CONCORDE DH 105 MIDTERM EXAM
2025 QUESTIONS AND ANSWERS
Teethwinwdentitionw-wCORRECTwANSWERS32
Dentitionw-wCORRECTwANSWERSEntirewmouth/totalwnumberwofwteeth
Teethwinwarchw-wCORRECTwANSWERS16
Maxillarywarchw-wCORRECTwANSWERSAllwupperwteeth
Mandibularwarchw-wCORRECTwANSWERSAllwlowerwteeth
Teethwinwquadrantw-wCORRECTwANSWERS8
Upperwrightwquadrantw-wCORRECTwANSWERSQuadrantw1
Upperwleftwquadrantw-wCORRECTwANSWERSQuadrantw2
Lowerwleftwquadrantw-wCORRECTwANSWERSQuadrantw3
Lowerwrightwquadrantw-wCORRECTwANSWERSQuadrantw4
Anteriorwteethw(labialwsurfaces)w-wCORRECTwANSWERS8wincisorsw+w4wcaninesw=w12
Posteriorwteethw(buccalwsurfaces)w-wCORRECTwANSWERS8wpremolarsw+w12wmolarsw=w20
PremolarswinwawDENTITIONw-wCORRECTwANSWERS8
PremolarswinwanwARCHw-wCORRECTwANSWERS4
PremolarswinwawQUADRANTw-wCORRECTwANSWERS2
MolarswinwawDENTITIONw-wCORRECTwANSWERS12
MolarswinwanwARCHw-wCORRECTwANSWERS6
MolarswinwawQUADRANTw-wCORRECTwANSWERS3
CUSPSw-wCORRECTwANSWERS4wcuspwridges-
eachwcuspwridgewrunswfromwthewcuspwtipwtowardwawdirection
Mesialwcuspwridgew-
wCORRECTwANSWERSRunswfromwcuspwtipwtoward wthewmesialwside wofwthewtooth
Distalwcuspwridgew-
wCORRECTwANSWERSRunswfromwthewcuspwtipwtoward wthewdistalwsidewofwthewtooth
Buccalwcuspwridgew-
wCORRECTwANSWERSRunswfromwthewcuspwtipwtoward wthewbuccalwsidewof wthewtooth
Triangularwridgew-wCORRECTwANSWERSRunswfromwthewcuspwtipwtowthewcentralwgroove
Transversewridgew-
wCORRECTwANSWERS2wtriangularwridgeswjoinwtowformwawTRANSVERSEwRIDGE
Divingwawtoothwintowthirdsw(labialworwfacialwview)w-
wCORRECTwANSWERSMesialwthird,wMiddlewthird,wDistalwthird
Dividingwawtoothwintowthirdsw(distalworwmesialwview)w-
wCORRECTwANSWERSLabialwthird,wmiddlewthird,wlingualwthird
Periodontiumw-
wCORRECTwANSWERSConsistswofwgingiva, wcementum,wperiodontalwligament,wandwalveo
larwbone
Borderswofwthewlingualwfossaw(incisor)w-
wCORRECTwANSWERSCingulum,wmesialwmarginalwridge, wdistalwmarginalwridge, wIncisalwe
dge/ridge
Cingulumw-wCORRECTwANSWERSTriangularwdepressionwonwlingualwsidewofwincisors
Mesialwmarginalwridgew-wCORRECTwANSWERSMesialwedgew(lingualwview)
Distalwmarginalwridgew-wCORRECTwANSWERSDistalwedgew(lingualwview)
, Incisalwedge/ridgew-wCORRECTwANSWERSLingualwportionwofwIncisalwridge
Embrasurew-
wCORRECTwANSWERSSpaceswformedwaroundwthewpointwofwcontactwbetweenwproximalws
urfaceswofwadjacentwteeth
CurvaturewofwCEJw-wCORRECTwANSWERSGreaterwonwthewmesialwthanwthewdistal
Thewheightwofwcontourw-
wCORRECTwANSWERSGreatestwareawonwALLwteethwiswthewcervicalwthirdw(closest wareawtow
thewCEJ)
Orderwofwanatomicwlandmarksw-wCORRECTwANSWERSCervix,wtrunk,wfurcation,wapex
Enamelw-wCORRECTwANSWERSMostwcalcified;wouterwsurfacewofwthewcrownwofwthewtooth
Dentinw-
wCORRECTwANSWERSMakeswupwbulkwofwtooth;wunderwthewenamelwandwcementum
Cementumw-wCORRECTwANSWERSOuterwsurfacewofwthewtoothwofwthewtooth
Pulpw-wCORRECTwANSWERSCarrieswthewbloodwsupplywandwnervewsupplywofwthewtooth
