根尖周骨吸收对电子根尖定位仪精确性的影响

,(EAL)X,27,31EALRootZXRaypex25,Raypex2574.07%,RootZX70137%,29162%,Raypex25(93155%),(P0105),(P0101)EAL,EAL;;EAL;R781134;R7811341104A1000-1492(2007)01-0100-022006-10-16:,230032:,,36,,;,,43,,,,,,E2mail:[e-mail],,(EAL),78%97137%[1-3],11.1K(VDW,Munich,Germany);RootZX(MORITA,Japan);Raypex25(VDW,Munich,Ger2many);40(MJ240X,,);XRVG(YOSHIDA,MFG,Japan;cliniview510)1.2,3437581731,X;2027,110mm,1.3,XRVG,,,1/3,3%H2O233:,,,(0102mm),(011mm,):,,EALRootZXRayPex25:15,,:,,1/3,,,,3,,010mm,,,0-015mm1b(€xs,mm)0.431.010.010.99RootZX0.280.310.430.41Raypex250.260.210.470.413F0.624.47P0.5410.015Raypex25:3P0105;RootZXRaypex25:P0105001ActaUniversitatisMedicinalisAnhui2007Feb;42(1)2b0b-0.5-0.5b-1.0b-1.011(35.5%)6(19.4%)7(22.6%)2(6.5%)5(16.1%)8(29.6%)3(11.1%)4(14.8%)4(14.8%)8(29.6%)RootZX27(87.1%)2(6.5%)1(3.2%)1(3.2%)0(0.0%)19(70.4%)5(18.5%)2(7.4%)1(3.7%)0(0.0%)Raypex2529(93.5%)2(6.5%)0(0.0%)0(0.0%)0(0.0%)20(74.1%)5(18.5%)2(7.4%)0(0.0%)0(0.0%)1.4SASb,2P0105,P01012:19/27,3/31,Raypex25b(P0105);b(P0105,1)b0-015mm,:RootZXRaypex2535148%29162%87110%70137%93155%70107%Raypex25(P0105);,RootZXRaypex25(P0101),b,b-110mm9216%(2)31916,EAL,;EAL,[1-3]RootZXEAL,Raypex25EAL,,,b-1.0mm9216%,:,RootZX6217%[4],,,,Raypex25:19/27,,[4-5],EAL,0-110mm,RootZXRaypex25,,[6-7][1]HaffnerC,FolwacznyM,GallerK,etal.Accuracyofelectronicapexlocatorsincomparisontoactuallength2aninvivostudy[J].JDent,2005,33(8):619-25.[2]ElAyoutiA,KimionisI,ChuAL,etal.Determiningtheapicalterminusofroot2endresectedteethusingthreemodernapexloca2tors:acomparativeexvivostudy[J].IntEndodJ,2005,38(11):827-33.[3]HorD,KrusyS,AttinT.Exvivocomparisonoftwoelectronica2pexlocatorswithdifferentscalesandfrequencies[J].IntEndodJ,2005,38(12):855-9.[4]GoldbergF,DesilvioAC,ManfreS,etal.Invitromeasurementaccuracyofanelectronicapexlocatorinteethwithsimulatedapicalrootresorption[J].JEndod,2002,28(6):461-3.[5],.[J].,1996,17(3):27-8.[6]WilliamsCB,JoyceAP,RobertsS.Acomparisonbetweeninvi2voradiographicworkinglengthdeterminationandmeasurementaf2terextraction[J].JEndod,2006,32(7):624-7.[7],,.[J].,2003,38(5):394-5.101ActaUniversitatisMedicinalisAnhui2007Feb;42(1)