignoftheoperation，toprefabricatethetitaniumplateandtosimulatetheoperationprocess，Thentheoperationwascarriedonpatientsbythis．Evaluatetheoperationeffect．Result：1．PhysicalmodelofthecranialbonewasmeasuredatxYzdirections．Theprecisionontheoutlineofthemod

5、elwasaboutlmm，accordingtothedriedcranialbonesample．But，theerrorwasabout1．5mmonthethickandsharpparts．Inthisresearch，theexperienceandtimeconsnmingwaslowerthanbefore．2．Theselectivelasersingteringsystemtechniqueformaxillofacialfractureandapplythetechniqueforpatientstocompletethemetho

6、d．Thistechniquecanrecoverthefaceformandfimctionoftheoctlusion．Conclusion：Theselectivelasersingteringsystemtechniqueishelpfulandusefulinmaxillofacialfracture．Itmaybewidelyusedinfuture．Keywords：selectivelasersintering；reverseengineering，spiralCT，maxillofacialfracture，rigidinternalf

7、mationII山西医科大学礤士学位论文缩写CTSCTDICoMCADCAMRPRERPMSLSLoMSLAFDMSTLRIF缩略语表英文中文computerizedtomography计算机断层扫描spiralCT螺旋CTdigitalimagingandcommunicationsinmediceneCT格式computeraideddesign计算机辅助设计computeraidedmanufacturing计算机辅助制造rapidprototyping快速成型reverseengineering反求工程rapidprototypingmanufa

8、cturing快速成型制造selectivelasersingtering激光选