NDEB EXAM 2019-2025 NDEB SOLVED QUE
CORRECT ANSWERS GRADED A
The vprincipal vreason vfor va vcavosurface vbevel von van
inlay vpreparation vis vto
A. vremove vundermined venamel.
B. vimprove vmarginal vadaptation.
C. vdecrease vmarginal vpercolation.
D. vincrease vresistance vand vretention vforms. v- vCORRECT vANS✔✔B. vimprove vmarginal vadapta
Lichen vplanus voccurs vmost vfrequently von vthe
A. vbuccal vmucosa.
B. vtongue.
C. vfloor vof vthe vmouth.
D. vgingiva. v- vCORRECT vANS✔✔A. vbuccal vmucosa.
The vpulpal vfloor vof va vClass vII vcavity vis vcut
perpendicular vto vthe vlong vaxis vof vthe vtooth vEXCEPT
in vthe
A. vmaxillary vfirst vpremolar.
B. vmaxillary vsecond vpremolar.
C. vmandibular vsecond vpremolar.
D. vmandibular vfirst vpremolar. v- vCORRECT vANS✔✔D. vmandibular vfirst vpremolar.
Upon vexamination vof van vedentulous vpatient, vit vis
observed vthat vthe vtuberosities vcontact vthe vretromolar
pads vat vthe vcorrect vocclusal vvertical vdimension. vThe
treatment vof vchoice vis vto
A. vreduce vthe vretromolar vpads vsurgically vto
provide vthe vnecessary vclearance.
B. vreduce vthe vtuberosities vsurgically vto vprovide vthe
necessary vclearance.
C. vconstruct vnew vdentures vat van vincreased vocclusal
vertical vdimension vto vgain vthe vnecessary
clearance.
,D. vcooling vthe vglass vmixing vslab. v- vCORRECT vANS✔✔D. vcooling vthe vglass vmixing vslab.
What vis vthe vmost vlikely vdiagnosis vof va vwhite vlesion
on vthe vretromolar vpad vopposing va vnon-functional
molar?
A. vAlveolar vridge vkeratosis.
B. vCandidiasis.
C. vLichen vplanus.
D. vSquamous vcell vcarcinoma v- vCORRECT vANS✔✔A. vAlveolar vridge vkeratosis
Which vof vthe vfollowing vis vthe vmost vlikely vcause vof
osteoporosis, vglaucoma, vhypertension vand vpeptic
ulcers vin va v65 vyear vold vwith vCrohn's vdisease?
A. vUncontrolled vdiabetes.
B. vSystemic vcorticosteroid vtherapy.
C. vChronic vrenal vfailure.
D. vProlonged vNSAID vtherapy.
E. vMalabsorption vsyndrome. v- vCORRECT vANS✔✔B. vSystemic vcorticosteroid vtherapy.
A vhinge vaxis vfacebow vrecords
A. vBennett vangle.
B. vcentric vrelation.
C. vlateral vcondylar vinclination.
D. vhorizontal vcondylar vinclination.
E. vopening vand vclosing vaxis vof vthe vmandible. v- vCORRECT vANS✔✔E. vopening vand vclosing va
The vmost vimportant vobjective vof vocclusal vadjustment
of va vnatural vdentition vis vto
A. vprevent vtemporomandibular vjoint vsyndrome.
B. vincrease vthe vshearing vaction vin vmastication.
C. vimprove voral vhygiene vby vpreventing vfood
impaction.
D. vachieve va vmore vfavorable vdirection vand
distribution vof vforces vof vocclusion. v- vCORRECT vANS✔✔D. vachieve va vmore vfavorable vdirection
distribution vof vforces vof vocclusion.
Which vcondition vhas vNOT vbeen vassociated vwith
Candida valbicans vinfection?
A. vMedian vrhomboid vglossitis.
B. vAngular vcheilitis.
C. vDenture vstomatitis.
D. vAphthous vulcerations.
E. vOral vhairy vleukoplakia. v- vCORRECT vANS✔✔D. vAphthous vulcerations.
Which vof vthe vfollowing vis vessential vfor vsuccessful
periodontal vtreatment?
A. vScaling.
B. vFinal vevaluation vand vmaintenance von va voneyear
recall.
C. vPeriodontal vflap vsurgery.
D. vElimination vof vlocal vetiologic vfactors. v- vCORRECT vANS✔✔D. vElimination vof vlocal vetiologic
If va vcomplete vmandibular vdenture vcauses va vburning
sensation vin vthe vpremolar vregion, vthis vis vdue vto vthe
denture vexerting vpressure vin/on vthe
,E. vStaphylococcus valbus. v- vCORRECT vANS✔✔A. vStreptococcus vviridans.
