NDHCB EXAM PRACTICE TESTS WITH C
ANSWERS
Reports cof crandomized ccontrolled ctrials c- cCORRECT cANS✔✔A cdental chygienist chas cbeen cask
cclients cabout ca cnew ctooth cwhitening cprocedure. cThe cdental chygienist cdid cnot cstudy cthis cproc
cfollowing csources cof cinformation cshould cthe cdental chygienist cconsult cbefore cproviding cinforma
cprocedure? c
A. cThe cemployer cregarding cthe cnew ctechnique
B. cReports cof crandomized ccontrolled ctrials
C. cColleagues cregarding ctechnique cand cefficacy
D. cDental csupply ccompanies cregarding cproduct cavailable
Have cthe cinterpreter cexplain cthe cprocedure cby ctelephone c- cCORRECT cANS✔✔Mrs. cSandhu, c
cimmigrant. cShe cdoes cnot cspeak cenglish cor cfrench; chowever, cshe cis caccompanied cby can cinter
ctreatment cplanning. cAt cthe cfollow-up cappointment, cMrs. cSandhu carrives calone. cDuring cperiodo
chygienist cdetermines cthat cMrs. cSandhu cneeds clocal canesthetic. cWhat cshould cthe cdental chygie
A. cExplain cthe caction cof clocal canesthetic cusing cgestures
B. cHave cthe cinterpreter cexplain cthe cprocedure cby ctelephone c
C. cUse cpictures cto cexplain cthe cneed cfor cthis cprocedure c
D. cProceed cwith cthe ctreatment cwithout cthe clocal canesthetic
20 cseconds c- cCORRECT cANS✔✔Following ca cclient's cappointment, cthe cdental chygienist cis cpre
cnext cclient. cWhat cis cthe crecommended cminimum ctime cthat cwater cshould cbe crun cthrough cthe c
cappointment? c
A. c20 cseconds
B. c60 cseconds
C. c90 cseconds
D. c120 cseconds
Encourage chim cto cexpress chis cconcerns cregarding ctoday's cappt c- cCORRECT cANS✔✔Mr. cKeh
cdental chygienist cthat cthe creason che cmissed chis cprevious cperiodontal cdebridement cappointmen
,D. cAbsence cof ccalculus
A cclient cwith crecently cdiagnosed ctype c2 cdiabetes c- cCORRECT cANS✔✔Who cwould cbenefit cmo
ccare cappointments? c
A. cA cclient cwho cjust ccompleted ctobacco cuse ccessation cprogram
B. cA cclient cwho cis cstarting can cat-home cwhitening cprogram
C. cA cclient cwith crecently cdiagnosed ctype c2 cdiabetes
D. cA cclient cwith ca cdiagnosis cof chyperthyroidism
Mepivicaine c(Carbocaine, cPolocaine) c3% cand cthe cinferior calveolar cnerve cblock, cthe clingual cand
c- cCORRECT cANS✔✔Joey, c11 cyears cold, cneeds cLA cfor cperiodontal cdebridement cin cQ3. cThe
capproximately c30 cminutes cto ccomplete conce canesthetized. cWhat canesthetic cagent cand cinjectio
csituation?
A. cMepivicaine c3% cand cthe cinferior calveolar cnerve cblock, cthe clingual cand clong cbuccal cnerve ci
B. cLidocaine c2% cand cbuccal cinfiltration(s)
C. cArticaine c4% cwith cepinephrine c1:200,000 cand cthe cinferior calveolar cnerve cblock cand clong cb
D. cPrilocaine c4% cwith cepinephrine c1:200,000 cand cthe cinferior calveolar cnerve cblock cand clong c
Pseudomembranous cCandidiasis c- cCORRECT cANS✔✔Don, can c18-year-old cathlete, chas cbeen
cpericoronitis cof ctooth c38. cHe cpresents cfor crepair cof ca cclasp con can cill-fitting cmaxillary cpartial cd
ctaste cand ca cburning csensation cin cthe cpalatal carea. cThe cclinical cassessment creveals ca clesion
cThere cis ca cwhite, ccurd-like cmaterial cwith cunderlying cerythematous cmucosa. cWhat ccondition csh
csuspect?
