INBDE EXAM 2023
n
n n
thisndentinnisnsecretednbeforenrootnformationn-nAnswernprimary
thisndentinnisnsecretednafternrootnformationn-nAnswernsecondary
tertiaryndentinnisncreatednbyn-nAnswernsecondarynodontoblasts
secondaryndentinnthatnisnanreactionntonMINORndamagen-nAnswernreactionary
tertiaryndentinnthatnisnanreactionntonMAJORndamagen-nAnswernreparative
whatnfibersncaryndentinalnpainn-nAnswernAndelta
sharpntransientnfirstnpainnisncarriednbynwhatnfibersn-nAnswernAndelta
Andeltanfibersncoursen_____nthroughnpulpn-nAnswerncoronally
whatnfibersncarrynpulpitisnpainn-nAnswernCnfibers
arenCnfibersnmyelinatedn-nAnswernno
howndonCnfibersncoursen-nAnswerncentrallyninnthenpulpnstorm
dullnthrobbingnpainnandnpainntonheatnisncarriednbynwhatnfibersn-nAnswernCnfibers
whatnisnannexamplenofnallodynian-nAnswernsunburn
preauricularnpainnisnoftennreferrednfromn-nAnswernmandibularnmolars
condensingnosteitisnisnoftennfoundnonnantoothnwithnwhatn-nAnswernrecentnrestoration
2ncontraindicationsntonEndodonticsntherapyn-
nAnswernuncontrolledndiabetesnandnMInwithinnlastn6nmonths
leastnreliablenvitalityntestingn-nAnswernEPT
EPTnisncontraindicatedninnptsnwithn-nAnswernpacemaker
anrecentlyntraumatizedntoothncannpresentnwithnwhatnresponsentonEPTn-
nAnswernfalsennegative
painnonnbitingnandnonnreleasenisnindicativenofn-nAnswerncrackedntoothnsyndrome
tearndropnradiolucencynisnindicativenofn-nAnswernverticalnrootnfracture
verticalnrootnfracturenstartsnwherenandnprogressesnwheren-
nAnswernstartsnapicallynandnprogressesncoronally
mandibularn1stnmolarn3ncanalnaccessnshapen-nAnswerntrapezoid
maxillaryn1stnmolarn4ncanalnaccessnshapen-nAnswernbluntedntrianglenornrhomboidal
,INBDE EXAM 2023
n
n n
Hedstromn(H-files)narenmainlynusednfornwhatn-nAnswerntonretrievenGPnduringnretreat
Sizen15nD1nfilenhasnwhatnsizentipn-nAnswern.15mm
rootnendnresectionntypicallynremovesnhownmuchntipn-nAnswern3mm
bisectingnanglenisnthen____________naccuraten-nAnswernleast
primarynEndodonticninfectionnisnmainlynwhatnbacteriumn-nAnswernbacteroides
failednendontxtnisnmainlynwhatnbacteriumn-
nAnswernenterococcusnfaecalisn(Gramn+nfacultativenanaerobe)
whatntondonwhennyounledgen-nAnswernusensmallerninstrumentnandnbypassn(renegotiate)
whatntondonwhennyounseparatenannendoninstrumentn-
nAnswernusensmallerninstrumentntonbypass
dangernzonenfornmandibularnmolarsnfornperforationnriskn-
nAnswerndistalnsidenofnmesialnroot--nslightnconcavity
safetynzonenfornmandibularnmolarsnfornperforationnriskn-
nAnswernmesialnsidenof nmesialnroot--nmorendentin
repairnperforationnwithn-nAnswernMTA
avulsionsnrequirenwhatnboostern-nAnswerntetanus
falsennegativesntonvitalityntestingnmaynbenpresentnfornhownlongn-nAnswern2-8nweeks
EllisnclassnIVnfracturen-nAnswerntraumatizedntoothnthatnhasnbecomennon-vital
EllisnClassnVn-nAnswernluxation
EllisnClassnVIn-nAnswernavulsion
immaturennecroticntoothntxtn-nAnswernapexification
txtnofnanvitalnimmaturenpulpnbyncappingnornpulpotomyninnorderntonhavencontinuedngrowthn
ofnrootnandnclosurenofnannopennapexn-nAnswernapexogenesis
txtnofncomplicatednfracturen<24nhrsn-nAnswerndirectnpulpncap
txtnofncomplicatednfracturen24+nhrsn-nAnswernCveck
txtnofncomplicatednfracturen72+nhrsn-nAnswernpulpotomy
