牙体牙髓病学的局部麻醉课件

《牙体牙髓病学的局部麻醉课件》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、LocalAnesthesiainEndodonticsMichaelMoreno,DMDSeptember15th,2009LocalAnesthesiainEndodonticsLocalAnesthesia–DefinitionAlossofsensationtopaininaspecificpartofthebodywithoutlossofconsciousness.LocalAnesthesiainEndodonticsTypesofinjectionsused:InfiltrationBlocksPDLIntrapulp

2、alIntraosseousLocalAnesthesiainEndodonticsInfiltrationAnestheticinjectedinthemucosaMakescontactwithboneMustdiffusethroughspongybonetoreachthenerveendings(corticallayermustbethin)i.e.Maxillainadults,bothjawsofchildrenLocalAnesthesiainEndodonticsRetractlipandshakeAdvance3

3、-4mm,anddeposit0.5cctostartLocalAnesthesiainEndodonticsTheMandibularNerveWhencorrectlypositioned,thelocalanestheticisdepositedabovethelingulaandthemandibularforamenInferioralveolarnerveLingualn.LocalAnesthesiainEndodonticsRetractthelipPlacethumbontheanteriorborderofther

4、amusApproachfromtheoppositeside(premolararea)LocalAnesthesiainEndodonticsAdvanceuntilyouhitboneWithdraw1mmAspirateInject¾ofcarpuleSLOWLY25gneedleisrecommendedLocalAnesthesiainEndodonticsEvenwhenproperlyadministered,itcanstillhave15-20%failurePositiveaspirationin10-15%of

5、casesLocalAnesthesiainEndodonticsGowGates–V3blockInferioralveolarnerveLingualMylohyoidMentalIncisiveAuriculotemporalBuccalLocalAnesthesiainEndodonticsTargetareaistheneckofthecondyleLocalAnesthesiainEndodonticsNeedleisplacedjustbelowtheMPcuspofthemaxillary2ndmolarInjects

6、lowlyLocalAnesthesiainEndodonticsSupplementalinjections:PDLSyringesonthemarket:PeripressandLigmajectLocalAnesthesiainEndodonticsAnesthesiaisachievedduetothesolutiondiffusingthroughthemarrowspacesinintraseptalbonePatientsmayexperiencepostopdiscomfortfor2-3daysAlthoughspe

7、cializedsyringesareavailable,thereisusuallynoneedforthem–however,significantforceisrequiredLocalAnesthesiainEndodonticsIntraosseousInjection–Stabident,X-Tip,IntraflowLocalAnesthesiainEndodonticsLocalAnesthesiainEndodonticsAdvantagesofintraosseousinjectionsMorepredictabi

8、lityofachievinganesthesiaLesspostopdiscomfortThegingivalligamentsarenotaffectedLocalAnesthesiainEndodonticsLoc