Registered Dental Assistant Exam (AMT) exam Questions and Answers Updated 2026

Registered Dental Assistant Exam
(AMT) exam Questions and Answers
Updated 2026
ThisMhelpsMtoMisolateMposteriorMareasMinMtheMmaxillaryMandMmandibularMarchesMbyMcoveringM
Stensen'sMduct.M
A.MsalivaMejectorM
B.Mdry-angleMpadM
C.HVEM
D.McottonMrollsM-MAnswerMB.Mdry-angleMpad


WhatMisMitMcalledMwhenManMexcessMofMrestorativeMmaterialMextendsMbeyondMtheMtoothMmargin
?M
A.MoverhangM
B.MfissureM
C.MlowMmarginM
D.MhighMmarginM-MAnswerMA.Moverhang


GypsumMmaterialsMincludeMwhichMofMtheMfollowingMmaterials?M
A.MplasterM
B.quick-setMstoneM
C.orthodonticMstoneM
D.allMofMtheMaboveM-MAnswerMD.MAllMofMtheMabove


WhichMofMtheMfollowingMinstrumentsMwouldMappearMonManMamalgamMrestorationMtray?
A.MrongeursM
B.MburnisherM
C.prophyMangleM
D.MCuretteM-MAnswerMB.MBurnisher


BarriersMforMlightMhandlesMandMchairsMshouldMbeM
A.Mimpervious-backedMpaperMorMplasticMcovers.M
B.MeasyMtoMremove.M

,C.MadequateMcoverageMforMallMitemsMthatMareMdifficultMtoMcleanMorMdisinfect.M
D.MallMofMtheMabove.M-MAnswerMD.MAllMofMtheMabove


TheMtypeMofMglovesMusedMduringMdisinfectionMandMclean-upMproceduresMareMcalledM
A.utilityMgloves.M
B.vinylMgloves.M
C.latexMgloves.M
D.Overgloves.M-MAnswerMA.MUtilityMgloves


TheMmainMpurposeMofMsurgicalMhandMantisepsisMisMtoM
A.MreduceMtheMchanceMofMcontaminatingMtheMpatientMifMglovesMbecomeMpuncturedMorMtorn.M
B.MeliminateMallergicMreactionsMonMDHCPMhands.
C.McleanMandMsterilizeMtheMhandsMbeforeMputtingMonMsterileMgloves.M
D.MpreventMtheMcontaminationMofMtheMDHCPMskinMthroughMunnoticedMpinholesMinMtheMgloves
.M-
MAnswerMA.MreduceMtheMchanceMofMcontaminatingMtheMpatientMifMglovesMbecomeMpuncturedMo
rMtorn.


DentalMhandpiecesM(bothMhighMandMslowMspeed)MshouldMbeMsterilizedM
A.MafterMeachMpatient.M
B.MbeforeMandMafterMlubrication.M
C.MonceMaMday.M
D.MAfterMworkingMonMaMpatientMwithMaMcommunicableMdisease.M-
MAnswerMA.MAfterMeachMpatient


TheMpulpMcanMbestMbeMdescribedMasM
A.MconsistingMofMtissueMthatMsurroundsMandMsupportsMtheMteeth.M
B.McoveringMtheMrootMofMtheMtooth.M
C.MnourishingMandMprotectingMtheMtooth.M
D.MtheMhardestMsubstanceMinMtheMbody.M-MAnswerMC.MnourishingMandMprotectingMtheMtooth.


AmalgamMplacedMinMtheMcavityMpreparationMisMmostMoftenMaccomplishedMbyMusingMa(n)M
A.MamalgamMcarrier.M
B.condenser.M

,C.Mcarver.M
D.MBurnisher.M-MAnswerMA.MamalgamMcarrier.


InMinfectionMcontrolMhowMareMradiographMheadsMorMPIDsMcategorized?M
A.MnoncriticalM
B.MhypercriticalM
C.criticalM
D.MSemicriticalM-MAnswerMA.MNoncritical


WhichMofMtheMfollowingMisMtrueMregardingMaMbiteMregistration?M
A.MisMusuallyMusedMbyMtheMlabMtoMfabricateMpermanentMprosthesesM
B.MisMusedMtoMarticulateMtheMmaxillaMandMmandibleM
C.McanMbeMmadeMofMwaxMorMotherMputty-likeMmaterialM
D.allMofMtheMaboveM-MAnswerMD.MallMofMtheMabove


TheMdistalMportionMofMtheMtoothMrefersMtoMwhichMsurface?M
A.MtheMsurfaceMtowardMtheMmidlineM
B.MtheMchewingMsurfaceM
C.MtheMsurfaceMclosestMtoMtheMgingival
D.MtheMsurfaceMawayMfromMtheMmidlineM-MAnswerMD.MtheMsurfaceMawayMfromMtheMmidline


TheMthreeMmajorMelementsMthatMmakeMupMtheMx-rayMmachineMareM
A.MtheMcontrolMpanelMtheMhigh-voltageMpowerMsourceMandMtheMcollimator.
MB.MtheMvacuumMtube;MtheMhigh-voltageMpowerMsource;MandMtheMoperatingMconsole.M
C.MtheMPID;MtheMcollimator;MandMtheMoperatingMpanel.M
D.MtheMtubeMhead;MtheMPID;MandMtheMvacuumMtube.M-
MAnswerMB.MtheMvacuumMtube;MtheMhigh-voltageMpowerMsource;MandMtheMoperatingMconsole.


WhatMisMtheMoperatorMzoneMforMaMright-handedMclinician?M
A.M12-5Mo'clockM
B.M4-7Mo'clock
MC.M2-4Mo'clockM
D.M12-2Mo'clockM-MAnswerMA.M12-5Mo'clock

, WhichMofMtheMfollowingMisMNOTMconsideredMaMbloodborneMpathogen?
A.MhepatitisMA
B.MhepatitisMBM
C.MhepatitisMCM
D.HIVM-MAnswerMA.MhepatitisMA


HepatitisMDMisMaM
A.McoinfectionMwithMhepatitisMB.M
B.MwaterborneMvirus.M
C.McoinfectionMwithMhepatitisMC.M
D.MfoodborneMvirus.M-MAnswerMA.McoinfectionMwithMhepatitisMB


PatientsMwhoMareMtreatingMalcoholMabuseMshouldMnotMbeMgivenM_____MinMtheMdentalMoffice.
M
A.Mmouthwash
B.Mantibiotics
C.Manesthetics
D.MFluorideM-MAnswerMA.MMouthwash


TheMdentistMasksMyouMtoMsetMupManMoperativeMtrayMforMaMcompositeMrestorationMonMtoothM
#2MMOD.MWhichMitemMwouldMNOTMappearMonMtheMtray?M
A.MmatrixMbandMandMwedges
B.MPessoMreamers
C.McuringMlight
D.MCondenserM-MAnswerMC.MPessoMreamers


IntermediateMcementsMareMexpectedMtoMlastMatMleastM_____Mmonths.M
A.Msix
B.Mthree
C.Mnine
D.MTwoM-MAnswerMA.Msix