ifnhorizontalnrootnfracturenwhatnisnfirstnlinenofntreatmentn-nAnswernsplint,ncoronaln>napical
,INBDE EXAM 2023
n
n n
whatnisnbetternhorizontalnrootnfracture?ncoronalnornapicaln-nAnswernapical
whatnisnbetternhorizontalnrootnfracture,nobliquenorntransverse?n-nAnswernoblique
risknofnpulpalnnecrosisninnsubluxationnopennapicesn-nAnswern0%
risknofnpulpalnnecrosisninnsubluxationnwithnclosednapicesn-nAnswern6%
risknofnpulpalnnecrosisninnextrusionnwithnclosednapexn-nAnswern65%
risknofnpulpalnnecrosisninnlateralnlunationnwithnclosednapexn-nAnswern80%
risknofnpulpalnnecrosisninnintrusionnwithnopennapexn-nAnswern96%
whatnshouldnyoundonifntherenisnsignnofninfectednpulpninnancasenthatnhasnhadnavulsionnwitno
pennapexn-nAnswernapexification
externalnresorptionn-nAnswernchangesninncementoblasticnlayer
hownlongntonleavensplintnfornrootnfractures/navulsionsn-nAnswern1-2nweeks
hownlongntonleavensplintnfornalveolarnfracturesn-nAnswern4nweeks
CaOHnstimulatesnwhatn-nAnswernsecondarynodontoblasts
MTAnstimulatesn-nAnswernMTA
Thisnisnonlynofferedntonprimarynteethnthatnarenrestorablenandnasymptomaticn-
nAnswerncveck
widthnofnpostnshouldnnotnexceedn____nofnrootndiametern-nAnswern1/3
whatnisnusedntondissolvenGPnduringnretreatn-nAnswernchlorophorm
whatnmaterialndissolvesninorganicnmaterialnduringncleaningncanaln-nAnswernEDTA
whatnmaterialndissolvesnorganicnmaterialnduringncleaningncanaln-nAnswernbleach
thisnmaterialnsedatesnperiradicularnnerventissuesnpost-opn-nAnswerneugenol
leastnusefulnendondiagnosticntestsninnchildrenn-nAnswernEPT
sinusntractnshouldnhealn_______nafternconventionalnRCTn-nAnswern2-4nweeks
isnconfirmingnthenclinicalndiagnosisnanmajornobjectivenofnaccessn-nAnswernno
whichntoothnhasnthenmostnconsistentnnumbernofncanalsn-nAnswernmaxillaryncanine
initialninstrumentationninnEndodonticsntreatmentnisndonentonthenlevelnofnthen-
nAnswernCDJ
, INBDE EXAM 2023
n
n n
Whichnperforationnlocationnhasnthenbest
prognosis?
A.nCoronalnthirdnofnroot
B.nApicalnthirdnofnroot
C.nChambernfloor
D.nMiddlenthirdnofnrootn-nAnswernB
Whatnisnthentreatmentnofnchoicenofnanvitaln2ndnmolarnwithnan2mmnexposurenonnan12nyrnol
dn-nAnswernapexogenesis
atnwhatnstagenisnEndodonticsntreatmentnconsideredncompleten-
nAnswernwhennthencoronalnrestorationnisncomplete
enamelncriticalnpHn-nAnswern5.5
dentinncriticalnpHn-nAnswern6.2
enamelncariesncausednbyn-nAnswernstreptococcusnmutans
gramnpositivencoccinthatncausesnenamelncariesn-nAnswernstreptococcusnmutans
enzymenusedntonconvertnsucrosentonglucansnandnfructans,nextracellularnpolysaccharide
snthatnhelpnsticknitntontoothn-nAnswernglucosyltransferase
dentinalncariesn-nAnswernlactobacillis
rootncariesncausednbyn-nAnswernactinomyces
lysozymenfunctionn-nAnswerndestroysncellnwalls
lactoferrinnfunctionn-nAnswerninactivatesniron
lactoperoxidasenfunctionn-nAnswerninactivatesnenzymes
ditchingnofnamalgamnatnmarginn_________nisnjudgedncariousn-nAnswern>0.5mm
workingnendnofnanninstrumentnisncalledn-nAnswernbladenornnib
thenworkingnsurfacenofnanninstrumentnisncalledn-nAnswerncuttingnedge,nface,nornpoint
Instrumentnformula:n10-97-7-15n-
nAnswern1stnnumber:n(10)nwidthnofnthenbladeninntenthnofnmillimetersn
2ndnnumber:n(97)nanglenthencuttingnedgencreatesnwithnthenhandleninndegreesncentigrad
en
3rdnnumber:n(7)nlengthnofnthenbladeninnmillimeters