The vpredominant vtype vof vmovement vproduced vby va
finger vspring von va vremovable vappliance vis
A. vtorque.
B. vtipping.
C. vrotation.
D. vtranslation. v- vCORRECT vANS✔✔B. vtipping.
Epinephrine vshould vbe vadministered vimmediately vin
which vof vthe vfollowing vemergencies?
A. vA vsevere vangina vattack.
B. vA vmild vasthmatic vattack.
C. vSevere vanaphylaxis.
D. vSevere vhypotension v- vCORRECT vANS✔✔C. vSevere vanaphylaxis.
The vlocation vand vextent vof vsubgingival vcalculus vis
most vaccurately vdetermined vclinically vby
A. vradiopaque vsolution vused vin vconjunction vwith
radiographs.
B. vdisclosing vsolution.
C. vprobing vwith va vfine vinstrument.
D. vvisual vinspection v- vCORRECT vANS✔✔C. vprobing vwith va vfine vinstrument.
Endotoxin vis
A. va vcell vwall vcomponent vof vgram-negative
bacteria.
B. va vpotent vinflammatory vagent.
C. vpresent vin vdiseased vroot vcementum.
D. vAll vof vthe vabove. v- vCORRECT vANS✔✔D. vAll vof vthe vabove.
In vinhalation vanalgesia, vwhat vis vthe vsafe vmaximal
nitrous voxide vconcentration vthat vcan vbe vdelivered?
A. v50%.
B. v60%.
C. v70%.
D. v80%. v- vCORRECT vANS✔✔C. v70%.
The vbond vbetween vporcelain vand vmetal vin va
ceramometal v(porcelain vbonded vto vmetal) vcrown vis
A. vchemical.
B. vmechanical.
C. vequally vchemical vand vmechanical.
D. vneither vchemical vnor vmechanical. v- vCORRECT vANS✔✔A. vchemical.
The vpredominant vimmunoglobulin visolated vfrom
saliva vis
A. vIgG.
B. vIgM.
C. vIgA.
D. vIgD. v- vCORRECT vANS✔✔C. vIgA.
Soft vtissue vpockets vCANNOT vbe vreduced vby
A. vocclusal vadjustment.
B. vscaling vand vroot vplaning v(debridement).
, Increased voverjet, vmoderate vfacial vconvexity vand va
deep vlabio-mental vsulcus vis vmost vcharacteristic vof
which vfacial vtype?
A. vPrognathic.
B. vOrthognathic.
C. vRetrognathic. v- vCORRECT vANS✔✔C. vRetrognathic.
Needle vdeflection vincreases vas
A. vdepth vof vinjection vincreases.
B. vneedle vlength vincreases.
C. vneedle vgauge vdecreases.
D. vAll vof vthe vabove. v- vCORRECT vANS✔✔D. vAll vof vthe vabove.
Acute vor vsubacute vsuppurative vosteomyelitis voccurs
most vfrequently vin vthe
A. vanterior vmaxilla.
B. vposterior vmandible.
C. vposterior vmaxilla.
D. vanterior vmandible. v- vCORRECT vANS✔✔B. vposterior vmandible.
The vline vdrawn vthrough vthe vocclusal vrests vof vtwo
principal vabutments vis
A. vsurvey vline.
B. vterminal vline.
C. vaxis vof vrotation/fulcrum vline.
D. vline vof vgreatest vtorque. v- vCORRECT vANS✔✔C. vaxis vof vrotation/fulcrum vline.
Intraoral vsoft vtissue vexamination vwill vNOT vassist vin
the vdiagnosis vof
A. vlichen vplanus.
B. vsinusitis.
C. verythema vmultiforme.
D. vanemia.
E. vvitamin vdeficiencies v- vCORRECT vANS✔✔B. vsinusitis.
An vanxious v67 vyear vold vpatient vpresents vfor
consultation vto vextract vtooth v4.6. vThe vmedical vhistory
includes va vheart vmurmur, vhypertension vand va
cerebrovascular vaccident v5 vyears vago. vMedications
include vclopidrogel, vhydrochlorothiazide vand
rosuvastatin. vWhat vis vthe vmost vappropriate
preoperative vmanagement?
A. vPrescribing vantibiotic vprophylaxis.
B. vOrdering van vINR vtest vwithin v24 vhours vprior vto
procedure.
C. vDiscussing vwith vthe vpatient vthe vuse vof vsedation.
D. vRequesting va vcomplete vblood vcount. v- vCORRECT vANS✔✔C. vDiscussing vwith vthe vpatient v
Which vof vthe vfollowing vimproves vthe vprognosis vof
pulp vvitality vafter vindirect vpulp vcapping?
