单侧后牙反（牙合）患者颞下颌关节形态结构的cbct分析

《单侧后牙反（牙合）患者颞下颌关节形态结构的cbct分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、万方数据CybennedOnDemand3Dsoftwaretoreconstructthereferenceplanes【thesagittalandaxialplane，thecorrectedcoronalandsagittalplane)．Someindexesweremeasuredontheselectedreferenceplanesandincludedtheradius(R)andcondylarlength(CL)oftheTMJontheaxialplane；thearticularhorizontalslo

2、pe(13)，thearticulareminenceheigh(AH)，thecondylarlength(CL)，thearticularfossawidth(LE)andarticularfossadepth(HI)；thecondylarmajoraxis(CM1)onthecorrectedcoronalplane；thecondylarminoraxis(CM2)andthejointspaceonthecorrectedsagittalplaneandusedthePullingeranalysistoanalyze

3、therelativepositionofthecondylarwithinthearticularfossa(LR)．Eachdatawasmeasuredthreetimesbytheexperimenterhimselfandtooktheaverage．TheallresultsofexperimentwerestatisticallyanalyzedwiththesoftwareofSPSS20．0．ThedatawereexpressedbyM+SD(X士s)，theavailablerangewas95％andthe

4、bilateralalphaWas0．05(tz=0．05)．Thelegandrightsideofthecontrolgroup，thecrossbiteandnormalsideoftheexperimentalgroupbothusedthepairedttest；thecrossbitesideoftheexperimentalgroupandthecontrolgroup，thenormalsideoftheexperimentalgroupandthecontrolgroup,thepatientsunderthea

5、geof20andpatientsovertheageof20intheexperimentalgroupusedtheindependentsamplettest．Results：1．TherewerenostatisticaldifferencesinskeletalmorphologyofTMJamongthepatientsinmanandwomanoftwogroups(P>0．05)．2．ThemorphologicalstructureandthepositionofthebilateralTMJofthecontr

6、olgrouphadnostatisticalsignificance(胗O．05)．3．Comparedthecrossbitesidewiththenormolsideintheexperimentalgroup，thereweresignificantlystatisticaldifferences(P<0．01)amongthearticularhorizontalslope，thecondylarlength(CL)andthesuperiorandposteriorspaceofthejoint；therewerest

7、atisticalsignificance(P

8、andtheanteriorjoint．E．万方数据spacehadstatisticalsignificantly(P，0．05)Comparedthenormolsideoftheexperimentalgroup谢ththecontrolgr