1、分類號(hào)：R783.5密級(jí)：不保密UDC：617學(xué)校代碼：11065碩士學(xué)位論文成年骨性Ⅲ類下頜偏斜患者下頜骨截面形態(tài)對(duì)稱性的CBCT分析成年骨性Ⅲ類下頜偏斜患者下頜骨截面形態(tài)對(duì)稱性的CBCT分析劉靜指導(dǎo)教師劉新強(qiáng)教授宋宇副教授學(xué)科專業(yè)名稱口腔醫(yī)學(xué)（口腔正畸學(xué)）論文答辯日期2015年5月24日MphologyofmibularcrosssectioninskeletalClassⅢadultswithmibulardeviation:ac

2、onebeamcomputedtomographyanalysis.AbstractObjectiveTheobjectiveofthisstudywastocomparethemiblemphologicaldifferencesindifferentpartsofthecrosssectionattherightleftsideofpatientswithnonskewedatthedeviatedsidecontralateral

3、sideofskewedpatientssoitcanhelptoprovidereferencesfclinicalthodonticthognathicsurgery.Methods28AdultpatientswithskeletalclassⅢofnonskewedweredividedintothecontrolgroup32patientswithskeletalclassⅢofmibulardeviationwerediv

4、idedintothedeviationgroupwhohavetakenconebeamCTscanning.Theheightwidththeinclinationofthemibularcrosssectionindifferentpartsofmibularweremeasuredintwogroups.SSPSS17.0wereusedtoanalyzethedifferencesofthemeasurementdatebet

5、weenthetwogroups.ResultsInthenonskewedgrouptheresultsoftheheightwidththeinclinationofthemibularcrosssectionatthemibularsymphysismibularbodyramussectionhavenostatisticalsignificancebetweenbothsidesofthemiblesection(p0.05)

6、.Inadditiontothewidththeinclinationofthemibularcrosssectionathalfbefethemibularsymphysissectiontheothermeasurementshavestatisticalsignificance(p0.05).Conclusion1Theleftrightmibularinternalcrosssectionmphologyatnonskeweda

7、dultpatientswasalmostsymmetry.2ThepatientswithskeletalclassⅢofmibulardeviationwhosemiblecrosssectionoccuredtoasymmetrybetweenthedeviatedsidethenondeviatedside.3Theasymmetryisnotobviousathalfbefethechinbuttheasymmetryisob