EFDA Board Exam With Correct Questions
And Answers 2024
Which gof gthe gfollowing gis gthe ghardest gtissue gin gthe gbody?
A. gBone
B. gCementum
C. gEnamel
D. gDentin g- gcorrect ganswer.C. gEnamel
Enamel gis g95-96%
A. gOrganic
B. gInorganic g- gcorrect ganswer.B. gInorganic
Which gof gthe gfollowing gis gnot ga glegal gduty gfor gan gEFDA gin gOhio?
A. gPlace gmedication gin gpulp gchambers gof ga gtooth gwith ga gdevital gpulp.
B. gPlace gand gremove gsurgical gdressings.
C. gPerform ga gtherapeutic gintraoral gadjustment gof ga gfixed gbridge
D. gElect gthe gshade gfor gthe gfabrication gof ga gporcelain gveneer gcrown. g- gcorrect ganswer.C.
gPerform ga gtherapeutic gintraoral gadjustment gof ga gfixed gbridge
Nam gether gpremolar gmost glikely gto ghave gthere gcusps:
A. gMN gfirst gpremolar
B. gMN gsecond gpremolar
C. gMX gfirst gpremolar
D. gMX gsecond gpremolar g- gcorrect ganswer.B. gMN gsecond gpremolar
Pins gcan gbe gused gduring gthe gplacement gof ga glarge grestoration. gWhere gand gwhy gare
gpins gplaced?
A. gwithin genamel gfor gimproved gretention
B. gWithin gdentin gfor gimproved gretention
C. gWithin genamel gfor gincreased gesthetics
D. gWithin gdentin gand genamel, gfor gimproved gretention g- gcorrect ganswer.B. gWithin gdentin
gfor gimproved gretention
Some gamalgam gbrands gare gconsidered gto ghave ghigh gcopper gcontent. gWhat gwould gbe
gthe gbenefit gof gthis gtype gof gamalgam?
A. gIncrease gin ggamma gII gphase
B. gDecreased gcreep
,C. gIncreased gcorrosion
D. gDecreased gdelayed gexpansion g- gcorrect ganswer.B. gDecreased gcreep
High gcopper gamalgam gcontent gresults gin:
A. gIncreased gstrength
B. gDecreased gcorrosion
C. gDecreased gcreep
D. gDecreased ggamma gII
E. gOnly gA gand gD
F. gAll gof gthe gabove g- gcorrect ganswer.F. gAll gof gthe gabove
Composites gthat gare gconsidered gto gbe gconventional ghave gwhat gtypes gof gqualities?
A. gLarge gfiller gparticles gfor gincreased gstrength g
B. gSmall gfiller gparticles gfor gincreased gpolishability
C. gBest gtype gof gcomposite gfor ganterior grestorations
D. gInclude gnano gfill gand gmicro gfilled gparticles g- gcorrect ganswer.A. gLarge gfiller gparticles
gfor gincreased gstrength g
Conventional=Macrofilled
Where gis gthe gcontact gof gposterior gteeth glocated gwhen gviewing gfrom gthe gbuccal?
A. gJust gbuccal gto gthe gmidline
B. gJust glingual gto gthe gmidline
C. gIn gthe gmiddle gto gocclusal gthird
D. gIn gthe gmiddle gto ggingival gthird g- gcorrect ganswer.C. gIn gthe gmiddle gto gocclusal gthird
Choose gthe gcorrect gorder gof gsteps gwhen gplacing ga gclass gIII gcomposite gwith ga grubber
gdam:
A. gPlace gthe grubber gdam, gchoose gthe gcomposite gshade, gplace ga gmylar gstrip
B. gChoose gthe gcomposite gshade, gplace gthe gmylar gstrip, gplace gthe grubber gdam
C. gChoose gthe gcomposite gshade, gplace gthe grubber gdam, gplace gthe gmylar gstrip
D. gPlace gthe grubber gdam, gplace ga gmylar gstrip, gchoose gthe gcomposite gshade. g- gcorrect
ganswer.C. gChoose gthe gcomposite gshade, gplace gthe grubber gdam, gplace gthe gmylar gstrip
Mylar gstrips gare gplaced g__________ gacid getch.
A. gBefore
B. gAfter g- gcorrect ganswer.A. gBefore
Which gof gthe gfollowing gis ga gsituation gwhere ga gliner gand/or gbase gwould gnot gbe gindicated
gfor ga gclass gII grestoration?
