EFDA Review Questions And Answers
What mis mthe manatomical mcrown? m- mAnswer m- mThe mportion mthat mextends mfrom mthe mincisal
mor mocclusal msurface mto mthe menamel's mjunction mwith mthe mcementum mof mthe mroot
What mis mthe mclinical mcrown? m- mAnswer m- mThe mvisible mportion mof mthe manatomical mcrown
mextending mfrom mthe mcrest mof mthe msoft mtissue mand mincludes mthe mocclusal msurface mor mincisal
medge
What mis mthe mcementoenamel mjunction m(cervical mline)? m- mAnswer m- mA mslight mconstriction mthat
mencircles mthe mtooth, mdipping mapically mon mthe mfacial mand mlingual msurfaces mand mrising
mcoronally mon mthe mproximal msurfaces
What mis mthe mfunction mof mthe manterior mteeth? m- mAnswer m- mTo mtear mor mincise mfood
What mis mthe mfunction mof mthe mposterior mteeth? m- mAnswer m- mShaped mwith mbroad mbiting mand
mconvex msurfaces mthat mgrind mfood
Where mis mthe mfurrow? m- mAnswer m- mCoronal mto mthe mactual mdivision minto mtwo mor mmore
mroots mis ma mconcavity mthat mextends mto mor mnearly mto mthe mcementoenamel mjunction
Define mcontact marea m- mAnswer m- mThe mpoint mor marea mwhere mapproximating mteeth min mthe
msame march mtouch mor mmeet meach mother
What mis mthe mfunctions mof mthe mcontact marea? m- mAnswer m- mTo mkeep mfood mfrom mpackaging
mbetween mthe mteeth mand mto mhelp mstabilize mthe mdental marches mby mcombining mthe manchorage
mof mall mteeth min meither march
What mis man membrasure? m- mAnswer m- mThe mspaces madjacent mto mand msurrounding mthe mcontact
mof mthe mteeth min mthe msame march
,Where mis menamel mthe mthickest? m- mAnswer m- mAt mthe mincisal mor mocclusal mareas
What mis menamel's mcomposition? m- mAnswer m- m95% minorganic mmatter, mmainly mhydroxyapatite,
mand m5% morganic mmatter mand mwater
______ mis mthe mhardest mtissue min mthe mbody m- mAnswer m- mEnamel
____ mis mthe msecond mhardest mmaterial min mthe mbody m- mAnswer m- mDentin
_____ mprovides msupport mfor menamel mand mincreases min mhardness mas mit mages m- mAnswer m-
mDentin
When mscratching mdentin mwith man mexplorer, mit mexhibits ma m____ msound mopposed mto mthe
msharp mhigher mpitch mof menamel m- mAnswer m- mDull
Dentin mis mcomposed mof m- mAnswer m- m70% minorganic mmatter, m20% morganic mmatter, mand m10%
mwater
Primary mdentin m- mAnswer m- mIs mproduced mbefore mthe mtooth merupts mand mshortly mafter
meruption
Secondary mdentin m- mAnswer m- mIs ma mcontinuation mof mprimary mdentin mthat mforms mat ma
mslower mrate mas mthe mtooth mages mand mthroughout mthe mlife mof mthe mtooth
Reparative/Tertiary mdentin m- mAnswer m- mForms mrapidly mwhen mthe mtooth mhas mreceived man
mexcessive mstimulus mfrom mcaries, mcavity mpreparation, mor mother mtrauma
___ mis mthe mhard mdental mtissue mcovering mthe manatomical mroots mof mthe mteeth m- mAnswer m-
mCementum
,What mhas mthe mhighest mfluoride mcontent mof mall mthe mmaterialized mtissue? m- mAnswer m-
mCementum
___ mhas mno mblood msupply mof mits mown, mbut mderives mits mnutrition mfrom mthe mperiodontal
mligament m- mAnswer m- mCementum
What mcementum mcannot mreplace mitself mif mit mis mdiseased mor mhas mbeen mremoved
mmechanically? m- mAnswer m- mAcellular
____ mcementum mextends mfrom mthe mcementoenamel mjunction mtoward mthe mroot mapex mcovering
ma mlarge mportion mof mthe mroot. mThin mtoward mthe mcementoenamel mjunction mand mthick mtoward
mthe mroot mapex m- mAnswer m- mAcellular
What mis mthe mfourth mhardest mmaterial min mthe mbody? m- mAnswer m- mCementum
___ mcementum mof mthe mapex mof mthe mroot mis mmade mof mcells mthat mare mactively mproducing
mnew mlayers mof mcementum mthroughout mthe mlife mof mthe mtooth m- mAnswer m- mCellular
The mpulp mserves mfunctions msuch mas m- mAnswer m- mFormative/Developmental, mNutritive,
mSensory, mDefensive/Protective
What mfunction mprovides msensory mnerve mfibers mwithin mthe mpulp mto mmediate mthe msensation
mof mpain? m- mAnswer m- mSensory
