ABOMS ORAL AND MAXILLOFACIAL
SURGERY EXAM 2026 | PRACTICE
QUESTIONS, VERIFIED ANSWERS &
DETAILED RATIONALES | OMS BOARD
CERTIFICATION PREP
ArchBbarBfixationB-BCORRECTBANSWERFixationBofBdentoalveolarBfractureBforB21-25Bdays
PrimaryBintrudedBtoothB-BCORRECTBANSWERToothBthatBshouldBbeBobservedBforB4-
8BweeksBandBextractedBifBitBdoesn'tBre-erupt
PostB3rdsBextractionB-
BCORRECTBANSWERUseBofBoxidizedBmethylcelluloseB(Surgicel)BassociatedBwithBtransientBchangesBi
nBIANBdueBtoBacidicBpH
ExplanationBforBgreaterBextentBofBedentulousBboneBresorptionBinBmandibleB-
BCORRECTBANSWERDiminishedBbloodBflowBthroughBIANBcanal
IndicationsBforB3rdBextractionsB-
BCORRECTBANSWERPreventBcariesBandBrootBresorptionBofB2ndBmolar,BpreventBunanticipatedBsplitB
duringBorthognathicBsurgery,BallowBdistalizationBofBteethBforBorthodonticBtreatment
TreatmentBforBlabiallyBpositionedBimpactedBmaxillaryBcanineB-
BCORRECTBANSWERFTMP,BorthodonticBbracketing,BflapBreplacement,BorthodonticBtoothBadvance
mentBunderBflap
VerticalBreleasingBincisionB-
BCORRECTBANSWERObliqueBincisionBthatBshouldBnotBcrossBbonyBprominences,BshouldBendBatBmesi
obuccalBlineBangleBofBtheBtooth,BshouldBnotBdivideBinterproximalBpapilla
, VestibuloplastyB-
BCORRECTBANSWERSubmucousBresectionBorBsecondaryBepithelializationBtoBstabilizeBMXBdentures
MTAB(mineralBtrioxideBaggregate)B-
BCORRECTBANSWERBetterBthanBamalgam,BprovidesBaBbetterBpositiveBseal,BmoreBhydrophilicBbeha
vior,BnoBelectrochemicalBreaction,BnoBcorrosiveBproperties,BnoBtattooing,BbutBmoreBexpensive
GrowthBcessationBmonitoringB-
BCORRECTBANSWEREvaluatedBbyBserialBcephalometricBradiographsBtakenBeveryB6Bmonths,BnoBgro
wthBseenBatB1ByearBindicatesBgrowthBhasBceased
RadiologicBpredictorBofBIANBinjuryBduringB3rdBmolarBsurgeryB-
BCORRECTBANSWERDiversionBofBIANBcanal,BdarkeningBofBroot,BinterruptionBofBwhiteBline
SutureBresorptionB-BCORRECTBANSWERVicrylB(esterBhydrolysis)B60-
90Bdays,BchromicBgutBisBpatientBdependentB(enzymaticBproteolysis),BPDSBIIB(slowest)BesterBhydroly
sisBcompletedB18-30Bmonths
ApicoectomyB-
BCORRECTBANSWERRemovalBofBatBleastB3BmmBofBroot,BremovalBofBlateralBcanals,BallowsBaccessBforB
removalBofBassociatedBpathologicBtissue,BeaseBofBplacementBofBretrofillBrestoration
ComplicationsBfollowingBasymptomaticBimpactedBthirdBmolarsB-
BCORRECTBANSWERAgeBofBpatient,BexperienceBofBsurgeon,BpositionBofBtooth,BallBleadBtoBincreaseBi
nBcomplications,BprophylacticBantibioticsBdoBnotBdecreaseBinfections
PericoronitisBofBMNB3rdBmolarB-
BCORRECTBANSWERResultsBfromBdebrisBandBbacterialBcontaminationBaroundBcrownBofBpartiallyBi
mpactedBtooth,BcausedBbyBnormalBoralBflora,BABXBnotBindicatedBtoBdecreaseBbacterialBload
