NDEB EXAM NDEB SOLVED QUESTIONS AND CORRECT ANSWERS GRADED A

NDEB EXAM 2019-2025 NDEB SOLVED
QUESTIONS AND CORRECT
ANSWERS GRADED A




Thea1principala1reasona1fora1aa1cavosurfacea1bevela1ona1an
inlaya1preparationa1isa1to
A.a1removea1undermineda1enamel.
B.a1improvea1marginala1adaptation.
C.a1decreasea1marginala1percolation.
D.a1increasea1resistancea1anda1retentiona1forms.a1-
a1ans✔B.a1improvea1marginala1adaptation.


Lichena1planusa1occursa1mosta1frequentlya1ona1the
A.a1buccala1mucosa.
B.a1tongue.
C.a1floora1ofa1thea1mouth.
D.a1gingiva.a1-a1ans✔A.a1buccala1mucosa.

Thea1pulpala1floora1ofa1aa1Classa1IIa1cavitya1isa1cut
perpendiculara1toa1thea1longa1axisa1ofa1thea1tootha1EXCEPT
ina1the
A.a1maxillarya1firsta1premolar.
B.a1maxillarya1seconda1premolar.
C.a1mandibulara1seconda1premolar.
D.a1mandibulara1firsta1premolar.a1-a1ans✔D.a1mandibulara1firsta1premolar.

Upona1examinationa1ofa1ana1edentulousa1patient,a1ita1is
observeda1thata1thea1tuberositiesa1contacta1thea1retromolar
padsa1ata1thea1correcta1occlusala1verticala1dimension.a1The
treatmenta1ofa1choicea1isa1to
A.a1reducea1thea1retromolara1padsa1surgicallya1to
providea1thea1necessarya1clearance.
B.a1reducea1thea1tuberositiesa1surgicallya1toa1providea1the

,necessarya1clearance.
C.a1constructa1newa1denturesa1ata1ana1increaseda1occlusal
verticala1dimensiona1toa1gaina1thea1necessary
clearance.
D.a1proceeda1witha1constructiona1ofa1thea1denturea1and
reducea1thea1posteriora1extensiona1ofa1the
mandibulara1denturea1toa1eliminatea1interferences.a1-
a1ans✔B.a1reducea1thea1tuberositiesa1surgicallya1toa1providea1the
necessarya1clearance.

Ina1thea1absencea1ofa1"Hanksa1balanceda1salta1solution",
whata1isa1thea1mosta1appropriatea1mediaa1toa1transporta1an
avulseda1tooth?
A.a1Saliva.
B.a1Milk.
C.a1Saline.
D.a1Tapa1water.a1-a1ans✔B.a1Milk.

Thea1settinga1ofa1aa1zinc-phosphatea1cementa1cana1besta1be
retardeda1by
A.a1decreasinga1thea1particlea1size.
B.a1increasinga1thea1concentrationa1ofa1watera1ina1the
liquid.
C.a1increasinga1thea1ratea1ofa1additiona1ofa1thea1powdera1to
thea1liquid.
D.a1coolinga1thea1glassa1mixinga1slab.a1-a1ans✔D.a1coolinga1thea1glassa1mixinga1slab.

Whata1isa1thea1mosta1likelya1diagnosisa1ofa1aa1whitea1lesion
ona1thea1retromolara1pada1opposinga1aa1non-functional
molar?
A.a1Alveolara1ridgea1keratosis.
B.a1Candidiasis.
C.a1Lichena1planus.
D.a1Squamousa1cella1carcinomaa1-a1ans✔A.a1Alveolara1ridgea1keratosis

Whicha1ofa1thea1followinga1isa1thea1mosta1likelya1causea1of
osteoporosis,a1glaucoma,a1hypertensiona1anda1peptic
ulcersa1ina1aa165a1yeara1olda1witha1Crohn'sa1disease?
A.a1Uncontrolleda1diabetes.
B.a1Systemica1corticosteroida1therapy.
C.a1Chronica1renala1failure.
D.a1Prolongeda1NSAIDa1therapy.
E.a1Malabsorptiona1syndrome.a1-a1ans✔B.a1Systemica1corticosteroida1therapy.

Aa1hingea1axisa1facebowa1records
A.a1Bennetta1angle.

,B.a1centrica1relation.
C.a1laterala1condylara1inclination.
D.a1horizontala1condylara1inclination.
E.a1openinga1anda1closinga1axisa1ofa1thea1mandible.a1-
a1ans✔E.a1openinga1anda1closinga1axisa1ofa1thea1mandible.