What mfunction mis mrelated mto mits mresponse mto mirritation mby mmechanical, mthermal, mchemical,
mbacterial mstimuli? m- mAnswer m- mDefensive
Irritation msuch mas mtooth mfracture, mgrinding mof mteeth/bruxism, mcavity mpreparation mor mchemical
mirritation mcan mcause m- mAnswer m- mDegeneration mand mdeath mof mthe minvolved mcells
What mfunction msupplies mnutrients mand mfluids mto mthe mdentin mthrough mthe mblood msupply? m-
mAnswer m- mNutritive
, What mcan mcause mthe mpulp mto mbe mharmed? m- mAnswer m- mSterilizing, mcleaning, mdrying mand
mdesensitizing magents, mtemperatures, mair, mpressure, msome mcavity mliners, msome
mtemp/permanent mrestorative mmaterials
What mis ma mmajor mdevelopmental mconvexity mon mor mnear mthe mocclusal msurface mof ma mposterior
mteeth? m- mAnswer m- mCusp
Which mteeth musually mhave mfour mcusps? m- mAnswer m- mMaxillary mfirst mand msecond mmolars mand
mmandibular msecond mmolars
What mtooth mis munique min mthat mit malso mhas ma msmall mfifth mcusp mnear mthe mdistobuccal mline
mangle mknown mas ma mdistal mcusp m- mAnswer m- mMandibular mfirst mmolar
What mtooth mmay malso mhave ma mfifth mcusp mon mthe mlingual msurface m- mAnswer m- mMaxillary
mfirst mmolar
___ mis many mlinear melevation mon mthe msurface mof ma mtooth m- mAnswer m- mRidge
What mridge mis mat mthe medge mof mall manterior mteeth? m- mAnswer m- mIncisal
What mis mthe mmarginal mridge mof mmolars m& mpremolars? m- mAnswer m- mThe mrounded mborders
mof menamel mthat mforms mthe mmesial mand mdistal mboundaries mof mthe mocclusal msurface
What mis mthe mmarginal mridge mof mincisors m& mcuspids? m- mAnswer m- mThe mmesial mand mdistal
mboundaries mof mthe mlingual msurfaces
What mis ma mtriangular mridge? m- mAnswer m- mA mridge mon ma mmolar mor mpremolar mthat mdescends
mfrom mthe mtips mof mthe mcusps mtowards mthe mcentral mpart mof mthe mocclusal msurface
What mis ma mtransverse mridge? m- mAnswer m- mThe mridge mformed mby mthe munion mof mtwo
mtriangular mridges mthat mextend macross mthe msurface mof mposterior mteeth
What mis mthe manatomical mcrown? m- mAnswer m- mThe mportion mthat mextends mfrom mthe mincisal
mor mocclusal msurface mto mthe menamel's mjunction mwith mthe mcementum mof mthe mroot
What mis mthe mclinical mcrown? m- mAnswer m- mThe mvisible mportion mof mthe manatomical mcrown
mextending mfrom mthe mcrest mof mthe msoft mtissue mand mincludes mthe mocclusal msurface mor mincisal
medge
What mis mthe mcementoenamel mjunction m(cervical mline)? m- mAnswer m- mA mslight mconstriction mthat
mencircles mthe mtooth, mdipping mapically mon mthe mfacial mand mlingual msurfaces mand mrising
mcoronally mon mthe mproximal msurfaces
What mis mthe mfunction mof mthe manterior mteeth? m- mAnswer m- mTo mtear mor mincise mfood
What mis mthe mfunction mof mthe mposterior mteeth? m- mAnswer m- mShaped mwith mbroad mbiting mand
mconvex msurfaces mthat mgrind mfood
Where mis mthe mfurrow? m- mAnswer m- mCoronal mto mthe mactual mdivision minto mtwo mor mmore
mroots mis ma mconcavity mthat mextends mto mor mnearly mto mthe mcementoenamel mjunction
Define mcontact marea m- mAnswer m- mThe mpoint mor marea mwhere mapproximating mteeth min mthe
msame march mtouch mor mmeet meach mother
What mis mthe mfunctions mof mthe mcontact marea? m- mAnswer m- mTo mkeep mfood mfrom mpackaging
mbetween mthe mteeth mand mto mhelp mstabilize mthe mdental marches mby mcombining mthe manchorage
mof mall mteeth min meither march
What mis man membrasure? m- mAnswer m- mThe mspaces madjacent mto mand msurrounding mthe mcontact
mof mthe mteeth min mthe msame march
,Where mis menamel mthe mthickest? m- mAnswer m- mAt mthe mincisal mor mocclusal mareas
What mis menamel's mcomposition? m- mAnswer m- m95% minorganic mmatter, mmainly mhydroxyapatite,
mand m5% morganic mmatter mand mwater
______ mis mthe mhardest mtissue min mthe mbody m- mAnswer m- mEnamel
____ mis mthe msecond mhardest mmaterial min mthe mbody m- mAnswer m- mDentin
_____ mprovides msupport mfor menamel mand mincreases min mhardness mas mit mages m- mAnswer m-
mDentin