SURGERY EXAM 2026 | PRACTICE
QUESTIONS, VERIFIED ANSWERS &
DETAILED RATIONALES | OMS BOARD
CERTIFICATION PREP
ArchBbarBfixationB-BCORRECTBANSWERFixationBofBdentoalveolarBfractureBforB21-25Bdays
PrimaryBintrudedBtoothB-BCORRECTBANSWERToothBthatBshouldBbeBobservedBforB4-
8BweeksBandBextractedBifBitBdoesn'tBre-erupt
PostB3rdsBextractionB-
BCORRECTBANSWERUseBofBoxidizedBmethylcelluloseB(Surgicel)BassociatedBwithBtransientBchangesBi
nBIANBdueBtoBacidicBpH
ExplanationBforBgreaterBextentBofBedentulousBboneBresorptionBinBmandibleB-
BCORRECTBANSWERDiminishedBbloodBflowBthroughBIANBcanal
IndicationsBforB3rdBextractionsB-
BCORRECTBANSWERPreventBcariesBandBrootBresorptionBofB2ndBmolar,BpreventBunanticipatedBsplitB
duringBorthognathicBsurgery,BallowBdistalizationBofBteethBforBorthodonticBtreatment
TreatmentBforBlabiallyBpositionedBimpactedBmaxillaryBcanineB-
BCORRECTBANSWERFTMP,BorthodonticBbracketing,BflapBreplacement,BorthodonticBtoothBadvance
mentBunderBflap
VerticalBreleasingBincisionB-
BCORRECTBANSWERObliqueBincisionBthatBshouldBnotBcrossBbonyBprominences,BshouldBendBatBmesi
obuccalBlineBangleBofBtheBtooth,BshouldBnotBdivideBinterproximalBpapilla
, VestibuloplastyB-
BCORRECTBANSWERSubmucousBresectionBorBsecondaryBepithelializationBtoBstabilizeBMXBdentures
MTAB(mineralBtrioxideBaggregate)B-
BCORRECTBANSWERBetterBthanBamalgam,BprovidesBaBbetterBpositiveBseal,BmoreBhydrophilicBbeha
vior,BnoBelectrochemicalBreaction,BnoBcorrosiveBproperties,BnoBtattooing,BbutBmoreBexpensive
GrowthBcessationBmonitoringB-
BCORRECTBANSWEREvaluatedBbyBserialBcephalometricBradiographsBtakenBeveryB6Bmonths,BnoBgro
wthBseenBatB1ByearBindicatesBgrowthBhasBceased
RadiologicBpredictorBofBIANBinjuryBduringB3rdBmolarBsurgeryB-
BCORRECTBANSWERDiversionBofBIANBcanal,BdarkeningBofBroot,BinterruptionBofBwhiteBline
SutureBresorptionB-BCORRECTBANSWERVicrylB(esterBhydrolysis)B60-
90Bdays,BchromicBgutBisBpatientBdependentB(enzymaticBproteolysis),BPDSBIIB(slowest)BesterBhydroly
sisBcompletedB18-30Bmonths
ApicoectomyB-
BCORRECTBANSWERRemovalBofBatBleastB3BmmBofBroot,BremovalBofBlateralBcanals,BallowsBaccessBforB
removalBofBassociatedBpathologicBtissue,BeaseBofBplacementBofBretrofillBrestoration
ComplicationsBfollowingBasymptomaticBimpactedBthirdBmolarsB-
BCORRECTBANSWERAgeBofBpatient,BexperienceBofBsurgeon,BpositionBofBtooth,BallBleadBtoBincreaseBi
nBcomplications,BprophylacticBantibioticsBdoBnotBdecreaseBinfections
PericoronitisBofBMNB3rdBmolarB-
BCORRECTBANSWERResultsBfromBdebrisBandBbacterialBcontaminationBaroundBcrownBofBpartiallyBi
mpactedBtooth,BcausedBbyBnormalBoralBflora,BABXBnotBindicatedBtoBdecreaseBbacterialBload