大四總復習-四下期末正畸8.矯治器appliances

產生或傳導矯治力以矯治錯合畸形的裝置；可產生作用力，或是咀嚼肌口的功能作用力通過矯治器使概述---概述-矯治性---機械力（固定/活動矯治器）/口 預防性---如舌屏，腭刺，唇擋保持性---功能性---(Fixed(Removable------

支Themannerinwhichthereactiontoappliedforcesisresisted(BritishStandardsInstitute,支抗AnchorageIntra-oralsources---非矯治牙，腭部，牙槽（teethunwantedtomove,palatalarea,alveolarbone）Extra-oralsources頭頸部head&neck,Intramaxillary(IntermaxillaryAnchorage(Extra-oralAnchorageReinforcingIncreasingthenumberofteethintheanchorReducethenumberofteethtobemovedinoneUseintermaxillaryUsepalatalbarlingualarch,lipIncreasepalatalcoverageReinforcetheintra-oralanchoragewithextra-oral固定矯治器（FixedAttachedtotheteethandcapableofagreaterrangeoftoothmovementsthanispossiblewitharemovableappliance.Band&buccaltube(ringsencirclingthe鎖槽/Bracket(bondontoothArchwire(tiedinto附件Auxiliarieselasticswireligatureetc.）1、方絲弓矯治技術（直絲、自鎖等34方絲弓矯治器（Edgewise弓絲的形變復位（彈性好），弓絲保持一定外形（彈性小，硬度大），用橡皮圈，彈簧，彈力線等加力(一Band&Buccalbandringsencirclingthe(double)buccaltube焊接/牽引鉤hook---(二托槽槽溝(slot)寬---0.018x0.025(inch)rectangularinshapeandinbracketslot(三)矯治弓絲(archwire)良好的彈性--不銹鋼絲/鈦鎳合金絲/（治療初期排齊要求）圓絲（Roundwire）0.012-0.020inch方絲（Rectangularwire）0.016x0.022-0.0215x0.028inchMultistrandwires(twistflex)多股絲AlloysNickeltitaniumwireβ-titanium(TMA)β鈦 (tungstenmolybdenumalloy鎢鉬合金絲CobaltchromiumStainlesssteelwireThemostpopularwireinexpensive,easilyformed,goodstiffness(四)附件AuxiliariesTractionhook牽引鉤Lingualbutton舌側扣Coilspring螺旋彈簧Wireligature結扎絲Elasticthread,ring,chain彈性線(圈Intro-oralelastic直絲弓矯治器(StraightWireBegg細絲弓矯正技術（BeggSystem）(一支抗磨牙頰面管（Band&圓形頰面管（Roundbuccaltube）扁圓管（Ovalbuccaltube）：更好控制支抗磨牙頰舌向的傾斜度；(二)托槽（BeggBrackets）槽溝（Narrowslot豎管（Verticalpinchannel）：特點：允許牙在各個方向上自由滴作傾斜運動，即三運動，還容許牙沿著弓絲滑動(三弓絲BeggA.J.WilcockAustralianWirestiffness,flexibility0.014,0.016,0.018,0.020inch(四附件栓釘（Pin）：彈簧轉矩輔弓（Torqueauxiliaries(spurs)）：矯治系統(tǒng)活動矯治器（RemovableFabricatedmainlyinacrylicandwire,andcanberemovedfromthe由基托和弓絲組成的一種糾正牙頜畸形的矯治裝置,ActivecomponenttoothmovingelementtoapplyforceforactivetoothRetentivecomponenttoholdtheappl.in固位部分Retentive卡環(huán)單臂卡環(huán)（CircumferentialClasp）：沿牙冠唇頰側牙頸區(qū)完成弧形為卡臂；改良環(huán)卡（ModifiedCircumferentialClasp）連續(xù)卡環(huán)（SouthendClasp）單曲卡環(huán)（SpringClasp）鄰間鉤（Buccalhook）：常用于第一、二前磨牙間或前磨牙與磨牙間的固位裝置，又稱頰鉤；適用唇弓（Labial基托加力部分ActiveU形簧：推磨牙向近中或遠中移動；推牙向近中，則整個簧在牙的遠中，游離端緊靠牙遠中面圈簧(HelicalFingerSpring) 唇弓Labialbows：主要用于縮小前牙弓，壓前牙腭向移動，以消除前牙間散在間隙，或減小覆蓋；ExpansionSpringElastics：用于頜內、頜間或口外牽引的矯治力，但不可直接套在牙冠上以關閉間隙，除非螺旋簧Screws：由螺絲、螺母塊、導栓和 上頜平(斜)面導板Anteriorbite斜面導板：前牙基托為斜面者Magnetic連接部分（基托（Se