n
n n
thisndentinnisnsecretednbeforenrootnformationn-nAnswernprimary
thisndentinnisnsecretednafternrootnformationn-nAnswernsecondary
tertiaryndentinnisncreatednbyn-nAnswernsecondarynodontoblasts
secondaryndentinnthatnisnanreactionntonMINORndamagen-nAnswernreactionary
tertiaryndentinnthatnisnanreactionntonMAJORndamagen-nAnswernreparative
whatnfibersncaryndentinalnpainn-nAnswernAndelta
sharpntransientnfirstnpainnisncarriednbynwhatnfibersn-nAnswernAndelta
Andeltanfibersncoursen_____nthroughnpulpn-nAnswerncoronally
whatnfibersncarrynpulpitisnpainn-nAnswernCnfibers
arenCnfibersnmyelinatedn-nAnswernno
howndonCnfibersncoursen-nAnswerncentrallyninnthenpulpnstorm
dullnthrobbingnpainnandnpainntonheatnisncarriednbynwhatnfibersn-nAnswernCnfibers
whatnisnannexamplenofnallodynian-nAnswernsunburn
preauricularnpainnisnoftennreferrednfromn-nAnswernmandibularnmolars
condensingnosteitisnisnoftennfoundnonnantoothnwithnwhatn-nAnswernrecentnrestoration
2ncontraindicationsntonEndodonticsntherapyn-
nAnswernuncontrolledndiabetesnandnMInwithinnlastn6nmonths
leastnreliablenvitalityntestingn-nAnswernEPT
EPTnisncontraindicatedninnptsnwithn-nAnswernpacemaker
anrecentlyntraumatizedntoothncannpresentnwithnwhatnresponsentonEPTn-
nAnswernfalsennegative
painnonnbitingnandnonnreleasenisnindicativenofn-nAnswerncrackedntoothnsyndrome
tearndropnradiolucencynisnindicativenofn-nAnswernverticalnrootnfracture
verticalnrootnfracturenstartsnwherenandnprogressesnwheren-
nAnswernstartsnapicallynandnprogressesncoronally
mandibularn1stnmolarn3ncanalnaccessnshapen-nAnswerntrapezoid
maxillaryn1stnmolarn4ncanalnaccessnshapen-nAnswernbluntedntrianglenornrhomboidal
,INBDE EXAM 2023
n
n n
Hedstromn(H-files)narenmainlynusednfornwhatn-nAnswerntonretrievenGPnduringnretreat
Sizen15nD1nfilenhasnwhatnsizentipn-nAnswern.15mm
rootnendnresectionntypicallynremovesnhownmuchntipn-nAnswern3mm
bisectingnanglenisnthen____________naccuraten-nAnswernleast
primarynEndodonticninfectionnisnmainlynwhatnbacteriumn-nAnswernbacteroides
failednendontxtnisnmainlynwhatnbacteriumn-
nAnswernenterococcusnfaecalisn(Gramn+nfacultativenanaerobe)
whatntondonwhennyounledgen-nAnswernusensmallerninstrumentnandnbypassn(renegotiate)
whatntondonwhennyounseparatenannendoninstrumentn-
nAnswernusensmallerninstrumentntonbypass
dangernzonenfornmandibularnmolarsnfornperforationnriskn-
nAnswerndistalnsidenofnmesialnroot--nslightnconcavity
safetynzonenfornmandibularnmolarsnfornperforationnriskn-
nAnswernmesialnsidenof nmesialnroot--nmorendentin
repairnperforationnwithn-nAnswernMTA
avulsionsnrequirenwhatnboostern-nAnswerntetanus
falsennegativesntonvitalityntestingnmaynbenpresentnfornhownlongn-nAnswern2-8nweeks
EllisnclassnIVnfracturen-nAnswerntraumatizedntoothnthatnhasnbecomennon-vital
EllisnClassnVn-nAnswernluxation
EllisnClassnVIn-nAnswernavulsion
immaturennecroticntoothntxtn-nAnswernapexification
txtnofnanvitalnimmaturenpulpnbyncappingnornpulpotomyninnorderntonhavencontinuedngrowthn
ofnrootnandnclosurenofnannopennapexn-nAnswernapexogenesis
txtnofncomplicatednfracturen<24nhrsn-nAnswerndirectnpulpncap
txtnofncomplicatednfracturen24+nhrsn-nAnswernCveck
txtnofncomplicatednfracturen72+nhrsn-nAnswernpulpotomy
ifnhorizontalnrootnfracturenwhatnisnfirstnlinenofntreatmentn-nAnswernsplint,ncoronaln>napical
