资源描述：
《口腔颌面外科学（中山大学）10口腔颌面部感染课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、OralandmaxillofacialinfectionLiangYu-jieDepartmentoforalandmaxillofacialsurgeryGuanghuaschoolofstomatologyKeypointsinclinicalpracticeAnatomyClinicalmanifestationAntibioticsBasicknowledgeAnatomyImmunologySurgeryLogicinfection&inflammationinfection&contagionlocal&sy
2、stemic/genetalacute&chronicIntroduction◆Infection：thepathologicalstateresultingfromtheinvasionofthebodybypathogenicmicroorganisms◆Inflammation:thereactionofbodytotheinvasionofthesemicroorganismsandthetoxinsgeneratedbythem.Thereactioninclude:alteration,exudation,pr
3、oliferationImmuneresponseintheearlystageofinjuryGreenantibodybattlesaredantigen!◆existenceofnormalbacterialflora◆open,suitablemoistureandtemperature（oralcavityandsinus,tooth,gingival,tonsillar）Characterisitcsoforal&maxillofacialregionCharacterisitcsoforal&maxillof
4、acialregion◆fasciaspace◆abundantbloodcirculation,andvalvelessveinsCharacterisitcsoforal&maxillofacialregion◆abundantlymphadenCharacterisitcsoforal&maxillofacialregionModesofTransmissionReasonsofinfection◆Odontogenicperiapicalperiodontitis,pulpitis,periodontitis◆Ad
5、enogenouslymphadenitis,parotitis◆Traumatic◆Hemogenic◆IatrogenicinfectionWhatcausesinfectiousdiseases?MicroorganismsBacteriaVirusPrionFungusProtozoaHelminthProductsfrommicroorganismstoxinsPathogenicbacteria◆staphylococcus,streptococcus,escherichiacoli◆aerobic,anaer
6、obic,mixedinfections◆Thegeneralinfectionprocessarethemixedflora:earlyphasetheaerobicbactericconsumetheavailableoxygen,allowstheovergrowthofanaerobesPathogenicbacteriaAnaerobicAnaerobicAreallbacteriabad?No!Somebacteriaperformessentialfunctionsinthebodysuchas:skin:p
7、reventsmoreharmfulbacteriafromcolonizingintestines:helpsbodybreakdownandabsorbcertainnutrients;preventsmoreharmfulbacteriafromcausingintestinalinfectionsvagina:preventsyeastsfromovergrowingandcausinginfectionsOtherbodyareasarecolonizedandinfectionsonlyoccurinimmun
8、ocompromisedpeoplenasopharynx,oropharynx,esophagus,stomachWhydopeoplegetsick?HostFactorsagegenderethnicityimmunestatusnutritionalstatusbehaviorBalanceis