A. gThe gplural gfloor gis gprepared gat gideal gdepth
B. gThe gaxial gwall gis gconcave gdue gto gthe gremoval gof gextensive gdecay
C. gThere gis ga gnear gpulp gexposure
D. gThe ggingival gfloor gis gsubgingival g- gcorrect ganswer.A. gThe gplural gfloor gis gprepared gat
gideal gdepth
, All gof gthe gfollowing gare gcharacteristics gof gglass gionomers gexcept:
A. gChemically gbonds gto gdentin
B. gUnaffected gby gmoisture gwhen gplacing
C. gReleases gfluoride
D. gUsed gas ga gcement, gbase, gliner gor gpermanent grestoration g- gcorrect ganswer.B.
gUnaffected gby gmoisture gwhen gplacing
When gusing ga gclamp gfor gretraction, gwhy gshould ga gfloss gligature gbe gtied gto git?
A. gTo guse gto gcheck gthe gcontact gof gthe grestoration gyou gare gplacing
B. gTo gadd gin gthe gplacement gand gremoval gof gthe gclamp
C. gTo gprevent gbreakage gof gthe gclamp
D. gTo gprevent gswallowing gor gaspiration gof gthe gclamp g- gcorrect ganswer.D. gTo gprevent
gswallowing gor gaspiration gof gthe gclamp
An gopen gmargin gon ga grestoration gcould gresult gin gwhich gof gthe gfollowing?
A. gPolymerization
B. gDessication
C. gPercolation
D. gCondensation g- gcorrect ganswer.C. gPercolation
Which gof gthe gfollowing gis gover gdrying gof gdentin?
A. gPolymerization
B. gDessication
C. gPercolation
D. gCondensation g- gcorrect ganswer.B. gDessication
When gis gthe gmercury grich glayer gof gthe gamalgam gcalled gplash gremoved?
A. gDuring gtrituration
B. gDuring gcarving
C. gDuring gfinish gand gpolish
D. gIt gshould gnot gbe gremoved g- gcorrect ganswer.B. gDuring gcarving
Plash gresults gin ga gstronger gamalgam.
A. gTrue
B. gFalse g- gcorrect ganswer.B. gFalse
Most gamalgam gcontains gwhat gprecent gof gmercury?
A. gUnder g30%
B. g30-40%
C. g50-55%
D. gOver g71% g- gcorrect ganswer.C. g50-55%
1/2 gmercury, g1/2 galloy gpowder
What gwill gthe gamalgam glook glike gif gthe gcapsule gdid gnot gcontain genough gmercury gto gmix
gwith gthe gpowder galloy?
And Answers 2024
Which gof gthe gfollowing gis gthe ghardest gtissue gin gthe gbody?
A. gBone
B. gCementum
C. gEnamel
D. gDentin g- gcorrect ganswer.C. gEnamel
Enamel gis g95-96%
A. gOrganic
B. gInorganic g- gcorrect ganswer.B. gInorganic
Which gof gthe gfollowing gis gnot ga glegal gduty gfor gan gEFDA gin gOhio?
A. gPlace gmedication gin gpulp gchambers gof ga gtooth gwith ga gdevital gpulp.
B. gPlace gand gremove gsurgical gdressings.
C. gPerform ga gtherapeutic gintraoral gadjustment gof ga gfixed gbridge
D. gElect gthe gshade gfor gthe gfabrication gof ga gporcelain gveneer gcrown. g- gcorrect ganswer.C.
gPerform ga gtherapeutic gintraoral gadjustment gof ga gfixed gbridge
Nam gether gpremolar gmost glikely gto ghave gthere gcusps:
A. gMN gfirst gpremolar
B. gMN gsecond gpremolar
C. gMX gfirst gpremolar
D. gMX gsecond gpremolar g- gcorrect ganswer.B. gMN gsecond gpremolar
Pins gcan gbe gused gduring gthe gplacement gof ga glarge grestoration. gWhere gand gwhy gare
gpins gplaced?
A. gwithin genamel gfor gimproved gretention
B. gWithin gdentin gfor gimproved gretention
C. gWithin genamel gfor gincreased gesthetics
D. gWithin gdentin gand genamel, gfor gimproved gretention g- gcorrect ganswer.B. gWithin gdentin
gfor gimproved gretention
Some gamalgam gbrands gare gconsidered gto ghave ghigh gcopper gcontent. gWhat gwould gbe
gthe gbenefit gof gthis gtype gof gamalgam?
A. gIncrease gin ggamma gII gphase
B. gDecreased gcreep
,C. gIncreased gcorrosion
D. gDecreased gdelayed gexpansion g- gcorrect ganswer.B. gDecreased gcreep
High gcopper gamalgam gcontent gresults gin:
A. gIncreased gstrength
B. gDecreased gcorrosion
C. gDecreased gcreep
D. gDecreased ggamma gII
E. gOnly gA gand gD
F. gAll gof gthe gabove g- gcorrect ganswer.F. gAll gof gthe gabove
Composites gthat gare gconsidered gto gbe gconventional ghave gwhat gtypes gof gqualities?