,INBDE EXAM 2023
n
n n
whatnisnbetternhorizontalnrootnfracture?ncoronalnornapicaln-nAnswernapical
whatnisnbetternhorizontalnrootnfracture,nobliquenorntransverse?n-nAnswernoblique
risknofnpulpalnnecrosisninnsubluxationnopennapicesn-nAnswern0%
risknofnpulpalnnecrosisninnsubluxationnwithnclosednapicesn-nAnswern6%
risknofnpulpalnnecrosisninnextrusionnwithnclosednapexn-nAnswern65%
risknofnpulpalnnecrosisninnlateralnlunationnwithnclosednapexn-nAnswern80%
risknofnpulpalnnecrosisninnintrusionnwithnopennapexn-nAnswern96%
whatnshouldnyoundonifntherenisnsignnofninfectednpulpninnancasenthatnhasnhadnavulsionnwitno
pennapexn-nAnswernapexification
externalnresorptionn-nAnswernchangesninncementoblasticnlayer
hownlongntonleavensplintnfornrootnfractures/navulsionsn-nAnswern1-2nweeks
hownlongntonleavensplintnfornalveolarnfracturesn-nAnswern4nweeks
CaOHnstimulatesnwhatn-nAnswernsecondarynodontoblasts
MTAnstimulatesn-nAnswernMTA
Thisnisnonlynofferedntonprimarynteethnthatnarenrestorablenandnasymptomaticn-
nAnswerncveck
widthnofnpostnshouldnnotnexceedn____nofnrootndiametern-nAnswern1/3
whatnisnusedntondissolvenGPnduringnretreatn-nAnswernchlorophorm
whatnmaterialndissolvesninorganicnmaterialnduringncleaningncanaln-nAnswernEDTA
whatnmaterialndissolvesnorganicnmaterialnduringncleaningncanaln-nAnswernbleach
thisnmaterialnsedatesnperiradicularnnerventissuesnpost-opn-nAnswerneugenol
leastnusefulnendondiagnosticntestsninnchildrenn-nAnswernEPT
sinusntractnshouldnhealn_______nafternconventionalnRCTn-nAnswern2-4nweeks
isnconfirmingnthenclinicalndiagnosisnanmajornobjectivenofnaccessn-nAnswernno
whichntoothnhasnthenmostnconsistentnnumbernofncanalsn-nAnswernmaxillaryncanine
initialninstrumentationninnEndodonticsntreatmentnisndonentonthenlevelnofnthen-
nAnswernCDJ
, INBDE EXAM 2023
n
n n
Whichnperforationnlocationnhasnthenbest
prognosis?
A.nCoronalnthirdnofnroot
B.nApicalnthirdnofnroot
C.nChambernfloor
D.nMiddlenthirdnofnrootn-nAnswernB
Whatnisnthentreatmentnofnchoicenofnanvitaln2ndnmolarnwithnan2mmnexposurenonnan12nyrnol
dn-nAnswernapexogenesis
atnwhatnstagenisnEndodonticsntreatmentnconsideredncompleten-
nAnswernwhennthencoronalnrestorationnisncomplete
enamelncriticalnpHn-nAnswern5.5
dentinncriticalnpHn-nAnswern6.2
enamelncariesncausednbyn-nAnswernstreptococcusnmutans
gramnpositivencoccinthatncausesnenamelncariesn-nAnswernstreptococcusnmutans
enzymenusedntonconvertnsucrosentonglucansnandnfructans,nextracellularnpolysaccharide
snthatnhelpnsticknitntontoothn-nAnswernglucosyltransferase
dentinalncariesn-nAnswernlactobacillis
rootncariesncausednbyn-nAnswernactinomyces
lysozymenfunctionn-nAnswerndestroysncellnwalls
lactoferrinnfunctionn-nAnswerninactivatesniron
lactoperoxidasenfunctionn-nAnswerninactivatesnenzymes
ditchingnofnamalgamnatnmarginn_________nisnjudgedncariousn-nAnswern>0.5mm
workingnendnofnanninstrumentnisncalledn-nAnswernbladenornnib
thenworkingnsurfacenofnanninstrumentnisncalledn-nAnswerncuttingnedge,nface,nornpoint
Instrumentnformula:n10-97-7-15n-
nAnswern1stnnumber:n(10)nwidthnofnthenbladeninntenthnofnmillimetersn
2ndnnumber:n(97)nanglenthencuttingnedgencreatesnwithnthenhandleninndegreesncentigrad
en
3rdnnumber:n(7)nlengthnofnthenbladeninnmillimeters