Thea1mosta1importanta1objectivea1ofa1occlusala1adjustment
ofa1aa1naturala1dentitiona1isa1to
A.a1preventa1temporomandibulara1jointa1syndrome.
B.a1increasea1thea1shearinga1actiona1ina1mastication.
C.a1improvea1orala1hygienea1bya1preventinga1food
impaction.
D.a1achievea1aa1morea1favorablea1directiona1and
distributiona1ofa1forcesa1ofa1occlusion.a1-
a1ans✔D.a1achievea1aa1morea1favorablea1directiona1and
distributiona1ofa1forcesa1ofa1occlusion.

Whicha1conditiona1hasa1NOTa1beena1associateda1with
Candidaa1albicansa1infection?
A.a1Mediana1rhomboida1glossitis.
B.a1Angulara1cheilitis.
C.a1Denturea1stomatitis.
D.a1Aphthousa1ulcerations.
E.a1Orala1hairya1leukoplakia.a1-a1ans✔D.a1Aphthousa1ulcerations.

Whicha1ofa1thea1followinga1isa1essentiala1fora1successful
periodontala1treatment?
A.a1Scaling.
B.a1Finala1evaluationa1anda1maintenancea1ona1aa1oneyear
recall.
C.a1Periodontala1flapa1surgery.
D.a1Eliminationa1ofa1locala1etiologica1factors.a1-
a1ans✔D.a1Eliminationa1ofa1locala1etiologica1factors.


Ifa1aa1completea1mandibulara1denturea1causesa1aa1burning
sensationa1ina1thea1premolara1region,a1thisa1isa1duea1toa1the
denturea1exertinga1pressurea1in/ona1the
A.a1fibresa1ofa1thea1buccinatora1muscle.
B.a1linguala1brancha1ofa1thea1mandibulara1divisiona1of
thea1trigeminala1nerve.
C.a1underlyinga1bone.
D.a1mentala1brancha1ofa1thea1inferiora1alveolara1nerve.
E.a1buccala1frenuma1area.a1-
a1ans✔D.a1mentala1brancha1ofa1thea1inferiora1alveolara1nerve.


Aa1hingea1axisa1facebowa1records

, A.a1Bennetta1angle.
B.a1centrica1relation.
C.a1laterala1condylara1inclination.
D.a1horizontala1condylara1inclination.
E.a1openinga1anda1closinga1axisa1ofa1thea1mandible.a1-
a1ans✔E.a1openinga1anda1closinga1axisa1ofa1thea1mandible.


Whicha1ofa1thea1followinga1microorganismsa1area1most
frequentlya1founda1ina1infecteda1roota1canals?
A.a1Streptococcusa1viridans.
B.a1Staphylococcusa1aureus.
C.a1Lactobacilli.
D.a1Enterococci.
E.a1Staphylococcusa1albus.a1-a1ans✔A.a1Streptococcusa1viridans.

Thea1predominanta1typea1ofa1movementa1produceda1bya1a
fingera1springa1ona1aa1removablea1appliancea1is
A.a1torque.
B.a1tipping.
C.a1rotation.
D.a1translation.a1-a1ans✔B.a1tipping.

Epinephrinea1shoulda1bea1administereda1immediatelya1in
whicha1ofa1thea1followinga1emergencies?
A.a1Aa1severea1anginaa1attack.
B.a1Aa1milda1asthmatica1attack.
C.a1Severea1anaphylaxis.
D.a1Severea1hypotensiona1-a1ans✔C.a1Severea1anaphylaxis.

Thea1locationa1anda1extenta1ofa1subgingivala1calculusa1is
mosta1accuratelya1determineda1clinicallya1by
A.a1radiopaquea1solutiona1useda1ina1conjunctiona1with
radiographs.
B.a1disclosinga1solution.
C.a1probinga1witha1aa1finea1instrument.
D.a1visuala1inspectiona1-a1ans✔C.a1probinga1witha1aa1finea1instrument.

Endotoxina1is
A.a1aa1cella1walla1componenta1ofa1gram-negative
bacteria.
B.a1aa1potenta1inflammatorya1agent.
C.a1presenta1ina1diseaseda1roota1cementum.
D.a1Alla1ofa1thea1above.a1-a1ans✔D.a1Alla1ofa1thea1above.

Ina1inhalationa1analgesia,a1whata1isa1thea1safea1maximal
nitrousa1oxidea1concentrationa1thata1cana1bea1delivered?