A. vUse vof vcalcium vhydroxide.
B. vHaving va vwell vsealed vrestoration.
C. vReducing vother vtraumas vto vthe vpulp.
D. vRemoving vall vdemineralized vdentin. v- vCORRECT vANS✔✔B. vHaving va vwell vsealed vrestorat
CORRECT ANSWERS GRADED A
The vprincipal vreason vfor va vcavosurface vbevel von van
inlay vpreparation vis vto
A. vremove vundermined venamel.
B. vimprove vmarginal vadaptation.
C. vdecrease vmarginal vpercolation.
D. vincrease vresistance vand vretention vforms. v- vCORRECT vANS✔✔B. vimprove vmarginal vadapta
Lichen vplanus voccurs vmost vfrequently von vthe
A. vbuccal vmucosa.
B. vtongue.
C. vfloor vof vthe vmouth.
D. vgingiva. v- vCORRECT vANS✔✔A. vbuccal vmucosa.
The vpulpal vfloor vof va vClass vII vcavity vis vcut
perpendicular vto vthe vlong vaxis vof vthe vtooth vEXCEPT
in vthe
A. vmaxillary vfirst vpremolar.
B. vmaxillary vsecond vpremolar.
C. vmandibular vsecond vpremolar.
D. vmandibular vfirst vpremolar. v- vCORRECT vANS✔✔D. vmandibular vfirst vpremolar.
Upon vexamination vof van vedentulous vpatient, vit vis
observed vthat vthe vtuberosities vcontact vthe vretromolar
pads vat vthe vcorrect vocclusal vvertical vdimension. vThe
treatment vof vchoice vis vto
A. vreduce vthe vretromolar vpads vsurgically vto
provide vthe vnecessary vclearance.
B. vreduce vthe vtuberosities vsurgically vto vprovide vthe
necessary vclearance.
C. vconstruct vnew vdentures vat van vincreased vocclusal
vertical vdimension vto vgain vthe vnecessary
clearance.
,D. vcooling vthe vglass vmixing vslab. v- vCORRECT vANS✔✔D. vcooling vthe vglass vmixing vslab.
What vis vthe vmost vlikely vdiagnosis vof va vwhite vlesion
on vthe vretromolar vpad vopposing va vnon-functional
molar?
A. vAlveolar vridge vkeratosis.
B. vCandidiasis.
C. vLichen vplanus.
D. vSquamous vcell vcarcinoma v- vCORRECT vANS✔✔A. vAlveolar vridge vkeratosis
Which vof vthe vfollowing vis vthe vmost vlikely vcause vof
osteoporosis, vglaucoma, vhypertension vand vpeptic
ulcers vin va v65 vyear vold vwith vCrohn's vdisease?
A. vUncontrolled vdiabetes.
B. vSystemic vcorticosteroid vtherapy.
C. vChronic vrenal vfailure.
D. vProlonged vNSAID vtherapy.
E. vMalabsorption vsyndrome. v- vCORRECT vANS✔✔B. vSystemic vcorticosteroid vtherapy.
A vhinge vaxis vfacebow vrecords
A. vBennett vangle.
B. vcentric vrelation.
C. vlateral vcondylar vinclination.
D. vhorizontal vcondylar vinclination.
E. vopening vand vclosing vaxis vof vthe vmandible. v- vCORRECT vANS✔✔E. vopening vand vclosing va
The vmost vimportant vobjective vof vocclusal vadjustment
of va vnatural vdentition vis vto
A. vprevent vtemporomandibular vjoint vsyndrome.
B. vincrease vthe vshearing vaction vin vmastication.
C. vimprove voral vhygiene vby vpreventing vfood
impaction.
D. vachieve va vmore vfavorable vdirection vand
distribution vof vforces vof vocclusion. v- vCORRECT vANS✔✔D. vachieve va vmore vfavorable vdirection
distribution vof vforces vof vocclusion.
Which vcondition vhas vNOT vbeen vassociated vwith
Candida valbicans vinfection?
A. vMedian vrhomboid vglossitis.
B. vAngular vcheilitis.
C. vDenture vstomatitis.
D. vAphthous vulcerations.
E. vOral vhairy vleukoplakia. v- vCORRECT vANS✔✔D. vAphthous vulcerations.
Which vof vthe vfollowing vis vessential vfor vsuccessful
periodontal vtreatment?
A. vScaling.
B. vFinal vevaluation vand vmaintenance von va voneyear
recall.
C. vPeriodontal vflap vsurgery.
D. vElimination vof vlocal vetiologic vfactors. v- vCORRECT vANS✔✔D. vElimination vof vlocal vetiologic
If va vcomplete vmandibular vdenture vcauses va vburning
sensation vin vthe vpremolar vregion, vthis vis vdue vto vthe
denture vexerting vpressure vin/on vthe
,E. vStaphylococcus valbus. v- vCORRECT vANS✔✔A. vStreptococcus vviridans.