Heightwofwcontourw(anteriorwteeth)w-wCORRECTwANSWERSLabialw-wcervicalw1/3wLingualw-
wcervicalw1/3
Heightwofwcontourw(posteriorwteeth)w-wCORRECTwANSWERSBuccalw-
wcervicalw1/3wLingualw-wmiddlew1/3
Classeswofwteethw-
wCORRECTwANSWERSIncisors,wcanines,wpremolarsw(NOTwpresentwinwprimarywdentition),
wmolars
Incisorsw-wCORRECTwANSWERSMadewofw4wlobes;w3wlabialwandw1wlingualwforwcingulum
Allwincisorwteethw(exceptwmandibularwcentralwincisor)w-
wCORRECTwANSWERSMesioincisalwanglewmorewsquare/acutewthanwthewdistoincisalwangl
e;wthewdistoincisalwanglewiswmorewroundedw(thinkwofwstraightwlineswofwMwandwcurvaturewofwD
)
Mandibularwcentralwincisorw-
wCORRECTwANSWERSAngleswarewsymmetricalwunlikewotherwincisors
Mamelonsw-
wCORRECTwANSWERSroundedwincisalwextensionswofwthewlabialwlobeswfoundwonwnewlywer
uptedworwunwornwpermanentwincisorwteeth
Maxillarywincisorsw-
wCORRECTwANSWERSHavewmorewprominentwcingulumwandwmarginalwridges;wmandibula
rwarewsmoother
Maxillarywincisorsw-
wCORRECTwANSWERSCentralwincisorwiswlargerwthanwlateralwincisor;wcentralwincisorwiswthe
wwidestwincisor;wmorewlikelywtowhavewa wroot wthatwiswalmostwthewsamewlengthwaswcrown;wshor
testwrootwrelativewtowitswcrown
Mandibularwincisorsw-
wCORRECTwANSWERSCentralwincisorwiswsmallerwthanwthewlateralwincisor;wcentralwincisorw
iswsmallestwtooth
Caninesw-
wCORRECTwANSWERSMadewofw4wlobes;w3 wlabialwlobeswandw1 wlobewforwcingulum
Maxillarywcaninew-
wCORRECTwANSWERSMorewpointedwcusp;wmesialwcuspwridge wiswshorterwthanwthewdistalw
cuspwridge
2025 QUESTIONS AND ANSWERS
Teethwinwdentitionw-wCORRECTwANSWERS32
Dentitionw-wCORRECTwANSWERSEntirewmouth/totalwnumberwofwteeth
Teethwinwarchw-wCORRECTwANSWERS16
Maxillarywarchw-wCORRECTwANSWERSAllwupperwteeth
Mandibularwarchw-wCORRECTwANSWERSAllwlowerwteeth
Teethwinwquadrantw-wCORRECTwANSWERS8
Upperwrightwquadrantw-wCORRECTwANSWERSQuadrantw1
Upperwleftwquadrantw-wCORRECTwANSWERSQuadrantw2
Lowerwleftwquadrantw-wCORRECTwANSWERSQuadrantw3
Lowerwrightwquadrantw-wCORRECTwANSWERSQuadrantw4
Anteriorwteethw(labialwsurfaces)w-wCORRECTwANSWERS8wincisorsw+w4wcaninesw=w12
Posteriorwteethw(buccalwsurfaces)w-wCORRECTwANSWERS8wpremolarsw+w12wmolarsw=w20
PremolarswinwawDENTITIONw-wCORRECTwANSWERS8
PremolarswinwanwARCHw-wCORRECTwANSWERS4
PremolarswinwawQUADRANTw-wCORRECTwANSWERS2
MolarswinwawDENTITIONw-wCORRECTwANSWERS12
MolarswinwanwARCHw-wCORRECTwANSWERS6
MolarswinwawQUADRANTw-wCORRECTwANSWERS3
CUSPSw-wCORRECTwANSWERS4wcuspwridges-
eachwcuspwridgewrunswfromwthewcuspwtipwtowardwawdirection
Mesialwcuspwridgew-
wCORRECTwANSWERSRunswfromwcuspwtipwtoward wthewmesialwside wofwthewtooth
Distalwcuspwridgew-
wCORRECTwANSWERSRunswfromwthewcuspwtipwtoward wthewdistalwsidewofwthewtooth
Buccalwcuspwridgew-
wCORRECTwANSWERSRunswfromwthewcuspwtipwtoward wthewbuccalwsidewof wthewtooth
Triangularwridgew-wCORRECTwANSWERSRunswfromwthewcuspwtipwtowthewcentralwgroove
Transversewridgew-
wCORRECTwANSWERS2wtriangularwridgeswjoinwtowformwawTRANSVERSEwRIDGE