A. cDenture cstomatitis
B. cErosive clichen cplanus
C. cNecrotizing cperiodontitis
D. cPseudomembranous ccandidiasis
Heat ctherapy, cwarm csaline cmouth crinses cand canalgesics c- cCORRECT cANS✔✔Ms. cKaterinova
creceived clocal canesthetic cfor cperiodontal cdebridement cby cthe cdental chygienist.
She creports cpain cand csome cdifficulty copening cher cmouth cthe cday cafter ctreatment. cWhat cpost c
cthe cdental chygienist cconsider?
A. cHeat ctherapy, cwarm csaline cmouth crinse cand canalgesics
B. cCold ctherapy, cantimicrobial cmouth crinse cand canalgesics
C. cAntibiotic ctherapy cand cwarm csaline crinses
D. cAnalgesics cand creferral cfor cphysiotherapy
Candida calbicans. c- cCORRECT cANS✔✔Which cone cof cthe cfollowing coral cmicroorganisms cmay
cbroad-spectrum cantibiotics?
A. cPorphyromonas cgingivalis.
B. cStreptoccocus cmutans.
C. cActinomyces cviscosus.
D. cCandida calbicans.
Generalized cperiodontitis cstage cII, cgrade cA c- cCORRECT cANS✔✔The cperiodontal cassessment
cincludes ca cdental cbiofilm cscore cof c60%, ca cBOP cscore cof c30% cand cgeneralized cclinical cattach
cgingival crecession. cThe cradiographs cindicate cgeneralized chorizontal cbone cthat caccount cfor ca c
cWhat cis cMr. cStevens's cperiodontal cclassification?
A. cGeneralized cperiodontitis cstage cI, cgrade cB
B. cGeneralized cperiodontitis cstage cIII, cgrade cB
C. cGeneralized cdental cbiofilm-induced cgingivitis con can cintact cperiodontium
D. cGeneralized cperiodontitis cstage cII, cgrade cA
Elder cabuse c- cCORRECT cANS✔✔Mrs. cRidley, c81 cyears cold, cis cnow cliving cwith cher cdaughter'
cfor cher c9-month ccontinuing ccare cappointment, cshe cappears cwithdrawn cand canxious ceven cthou
, D. cHallow chandle
The ccorrelation cbetween cdental cbiofilm cand cgingivitis cis cmuch cstronger cthan cthe ccorrelation cbe
c- cCORRECT cANS✔✔Which cone cof cthe cfollowing cstatements cabout cthe cclinical csignificance co
A. cThe csurface ctexture cof csubgingival ccalculus ccauses cgingivitis
B. cLactobacillus cmicroorganisms care cessential cfor cthe cformation cof ccalculus c
C. cThe ccorrelation cbetween cdental cbiofilm cand cgingivitis cis cmuch cstronger cthan cthe ccorrelation
cgingivitis.
D. cWhen ccalculus cbecomes cembedded cin cthe cconnective ctissue, cit cresults cin can cinflammatory
Sodium cfluoride cvarnish c- cCORRECT cANS✔✔Mrs. cSavage, c73 cyears cold, cpresents cfor cher c6-
cappointment. cShe cpresents cwith cgeneralized cperiodontitis cstage cII cgrade cB, cgeneralized cgingiv
cfacial csurfaces cof csextant c5 cand cporcelain ccrowns con cteeth c13 cto c23. cThe cdental chygienist cn
ccarious clesions con cthe croots cof cthe cmaxillary cpremolars. cWhat cfluoride cagent cshould cthe cden
cSavage?
A. cAcidulated cphosphate cfluoride cgel c
B. cSodium cmonofluorophosphate cdentifrice c
C. cStannous cfluoride csolution c
D. cSodium cfluoride cvarnish
A creduction cin csalivary cflow cdue cto cfluid closs. c- cCORRECT cANS✔✔Shamir, c17 cyears cold, cha
cdiabetes. cIn cspite cof cgood coral cself ccare, cShamir cis cat cincreased crisk cfor cdental ccaries. cWha
cthis cconclusion?