When mscratching mdentin mwith man mexplorer, mit mexhibits ma m____ msound mopposed mto mthe
msharp mhigher mpitch mof menamel m- mAnswer m- mDull
Dentin mis mcomposed mof m- mAnswer m- m70% minorganic mmatter, m20% morganic mmatter, mand m10%
mwater
Primary mdentin m- mAnswer m- mIs mproduced mbefore mthe mtooth merupts mand mshortly mafter
meruption
Secondary mdentin m- mAnswer m- mIs ma mcontinuation mof mprimary mdentin mthat mforms mat ma
mslower mrate mas mthe mtooth mages mand mthroughout mthe mlife mof mthe mtooth
Reparative/Tertiary mdentin m- mAnswer m- mForms mrapidly mwhen mthe mtooth mhas mreceived man
mexcessive mstimulus mfrom mcaries, mcavity mpreparation, mor mother mtrauma
___ mis mthe mhard mdental mtissue mcovering mthe manatomical mroots mof mthe mteeth m- mAnswer m-
mCementum
,What mhas mthe mhighest mfluoride mcontent mof mall mthe mmaterialized mtissue? m- mAnswer m-
mCementum
___ mhas mno mblood msupply mof mits mown, mbut mderives mits mnutrition mfrom mthe mperiodontal
mligament m- mAnswer m- mCementum
What mcementum mcannot mreplace mitself mif mit mis mdiseased mor mhas mbeen mremoved
mmechanically? m- mAnswer m- mAcellular
____ mcementum mextends mfrom mthe mcementoenamel mjunction mtoward mthe mroot mapex mcovering
ma mlarge mportion mof mthe mroot. mThin mtoward mthe mcementoenamel mjunction mand mthick mtoward
mthe mroot mapex m- mAnswer m- mAcellular
What mis mthe mfourth mhardest mmaterial min mthe mbody? m- mAnswer m- mCementum
___ mcementum mof mthe mapex mof mthe mroot mis mmade mof mcells mthat mare mactively mproducing
mnew mlayers mof mcementum mthroughout mthe mlife mof mthe mtooth m- mAnswer m- mCellular
The mpulp mserves mfunctions msuch mas m- mAnswer m- mFormative/Developmental, mNutritive,
mSensory, mDefensive/Protective
What mfunction mprovides msensory mnerve mfibers mwithin mthe mpulp mto mmediate mthe msensation
mof mpain? m- mAnswer m- mSensory
What mfunction mis mrelated mto mits mresponse mto mirritation mby mmechanical, mthermal, mchemical,
mbacterial mstimuli? m- mAnswer m- mDefensive
Irritation msuch mas mtooth mfracture, mgrinding mof mteeth/bruxism, mcavity mpreparation mor mchemical
mirritation mcan mcause m- mAnswer m- mDegeneration mand mdeath mof mthe minvolved mcells
What mfunction msupplies mnutrients mand mfluids mto mthe mdentin mthrough mthe mblood msupply? m-
mAnswer m- mNutritive
, What mcan mcause mthe mpulp mto mbe mharmed? m- mAnswer m- mSterilizing, mcleaning, mdrying mand
mdesensitizing magents, mtemperatures, mair, mpressure, msome mcavity mliners, msome
mtemp/permanent mrestorative mmaterials
What mis ma mmajor mdevelopmental mconvexity mon mor mnear mthe mocclusal msurface mof ma mposterior
mteeth? m- mAnswer m- mCusp
Which mteeth musually mhave mfour mcusps? m- mAnswer m- mMaxillary mfirst mand msecond mmolars mand
mmandibular msecond mmolars
What mtooth mis munique min mthat mit malso mhas ma msmall mfifth mcusp mnear mthe mdistobuccal mline
mangle mknown mas ma mdistal mcusp m- mAnswer m- mMandibular mfirst mmolar
What mtooth mmay malso mhave ma mfifth mcusp mon mthe mlingual msurface m- mAnswer m- mMaxillary
mfirst mmolar
___ mis many mlinear melevation mon mthe msurface mof ma mtooth m- mAnswer m- mRidge
What mridge mis mat mthe medge mof mall manterior mteeth? m- mAnswer m- mIncisal
What mis mthe mmarginal mridge mof mmolars m& mpremolars? m- mAnswer m- mThe mrounded mborders
mof menamel mthat mforms mthe mmesial mand mdistal mboundaries mof mthe mocclusal msurface
What mis mthe mmarginal mridge mof mincisors m& mcuspids? m- mAnswer m- mThe mmesial mand mdistal
mboundaries mof mthe mlingual msurfaces
What mis ma mtriangular mridge? m- mAnswer m- mA mridge mon ma mmolar mor mpremolar mthat mdescends
mfrom mthe mtips mof mthe mcusps mtowards mthe mcentral mpart mof mthe mocclusal msurface
What mis ma mtransverse mridge? m- mAnswer m- mThe mridge mformed mby mthe munion mof mtwo
mtriangular mridges mthat mextend macross mthe msurface mof mposterior mteeth