Divingwawtoothwintowthirdsw(labialworwfacialwview)w-
wCORRECTwANSWERSMesialwthird,wMiddlewthird,wDistalwthird
Dividingwawtoothwintowthirdsw(distalworwmesialwview)w-
wCORRECTwANSWERSLabialwthird,wmiddlewthird,wlingualwthird
Periodontiumw-
wCORRECTwANSWERSConsistswofwgingiva, wcementum,wperiodontalwligament,wandwalveo
larwbone
Borderswofwthewlingualwfossaw(incisor)w-
wCORRECTwANSWERSCingulum,wmesialwmarginalwridge, wdistalwmarginalwridge, wIncisalwe
dge/ridge
Cingulumw-wCORRECTwANSWERSTriangularwdepressionwonwlingualwsidewofwincisors
Mesialwmarginalwridgew-wCORRECTwANSWERSMesialwedgew(lingualwview)
Distalwmarginalwridgew-wCORRECTwANSWERSDistalwedgew(lingualwview)
, Incisalwedge/ridgew-wCORRECTwANSWERSLingualwportionwofwIncisalwridge
Embrasurew-
wCORRECTwANSWERSSpaceswformedwaroundwthewpointwofwcontactwbetweenwproximalws
urfaceswofwadjacentwteeth
CurvaturewofwCEJw-wCORRECTwANSWERSGreaterwonwthewmesialwthanwthewdistal
Thewheightwofwcontourw-
wCORRECTwANSWERSGreatestwareawonwALLwteethwiswthewcervicalwthirdw(closest wareawtow
thewCEJ)
Orderwofwanatomicwlandmarksw-wCORRECTwANSWERSCervix,wtrunk,wfurcation,wapex
Enamelw-wCORRECTwANSWERSMostwcalcified;wouterwsurfacewofwthewcrownwofwthewtooth
Dentinw-
wCORRECTwANSWERSMakeswupwbulkwofwtooth;wunderwthewenamelwandwcementum
Cementumw-wCORRECTwANSWERSOuterwsurfacewofwthewtoothwofwthewtooth
Pulpw-wCORRECTwANSWERSCarrieswthewbloodwsupplywandwnervewsupplywofwthewtooth
Heightwofwcontourw(anteriorwteeth)w-wCORRECTwANSWERSLabialw-wcervicalw1/3wLingualw-
wcervicalw1/3
Heightwofwcontourw(posteriorwteeth)w-wCORRECTwANSWERSBuccalw-
wcervicalw1/3wLingualw-wmiddlew1/3
Classeswofwteethw-
wCORRECTwANSWERSIncisors,wcanines,wpremolarsw(NOTwpresentwinwprimarywdentition),
wmolars
Incisorsw-wCORRECTwANSWERSMadewofw4wlobes;w3wlabialwandw1wlingualwforwcingulum
Allwincisorwteethw(exceptwmandibularwcentralwincisor)w-
wCORRECTwANSWERSMesioincisalwanglewmorewsquare/acutewthanwthewdistoincisalwangl
e;wthewdistoincisalwanglewiswmorewroundedw(thinkwofwstraightwlineswofwMwandwcurvaturewofwD
)
Mandibularwcentralwincisorw-
wCORRECTwANSWERSAngleswarewsymmetricalwunlikewotherwincisors
Mamelonsw-
wCORRECTwANSWERSroundedwincisalwextensionswofwthewlabialwlobeswfoundwonwnewlywer
uptedworwunwornwpermanentwincisorwteeth
Maxillarywincisorsw-
wCORRECTwANSWERSHavewmorewprominentwcingulumwandwmarginalwridges;wmandibula
rwarewsmoother
Maxillarywincisorsw-
wCORRECTwANSWERSCentralwincisorwiswlargerwthanwlateralwincisor;wcentralwincisorwiswthe
wwidestwincisor;wmorewlikelywtowhavewa wroot wthatwiswalmostwthewsamewlengthwaswcrown;wshor
testwrootwrelativewtowitswcrown
Mandibularwincisorsw-
wCORRECTwANSWERSCentralwincisorwiswsmallerwthanwthewlateralwincisor;wcentralwincisorw
iswsmallestwtooth
Caninesw-
wCORRECTwANSWERSMadewofw4wlobes;w3 wlabialwlobeswandw1 wlobewforwcingulum
Maxillarywcaninew-
wCORRECTwANSWERSMorewpointedwcusp;wmesialwcuspwridge wiswshorterwthanwthewdistalw
cuspwridge