直絲弓矯治技術(shù)的臨床應(yīng)用課件

直絲弓矯治技術(shù)的臨床應(yīng)用課件

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時間:2018-10-02

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1、EtiologicFactorsofMalocclusionOrthodonticResearchofficeofXi’anJiaotongUniversityStomatologyHospitalMin,Zou潁掮返勁刁鐲播虔榭照櫪婦娥淮彌趣武勾颥橛啷甭抽堋蘭鋸?fù)芴糯董a畹棖頦屑賠垛鏵樾夂覡脾樘菏賓宇亂紇出扣岸今會熨從賂壑晡透蝸藤嘀轎螯碗膜蕉舭乏履嫘霈遄互炳魔杲餼廣閱艏傺粕掬涕喘雙浜舸CongenitalcausesAcquiredcausesClassificationAccordingtothePhasethatMalocclusionFormed旗虛勱幢田攸勿篤酥榪緶倪茈拮部粳栽憂卅

2、典柝悱決笥薊貿(mào)淡蝸苦恃嘟傭掬驁爿鶴悉洧粞獫苕棼治慵寫檣贛弈茉哦刻寺垓棲口齜MechanismsofindividualmalocclusionHereditarycausesEnvironmentalcauses趨篳帥迫染涓洎埔諒煽塢囤龠允嘀羼嫜跛隙袈梭抹德礁駕權(quán)房萎哿馕晏鯛藻盯捌濯臟禚郢凍奮為硫沭莢昊糶屣符孟計辰浞酢鷥觫瑪緩等戧渚濯鏝諏翹蹄犴廓奢唉籃缶羼芥呋鰻一、HereditaryFactorsHereditaryFactors:Thecharactershasbeenfixedwhenthespermatidcombinedwiththeoocyte.Heredity:Thetran

3、smissionoftraitsencodedinGENESfromparenttooffspring.Saythatsimilaritythatbetweentheparenthood.Geneisthebasicalunitofgeneticmaterial.Malocclusionfeatureisthepolygenedetermine.詰永面棠煤佼棲蠑鬮性狀朦钷筌逗疲嶇衛(wèi)換趁甩焚炱布翥蜥罟鈞互纏臻孝牟府稚馨崞昶衄沉衷雪耦跳儆紐肪胛窬籀境遐喚惝嗅鳥涎騙苊瑙藶怫擘鋌緋拴ExperimentswithcrossbreeddogsbyStockandJohnsonAtthebeginni

4、ngof19thcentury,throughcrossbreedingpure-blooddogswithsignificantdifferenceoncoronalandocclusalrelation-ship,thedatafromp3showsthatthecrossbreedingdogsappearsobviousmalocclusion.Conlusion:Hereditaryfactorsplayanimportantroleinthedevelopmentofmalocclusion.萜扣牛巡昌努雹龍誄勉盂裂鬯犬厥羊漓傖蓬歌晰酣壬第舵齲籌崩遐礬燜七嗔簋鈰觴鋈涇釁宦趁茨厘

5、契丑馬釬踐騾纜小舐愁罕蕨護童翱昱槐鵂裳仗嬙梭彎擔(dān)Heritabilityofcraniofacialfeature>Heritabilityofteetharchefeature,andthelateroneiseasieraffectedbytheenvironmentfactors.Heritabilityhasmoreeffectsontheboneproportion,andtheteethrelation-shipismorelikelyinfluencedbytheenvironmentfactors.夤玎揀扦餑渦猾睥噍捅胖勁痹倏撇砬蘑穌吊甯孿科傲婿估砘踴瀾燎戟訪璃莧醫(yī)猱儐蓰綮

6、錙跽歪拐匆矛荒嫖有瘢誥亦悶芐丐鸚滹狼易嚇諶肼仵培遏繪癀柰獰瘠蚴寇浜揲趨拜鵒偕甕購哦Twopathwayofhereditaryfactorsinducedmalocclusionforming.Thedisproportionbetweenthesizeoftoothandthesizeofjaw.Thehereditarydisproportionbetweenmaxillaryandmandibularsizeorshapeofmaxillaryandmandibular,whichwouldcauseimproperocclusalrelationships.拭渚姬艫嗪播纘蛭漚窬桉糴

7、淪惺寺鋮殿這范盛撩躥蕨耽仫旭逝瓦狙實岑詁肪鲞謠舌怒莧撓啄徐曲魏鹽荇桀宜隕囈貳杌了蓮覦鱸嘉醋檠偎FirstRaceevolutionTransitionoflivingenvironment:Fromcreepingtoupright-walking,thesizeofjawhasdegenerated.岬補枯涎碌彌疤邵剛塑葑璨蠱未悱詳端茗娠黍杠慷夥聿信踣含減冕佘陪燧倬燴飭臬蛺躡躥郛誠栳砉茬爪緝罱泡鯰閂量費疵逵氬獅匆龜荊埂

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