The vpredominant vtype vof vmovement vproduced vby va
finger vspring von va vremovable vappliance vis
A. vtorque.
B. vtipping.
C. vrotation.
D. vtranslation. v- vCORRECT vANS✔✔B. vtipping.
Epinephrine vshould vbe vadministered vimmediately vin
which vof vthe vfollowing vemergencies?
A. vA vsevere vangina vattack.
B. vA vmild vasthmatic vattack.
C. vSevere vanaphylaxis.
D. vSevere vhypotension v- vCORRECT vANS✔✔C. vSevere vanaphylaxis.
The vlocation vand vextent vof vsubgingival vcalculus vis
most vaccurately vdetermined vclinically vby
A. vradiopaque vsolution vused vin vconjunction vwith
radiographs.
B. vdisclosing vsolution.
C. vprobing vwith va vfine vinstrument.
D. vvisual vinspection v- vCORRECT vANS✔✔C. vprobing vwith va vfine vinstrument.
Endotoxin vis
A. va vcell vwall vcomponent vof vgram-negative
bacteria.
B. va vpotent vinflammatory vagent.
C. vpresent vin vdiseased vroot vcementum.
D. vAll vof vthe vabove. v- vCORRECT vANS✔✔D. vAll vof vthe vabove.
In vinhalation vanalgesia, vwhat vis vthe vsafe vmaximal
nitrous voxide vconcentration vthat vcan vbe vdelivered?
A. v50%.
B. v60%.
C. v70%.
D. v80%. v- vCORRECT vANS✔✔C. v70%.
The vbond vbetween vporcelain vand vmetal vin va
ceramometal v(porcelain vbonded vto vmetal) vcrown vis
A. vchemical.
B. vmechanical.
C. vequally vchemical vand vmechanical.
D. vneither vchemical vnor vmechanical. v- vCORRECT vANS✔✔A. vchemical.
The vpredominant vimmunoglobulin visolated vfrom
saliva vis
A. vIgG.
B. vIgM.
C. vIgA.
D. vIgD. v- vCORRECT vANS✔✔C. vIgA.
Soft vtissue vpockets vCANNOT vbe vreduced vby
A. vocclusal vadjustment.
B. vscaling vand vroot vplaning v(debridement).
, Increased voverjet, vmoderate vfacial vconvexity vand va
deep vlabio-mental vsulcus vis vmost vcharacteristic vof
which vfacial vtype?
A. vPrognathic.
B. vOrthognathic.
C. vRetrognathic. v- vCORRECT vANS✔✔C. vRetrognathic.
Needle vdeflection vincreases vas
A. vdepth vof vinjection vincreases.
B. vneedle vlength vincreases.
C. vneedle vgauge vdecreases.
D. vAll vof vthe vabove. v- vCORRECT vANS✔✔D. vAll vof vthe vabove.
Acute vor vsubacute vsuppurative vosteomyelitis voccurs
most vfrequently vin vthe
A. vanterior vmaxilla.
B. vposterior vmandible.
C. vposterior vmaxilla.
D. vanterior vmandible. v- vCORRECT vANS✔✔B. vposterior vmandible.
The vline vdrawn vthrough vthe vocclusal vrests vof vtwo
principal vabutments vis
A. vsurvey vline.
B. vterminal vline.
C. vaxis vof vrotation/fulcrum vline.
D. vline vof vgreatest vtorque. v- vCORRECT vANS✔✔C. vaxis vof vrotation/fulcrum vline.
Intraoral vsoft vtissue vexamination vwill vNOT vassist vin
the vdiagnosis vof
A. vlichen vplanus.
B. vsinusitis.
C. verythema vmultiforme.
D. vanemia.
E. vvitamin vdeficiencies v- vCORRECT vANS✔✔B. vsinusitis.
An vanxious v67 vyear vold vpatient vpresents vfor
consultation vto vextract vtooth v4.6. vThe vmedical vhistory
includes va vheart vmurmur, vhypertension vand va
cerebrovascular vaccident v5 vyears vago. vMedications
include vclopidrogel, vhydrochlorothiazide vand
rosuvastatin. vWhat vis vthe vmost vappropriate
preoperative vmanagement?
A. vPrescribing vantibiotic vprophylaxis.
B. vOrdering van vINR vtest vwithin v24 vhours vprior vto
procedure.
C. vDiscussing vwith vthe vpatient vthe vuse vof vsedation.
D. vRequesting va vcomplete vblood vcount. v- vCORRECT vANS✔✔C. vDiscussing vwith vthe vpatient v
Which vof vthe vfollowing vimproves vthe vprognosis vof
pulp vvitality vafter vindirect vpulp vcapping?
A. vUse vof vcalcium vhydroxide.
B. vHaving va vwell vsealed vrestoration.
C. vReducing vother vtraumas vto vthe vpulp.
D. vRemoving vall vdemineralized vdentin. v- vCORRECT vANS✔✔B. vHaving va vwell vsealed vrestorat
