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Exam (elaborations)

Aboms Practice Exam Qs Exam 2026 | Practice Questions, Verified Answers & Detailed Rationales | Oms Board Certification Prep

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Aboms Practice Exam Qs Exam 2026 | Practice Questions, Verified Answers & Detailed Rationales | Oms Board Certification Prep

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ABOMS PRACTICE EXAM QS EXAM
2026 | PRACTICE QUESTIONS,
VERIFIED ANSWERS & DETAILED
RATIONALES | OMS BOARD
CERTIFICATION PREP
Patientsnwithndentofacialndeformitiesnundergoingncorrectivenorthognathicnsurgerynhavenbeennfou
ndntonreport:n-
nCORRECTnANSWERanpositivenimpactnonntheirnqualitynofnlifendespitenpersistencenofnneurosensoryn


disturbances.



Whatnisnthentreatmentnmodalitynwithnthenbestnpostoperativenstabilityninnanpatientnwithnactivenunil
ateralncondylarnhyperplasianandnClassnIInmalocclusion?n-
nCORRECTnANSWERunilateralnhighncondylectomynandnsimultaneousnorthognathicnsurgery




Whichnofnthenfollowingnbestndescribesntheneffectnofnmandibularnadvancementnviandistractionnoste
ogenesisn(MDO)nonnapnea-hypopneanindexn(AHI)ninninfantsnwithnobstructivensleepnapnea?n-
nCORRECTnANSWER1nmmn=n1npointndecreaseninnAHI




Bonengraftnvolumenoutcomesninnunilateralncleftnpatientsnarenmostnimprovednby:n-
nCORRECTnANSWERpre-surgicalnorthodonticntreatment.




Andisadvantagenofnannintraoralnverticalnramusnosteotomyn(IVRO)ncomparedntonansagittalnsplitnramu
snosteotomyn(SSRO)nfornthenmanagementnofnmandibularnprognathismnis:n-
nCORRECTnANSWERannincreasednneednfornmaxillomandibularnfixationn(MMF).




Craniofacialnmicrosomianisnassociatednwithndysfunctionnofncranialnnerve:n-nCORRECTnANSWERVII

,Craniofacialnmicrosomianpatientsnwithnobstructivensleepnapneanhavenwhichnofnthenfollowingnairwa
yncharacteristicsncomparedntonthosenwithoutnobstructivensleepnapnea?n-
nCORRECTnANSWERdecreasednnasopharyngealnvolume




Thenbestntreatmentnfornanskeletallynmaturenpatientnwithnprogressivenjuvenilenidiopathicn(rheumat
oid)narthritisnwhonhasnmoderatenasymmetrynandnverticalnheightnlossnis:n-
nCORRECTnANSWERoptimizensystemicntreatment




Thenaveragendistancenfromnmostninferiornpointnofnthenpterygomaxillarynjunctionntonthenmaxillaryna
rterynis:n-nCORRECTnANSWER18.2



Comparednwithnsecondarynalveolarngraftingn(agen6-12nyrs),nprimarynalveolarngraftingn(agen1-3):n-
nCORRECTnANSWERinhibitsngrowthnmorenprofoundly




Whichnmusclenisnexcludednfromnstimulationnbynthenhypoglossalnnervenstimulator?n-
nCORRECTnANSWERstyloglossus




Whichnmodificationnofnthenthenbilateralnsagittalnsplitnmandibularnosteotomynallowsnfornincreasedn
osseousnsurfacencontactntonenhancenbonynunion?n-nCORRECTnANSWERdalpont



Growthnalongnwhichnbonynsuturenmaynbecomenmostnrestrictednfollowingnprimaryncleftnpalatenrep
air?n-nCORRECTnANSWERnasomaxillary



Whennassessingnthenlong-
termneffectivenessnofnmaxillomandibularnadvancementnfornthentreatmentnofnmoderatentonseveren
obstructivensleepnapnea,nwhichnofnthenfollowingnmetricsnarenimproved?n-
nCORRECTnANSWERdiastolicnBP

, WhichnpreoperativenparameterninncleftnpatientsnundergoingnFurlownpalatoplastynplaysnanroleninnpr
edictingnpostoperativenvelopharyngealninsufficiencyn(VPI)?n-
nCORRECTnANSWERpreoperativenvelarnclosurenratio




WithnregardntoninfantsnwithnRobinnSequence,nwhichnofnthenfollowingnresultsninnthenmostneffectivenl
ong-termnimprovementnofnOSAS?n-nCORRECTnANSWERmandibularndistractionnosteo



Afternmaxillomandibularnadvancementnfornobstructivensleepnapnea,nwhichnofnthenfollowingnhasnth
engreatestneffectnonnreducingnuppernairwaynresistance?n-
nCORRECTnANSWERincreasentransversendimension




Innpatientsnwithncleftnlipnandnpalate,nwhatnpercentagendonnotnhavenanlateralnincisornonnthenaffecte
dnside?n-nCORRECTnANSWER50%



Thenlargestnincreaseninnairwaynvolumenfollowingnmandibularndistractionnosteogenesisninninfantsnw
ithnPierrenRobinnSequencenoccursnatnwhichnofnthenfollowingnlevels?n-
nCORRECTnANSWERretroglossal




Whatnisnthenpercentagenofnpostoperativeninfectionsnwhennsurgicallynuprightingnimpactednsecondn
molars?n-nCORRECTnANSWER1.9%



Whatnisnthenmostncommonlyncongenitallynmissingnpermanentntooth?n-
nCORRECTnANSWERthirdnmolar




Whichntypenofntraumantonthentoothnisnmostnassociatednwithnrootnresorption?n-
nCORRECTnANSWERintrusion




Lingualnnervenanatomynatnthirdnmolarn-nCORRECTnANSWERdeepntonthenperiosteum

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