A. gLarge gfiller gparticles gfor gincreased gstrength g
B. gSmall gfiller gparticles gfor gincreased gpolishability
C. gBest gtype gof gcomposite gfor ganterior grestorations
D. gInclude gnano gfill gand gmicro gfilled gparticles g- gcorrect ganswer.A. gLarge gfiller gparticles
gfor gincreased gstrength g
Conventional=Macrofilled
Where gis gthe gcontact gof gposterior gteeth glocated gwhen gviewing gfrom gthe gbuccal?
A. gJust gbuccal gto gthe gmidline
B. gJust glingual gto gthe gmidline
C. gIn gthe gmiddle gto gocclusal gthird
D. gIn gthe gmiddle gto ggingival gthird g- gcorrect ganswer.C. gIn gthe gmiddle gto gocclusal gthird
Choose gthe gcorrect gorder gof gsteps gwhen gplacing ga gclass gIII gcomposite gwith ga grubber
gdam:
A. gPlace gthe grubber gdam, gchoose gthe gcomposite gshade, gplace ga gmylar gstrip
B. gChoose gthe gcomposite gshade, gplace gthe gmylar gstrip, gplace gthe grubber gdam
C. gChoose gthe gcomposite gshade, gplace gthe grubber gdam, gplace gthe gmylar gstrip
D. gPlace gthe grubber gdam, gplace ga gmylar gstrip, gchoose gthe gcomposite gshade. g- gcorrect
ganswer.C. gChoose gthe gcomposite gshade, gplace gthe grubber gdam, gplace gthe gmylar gstrip
Mylar gstrips gare gplaced g__________ gacid getch.
A. gBefore
B. gAfter g- gcorrect ganswer.A. gBefore
Which gof gthe gfollowing gis ga gsituation gwhere ga gliner gand/or gbase gwould gnot gbe gindicated
gfor ga gclass gII grestoration?
A. gThe gplural gfloor gis gprepared gat gideal gdepth
B. gThe gaxial gwall gis gconcave gdue gto gthe gremoval gof gextensive gdecay
C. gThere gis ga gnear gpulp gexposure
D. gThe ggingival gfloor gis gsubgingival g- gcorrect ganswer.A. gThe gplural gfloor gis gprepared gat
gideal gdepth
, All gof gthe gfollowing gare gcharacteristics gof gglass gionomers gexcept:
A. gChemically gbonds gto gdentin
B. gUnaffected gby gmoisture gwhen gplacing
C. gReleases gfluoride
D. gUsed gas ga gcement, gbase, gliner gor gpermanent grestoration g- gcorrect ganswer.B.
gUnaffected gby gmoisture gwhen gplacing
When gusing ga gclamp gfor gretraction, gwhy gshould ga gfloss gligature gbe gtied gto git?
A. gTo guse gto gcheck gthe gcontact gof gthe grestoration gyou gare gplacing
B. gTo gadd gin gthe gplacement gand gremoval gof gthe gclamp
C. gTo gprevent gbreakage gof gthe gclamp
D. gTo gprevent gswallowing gor gaspiration gof gthe gclamp g- gcorrect ganswer.D. gTo gprevent
gswallowing gor gaspiration gof gthe gclamp
An gopen gmargin gon ga grestoration gcould gresult gin gwhich gof gthe gfollowing?
A. gPolymerization
B. gDessication
C. gPercolation
D. gCondensation g- gcorrect ganswer.C. gPercolation
Which gof gthe gfollowing gis gover gdrying gof gdentin?
A. gPolymerization
B. gDessication
C. gPercolation
D. gCondensation g- gcorrect ganswer.B. gDessication
When gis gthe gmercury grich glayer gof gthe gamalgam gcalled gplash gremoved?
A. gDuring gtrituration
B. gDuring gcarving
C. gDuring gfinish gand gpolish
D. gIt gshould gnot gbe gremoved g- gcorrect ganswer.B. gDuring gcarving
Plash gresults gin ga gstronger gamalgam.
A. gTrue
B. gFalse g- gcorrect ganswer.B. gFalse
Most gamalgam gcontains gwhat gprecent gof gmercury?
A. gUnder g30%
B. g30-40%
C. g50-55%
D. gOver g71% g- gcorrect ganswer.C. g50-55%
1/2 gmercury, g1/2 galloy gpowder
What gwill gthe gamalgam glook glike gif gthe gcapsule gdid gnot gcontain genough gmercury gto gmix
gwith gthe gpowder galloy?
