安氏Ⅱ類錯(cuò)（牙合）的髁突運(yùn)動(dòng)研究.pdf

1、青島大學(xué)碩士學(xué)位論文安氏Ⅱ類錯(cuò)（牙合）的髁突運(yùn)動(dòng)研究姓名：方建強(qiáng)申請學(xué)位級(jí)別：碩士專業(yè)：口腔臨床醫(yī)學(xué)（正畸）指導(dǎo)教師：陳杰20050521StudyofcondylemovementinAngleclasstwomalocclusion【Objeotive1Todiscovetthecondylemovementcharactersof“Angleclesstw。Ⅲalocclusionandtooffertheguidelinesfo

2、rclinicaldiagnosJsandplanortreat∞pnt【Methods】Thirtyvolunteerswerechosenforthisstudy，agedfrom18to25yearswlththemeanyearsof224AccordingtotheAngleclassificationthevolurt；eerswerPdlvidedintotwogroupsandeachgroupincluded15per

3、sons：thetrucingsofcandylemovementwererecordedbyCADIAXIII，thentostudythequalitatireandquatitativecharactersamongi11、112andthenormalgroup【Results】1)Thec。ndylarⅢovemerittracingsofAngleclasstwomalocclusionhadclassicalcharact

4、ersbutindividualizationsalsowerefound2)Duringopen／closemovement，thesagitaldistancesinrigbtcondyleandthebiggestspacedistanocsi11bothcondyleofAngleclasstwomalocclusionweresma]Ierthanthenormal，meanwhile，theverticaldistances

5、inleftcondyleof111weresmallerthanthenormal：thediffezenceisstaristicallysignificant3)Duringprotruslon／retrusionmovement，thetracingsof111werebiggerthanthenormalinthebiggestspacedistancesofbothcondylesandinleftsagitaldistan

6、ces：andthedifferencebetween111andII。isstaristicallysignifieantinleftsagitaidistances(111112)4)Duringmedlotrusion／1eftmovement111weresmallerinrightsagitaldistancesthanthenormal，butwerebiggerinrighthorizontaldistances：andt

7、heverticaldistancesofII。inrightcondyiewerebiggerthanthenormalDuringmedlotrusion／rightmovementtheleftborizontaldistanceswerebiggerlnII：thanthenormal【concIusions】1)Thee。ndytar皿。vementtracingsofAn91ectasstwomalaceIusonhadcl

8、assicalcharacters，butindividualizationsalsowerefound2)Thelengthofpr。trusion／retrusi。nwassignificantlylongerin111thanthecontralgroup3)7heverticaldimensionswerebigsignlficantlyin112whichthedistancesofcondylemovementweregre