Dental Ergonomics
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Transcript of Dental Ergonomics
MaxillaryLeftPosteriorSegment
BuccalApproach
• Directvision • Canbeimprovedby
askingpatienttocloseslightly • Coronoidprocess
movesposteriorly • Moreslackin
cheek • Patientinsupineposition • Operatorin10oclock
position • Moveheadtoward
operatorandslightlyelevatethechin
• Evacuatortipnearocclusalsurfaceoftoothbeingtreated
OcclusalApproach
• Indirectvision • Mirrorplacedasfarfrom
theoperativesiteaspracticalandgiveslateralangleviewofhandpiece
• Patientinsupineposition • Operatorworkat11o
clockposition • Patientheadturned
slightlytowardoperator • Usetipofevacuatorto
retractthecheekandtipopeningjustdistaltotoothbeingtreated
• Evacuatortipplacedbehindmirror(closertonose)
• Assistantcanpreventmirrorfrombecomingwetbypassingoverstreamofair
• Fingerrestonocclusalsurfaceofrightmaxillaryincisororbiscupidteeth
•
Lingualapproach
• Directvision • Mouthmirrortoobserve
detail • Patientinsupineposition • Operatorworkin9o
clockposition • Patientheadturned
towardassistant • Fingerrestontopof
operatorsleftindexfingerwhichisplacedovertheocclusalsurfacesofmaxillaryrightbiscuspidteeth.
Alsoretractsrightcheekforincreasedvisibility
• Leftcheekisretractedusingtheevacuatortip,whichisplacedonbuccalsurfaceoftoothbeingtreated.Openingoftipdirectedtowardshandpiece
MaxillaryAnteriorSegment
LabialApproach
• Directvision • Patientsupineworkat
11or12oclockposition • Patientheadmoved
towardsoperatorsposition
• Fingerrestonincisalsurfaceonrightanteriorteethorocclusalofbiscupid
• Leftindexfingertoretractrightcheek
• Evacuatortipplacedlinguallywith1/2belowincisaledge
IncisalApproach
• ClassIVrestorationandcrownpreparation
• Operatorin11oclockposition
• Patientinsupineposition • Moveheadtoward
operatorandslightlyelevatethechin
• Fingerrestonincisalsurfaceonrightanteriorteethorocclusalofbiscupid
LingualApproach
• Indirectvision • Mirrorheldasfaraway
fromthepreparationaspossible
• Operatorin11oclockposition
• Patientinsupineposition • Moveheadtoward
operatorandslightlyelevatethechin
• Fingerrestonincisalsurfaceonrightanteriorteethorocclusalofbiscupid
•
MaxillaryRightPosteriorSegment
BuccalApproach
• Directvision • Operatorin9oclockposition • Patientheadturnedtoward
assistant • Operatorleftindexfingerto
retractpatientscheek • Fingerrestestablishedonleft
indexfinger
OcclusalApproach
• Indirectvision • Operatorin11oclockposition • Patientinsupineposition • Moveheadtowardoperatorand
slightlyelevatethechin • Retractionmostcommon
difficulty • Useringfingertoestablish
fingerrestonbuccalsurfaceofposteriorteeth
• Fingeralsoservestoretractthecheekatthesametime
• Cottonrollinmucobuccalfold
LingualApproach
• Directvision • Closeinspectionusingmouth
mirror • Operatorin9oclockposition • Patientinsupineposition • MoveheadCONSIDERABLY
towardoperatorandelevatethechintothemaximum
• Leftindexfingertoretractandalsoasafingerrestfortherighthand
MandibularLeftPosteriorSegment
BuccalApproach
• Directvision • Indirectvisionfordetail • Operatorin11oclock
position • Patientinsupineposition • Moveheadtoward
operator • Retractteethwithindex
fingerormouthmirror • Fingerrestonlabial
surfaceofrightanteriorteeth
• Evacuatortiponbuccalaspect1-2teethposteriortoteethbeingtreated
OcclusalApproach
• Directvision • Indirectvisionfordetail • Operatorin11oclock
position • Patientinsupineposition
orangledslightlyupwardforimprovedvision
• Moveheadtowardoperatorandslightlyelevatethechin
• Retractcheekwithmouthmirror
• Fingerrestonlabialsurfaceofrightanteriorteeth
LingualApproach
• Directvision • Indirectvisionfordetail • Operatorin9oclock
position • Dentalchairlowered
completely • Chairraiseduntiloral
cavityatoperator'selbowheight
• Patientheadtowarddentalassistant
• Cheekretractedwithevacuatortipandassistantsleftindexfinger
• Rightcheekretractedwithoperatorsdentalmirror
• Fingerrestonlabialsurfaceofrightanteriorteeth
MandibularAnteriorSegment
LabialApproach
• Directvision • Operatorin11oclock
position • Moveheadtoward
operatorandslightlyelevatethechin
• Retractlipwiththumbandindexfingerusinggauze
• Fingerrestonfacialsurfaceofmandibularrightcuspidorpremolarteeth
IncisalApproach
• Directvision • Operatorin11oclock
position • Moveheadtoward
operatorandslightlyelevatethechin
• Retractlipwiththumbandindexfingerusinggauze
• Fingerrestonfacialsurfaceofmandibularrightpremolarteeth
LingualApproach
• Indirectvision • Operatorin11oclock
position • Moveheadtoward
operatorandslightlyelevatethechin
• Patientsupineorraisedslightly
• Fingerrestonfacialsurfaceofmandibularrightpremolarteeth
MandibularRightPosteriorSegment
BuccalApproach
• Directvision • Operatorin9oclock
position • Dentalchairlowered
completely • Chairraiseduntiloralcavity
atoperator'selbowheight • Patientheadtowarddental
assistant • Fingerrestonfacialsurface
ofmandibularanteriorteeth • Retractionusingindexfinger
ormouthmirror
OcclusalApproach
• Directvision • Operatorin9oclock
position • Dentalchairlowered
completely • Chairraiseduntiloralcavity
atoperator'selbowheight • Patientheadslightlytoward
dentalassistantwithchinloweredslightly
• Retractionusingindexfinger • Usetheretractionindex
fingerasfingerrestfortherighthand
LingualApproach
• Directvision • Operatorin9oclock
position • Dentalchairlowered
completely • Chairraiseduntiloralcavity
atoperator'selbowheight • PatientheadCONSIDERABLY
towarddentalassistantwith • chinloweredslightly • Operatorleftindexfingerto
retractcheek;assistantusemirrortoretracttongue
• Fingerrestonlabialsurfaceofmandibularanteriorteethorbuccalsurfaceofmandibularleftpremolarteeth