根尖周病PPT文档格式.ppt

根尖周病PPT文档格式.ppt

《根尖周病PPT文档格式.ppt》由会员分享，可在线阅读，更多相关《根尖周病PPT文档格式.ppt（60页珍藏版）》请在冰豆网上搜索。

DiseaseofPeriapicalTissues,根尖周病,Definition,periodontalmembrane牙周膜cementum牙骨质alveolarbone牙槽骨,pulptissues牙髓apicalforamen根尖孔periapicaltissues根尖周组织,Bloodvesselsnervelymphaticvesselspulpitis牙髓炎,infection,injurydeepperiodontalpocket深牙周袋,Classification,periapicalperiodontitis根尖周炎acute急性chronic慢性chronicperiapicalabscess慢性根尖脓肿periapicalgranuloma根尖肉芽肿periapicalcyst根尖囊肿,Periapicalperiodontitis,inflammatorylesion炎性病变inperiodontalmembrane牙周膜ofrootapex根尖resorptionofcementumandalveolarbone,Periapicalperiodontitis,Etiologybacterialeffects感染因素mostofthemderivedfrompulpitis牙髓炎adefensivereaction,cariesPulpitis（Acuteorchronic）pulpalNecrosis牙髓坏死Periapicalinflammation炎症,Periapicalperiodontitis,Etiologybacterialeffects感染因素derivedfromsevereperiodontitis重度牙周炎deepperiodontalpocket牙周袋almostreachtotherootapexperiapicaldiseases,Periapicalperiodontitis,EtiologyMechanicaldamage机械损伤traumaticaccidents意外损伤occlusaltrauma咬合创伤iatrogenicdamage医源性损伤fromdentalproceduresForexample:

@#@intherootcanaltherapy根管治疗theinstrumentorthefillingmaterialswereextrudedtheapicalforamen,EtiologyChemicalirritation化学刺激Mostofthemareiatrogenicarisefromtheprocedureofrootcanaltherapy根管治疗Forexample:

@#@irritativefillingmaterial,Periapicalperiodontitis,Periapicalperiodontitis,Classificationaccordingtothedurationofdisease病程acuteperiapicalperiodontitis急性根尖周炎chronicperiapicalperiodontitis慢性根尖周炎,Acuteperiapicalperiodontitis,acuteinflammationaroundapexsecondarytothecariesandpulpitispulpalNecrosisdecomposedproductsofpulpandthetoxininflammationofperiapicaltissueassociationwithanonvitaltooth死髓牙,bacteria,Acuteperiapicalperiodontitis,secondarytotrauma外伤highocclusalcontacts咬合创伤wedgingbyaforeignobject异物嵌塞avitaltooth活髓牙anacuteexacerbation急性发作ofchronicperiapicalperiodontitis,Acuteperiapicalperiodontitis,Classificationacuteserousperiapicalperiodontitis急性浆液性根尖周炎acutepurulent（suppurative）periapicalperiodontitis急性化脓性根尖周炎acuteperiapicalabscessoracutealveolarabscess急性根尖脓肿或急性牙槽脓肿,Acuteperiapicalperiodontitis,Clinicalfeatures临床表现symptomaticastheinflamedexudates炎性渗出物accumulateswithintheperiapicaltissuesinitialstagetendernessoftheaffectedtooth患牙疼痛relievedbydirectapplicationofpressure咬合压力下缓解serasqueezedoutofthedilation扩张bloodvessels,Acuteperiapicalperiodontitis,ClinicalfeaturesProgressionpainmoreintenseextremesensitivitytochewing咀嚼theaffectedtoothextrudefromitssocket患牙伸长thepainisspontaneous自发,persistent持续butiscircumscribed局限indicatetheaffectedtoothacuteserousinflammatorystage,Acuteperiapicalperiodontitis,Clinicalfeaturesacuteserousinflammatorystageacuteserousperiapicalperiodontitispurulentstageacutepurulentperiapicalperiodontitis,short,Acuteperiapicalperiodontitis,ClinicalfeaturesTheneutrophilsdegenerateanddieandformthepuspusaccumulateandformtheabscess脓肿（acutepurulentperiapicalperiodontitisoracutealveolarabscess）thepainviolent剧烈andpersistent持续extremesensitivitytopercussion叩诊extrusionofthetoothevidentlyswellingofthetissues,中性白细胞,脓液,Acuteperiapicalperiodontitis,Clinicalfeaturesheadache,malaise,feverandchillsmaybepresentspreadalongthepathofleastresistancethroughthemedullaryspacesosteomyelitis骨髓腔骨髓炎perforatethecortexcellulites骨皮质蜂窝织炎,Acuteperiapicalperiodontitis,Clinicalfeaturesabscessinthesofttissuecelluliteschannelizethroughtheoverlyingsofttissuechannelizethroughtheskinintraoralsinus口内窦道cutaneoussinus皮肤窦道drainthepurulentmaterial,Acuteperiapicalperiodontitis,RadiographicfeaturesX线表现athickeningoftheapicalperiodontalligament牙周韧带noappreciablealternations,Acuteperiapicalperiodontitis,Histopathologicfeatures组织学表现acentralareaofdisintegratingneutrophilssurroundedbyleukocytes白细胞andlymphocytesdilatationofthebloodvesselsintheadjacenttissuesmarrowspacesshowsaninflammatorycellinfiltratearoundtheareaofsuppurationcontainsaserousexudates浆液渗出,Chronicperiapicalperiodontitis,nosymptommildpainorunfitwhenbitingorchewingonsolidfoodacuteexacerbation急性发作whentheresistanceofimmunitysystemdecreasingimportanthistopathologicfeaturetheformationoftheinflamedgranulationtissue炎性肉芽组织theabsorptionofthealveolarbone牙槽骨吸收,Chronicperiapicalperiodontitis,Classificationchronicperiapicalabscess慢性根尖脓肿periapicalgranuloma根尖肉芽肿,Chronicperiapicalabscess,chronicsuppurativeperiapicalperiodontitis慢性化脓性根尖周炎chronicalveolarabscess慢性牙槽脓肿chronicsuppurativeinflammationofperiapicaltissuesresultsfromacuteperiapicalabscessorperiapicalgranuloma,Chronicperiapicalabscess,Clinicalfeaturesasymptomaticsensitivitytopercussionmildpainoccasionedwhenbitingorchewingonsolidfoodformationoffistulous瘘管形成ifthelesionundergoesanacuteexacerbationtwotypesnonvitaltooth,Chr