经frⅲ矫治器矫治后的软硬组织变化与其相关性

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1、四川太擘华西口腔医学院硕士学位论文Skeletal，dentalandsofttissuechangesandtheratioofsofttissuetohardtissuemovementsduringtwelvemonthsoffunctionregulatortype3(FRIll)treatment．Postgraduate：Mengqiuju"illtor：DUxiAbstract1heaimsofthisstudyweretoevaluatethedental．skeletalandsofttissueeffe

2、ctsoftheFRIIIappliance，andtheratioofsofttissuetohardtissuemovementsduringtwelvemonthsoffunctionregulatortype3(FRm)treatment．nematerialofthisstudyconsistedof25patientswithfunctionalClasslIImalocclusionswhoreferredtotheDepartmentofOrthodontics，HuaxiStomatologyHospit

3、al，UniversityofSichuan．11boysand14gifts．TheywereselectedtotreatedexclusivelywiththeFRIIIapplianceforthisstudy．Themeanagesofthesubjectsinthebeginning(TO1andaftertheappliancehasbeentakenforabout12months(T12)Was9．9士1．4yearsand10．7±1．1years．Cephalogramswastakenindivid

4、uallyatTOandT12．Controlgroups：(1)Groupone：Sixty-fourcephalogramsofthepatients(31boysand33girls)beforetheirtreatmentstarted，whichhavethesimilarocclusalandskeletalcharacterswiththetreatmentgroup．Themeanagesofthesubjectswas9．8±0．3years．(2)Grouptwo：Sixty—fourcephalogr

5、amsofthepatients(32boysand32gifts)before4四川大学华西口腔医擘院项士学住论文t11eirtreatmentstarted．whichhavethesimilarocclusalandskeletalcharacterswiththetreatmentgroup．111emeanagesofthesubjectswas10．9±0．3years．After12months’treatmentofFRIII：(1)TheincreaseoftheGo-PogandCo-Golengthw

6、ererestrained．TheANBangleincreased，theSNBangledecreased．Themandibularbonemovedbackward．n圮MP—FHangleandtheOP—FHanglerotatedclockwisely．卟eeffectsofF砌ⅡtreatmentontheS-Ptm,ANS-Me,N-Me，ANS-Me／N-Me，Co-Go／N—Me，SNAangle，PP-FHangle，PP-Ⅳ田angleWaslessmarked．(2)Thenasallabium

7、angleandthePoglabiumangleincreased．TheretrusionoflowerincesorsWasfoundinthisstudy．WhereastheprotrusionoftheSnpositionWasalsopresent．Thetissueprofileofthepatientbecomemoreattractive．TheratioofA．OLPtoLL．OLPwas0．8／1．andtheratioofL1-OLPtoPm’-OLPWas0．6：1．FRIIIcanblockt

8、hegrowthofthemandibularbone．AfterthetreatmentofFRlll，themandibularhasadownwardandbackwardrotation．Thetissueprlfileofthepatientbecomemoreattractive．Thera