A. cA cwide cfluctuation cin cblood cglucose clevels c
B. cA chigh ccarbohydrate cdiet cto ccontrol chypoglycemia
C. cA creduction cin cphagocytic cactivity cdue cto chyperglycermia c
D. cA creduction cin csalivary cflow cdue cto cfluid closs.
Provide cinformation cregarding cresource cagencies c- cCORRECT cANS✔✔Mr. cRoznowski, c33 cyea
cHe cis cnow cliving cwith chis cmother cand cis cunhappy cwith chis closs cof cautonomy. cHow cshould cth
A. cAssist cwith conly chis cdental chygiene cneeds c
B. cContact ca csocial cworker con chis cbehalf
C. cProvide cinformation cregarding cresource cagencies c
D. cConsult cwith chis cmother
A ctonque cbarbell. c- cCORRECT cANS✔✔Todd, c18 cyears cold, cpresents cto chis ccontinuing ccare ca
cthe clingual csurfaces cof cteeth c41 cand c31.
What cmost clikely ccaused cthese cfractures?
A. cA cparafunctional chabit
B. cBulimia cnervosa
C. cA ctonque cbarbell.
D. cPencil cchewing
Replace cthe ccurrently cused ctoothbrush. c- cCORRECT cANS✔✔What coral cself-care cstrategy csho
crecovery cphase cof coral ccandidiasis?
A. cRinse cwith cwarm csalt cwater c
B. cAvoid cthe cuse cof csodium clauryl csulfate c
C. cReplace cthe ccurrently cused ctoothbrush.
D. cRinse cwith cchlorhexidine
Retained cfirst cprimary cmolars. c- cCORRECT cANS✔✔A cpanoramic cradiograph ctaken con cDavid,
c14 cand c24 care cmorphologically ccomplete cbut cunerupted. cWhat cis cthe cmost cprobable ccause?
A. cA ccongenitally cmissing cteeth
B. cRetained cfirst cprimary cmolars
C. cImpacted ccanines
ANSWERS
Reports cof crandomized ccontrolled ctrials c- cCORRECT cANS✔✔A cdental chygienist chas cbeen cask
cclients cabout ca cnew ctooth cwhitening cprocedure. cThe cdental chygienist cdid cnot cstudy cthis cproc
cfollowing csources cof cinformation cshould cthe cdental chygienist cconsult cbefore cproviding cinforma
cprocedure? c
A. cThe cemployer cregarding cthe cnew ctechnique
B. cReports cof crandomized ccontrolled ctrials
C. cColleagues cregarding ctechnique cand cefficacy
D. cDental csupply ccompanies cregarding cproduct cavailable
Have cthe cinterpreter cexplain cthe cprocedure cby ctelephone c- cCORRECT cANS✔✔Mrs. cSandhu, c
cimmigrant. cShe cdoes cnot cspeak cenglish cor cfrench; chowever, cshe cis caccompanied cby can cinter
ctreatment cplanning. cAt cthe cfollow-up cappointment, cMrs. cSandhu carrives calone. cDuring cperiodo
chygienist cdetermines cthat cMrs. cSandhu cneeds clocal canesthetic. cWhat cshould cthe cdental chygie
A. cExplain cthe caction cof clocal canesthetic cusing cgestures
B. cHave cthe cinterpreter cexplain cthe cprocedure cby ctelephone c
C. cUse cpictures cto cexplain cthe cneed cfor cthis cprocedure c
D. cProceed cwith cthe ctreatment cwithout cthe clocal canesthetic
20 cseconds c- cCORRECT cANS✔✔Following ca cclient's cappointment, cthe cdental chygienist cis cpre
cnext cclient. cWhat cis cthe crecommended cminimum ctime cthat cwater cshould cbe crun cthrough cthe c
cappointment? c
A. c20 cseconds
B. c60 cseconds
C. c90 cseconds
D. c120 cseconds
Encourage chim cto cexpress chis cconcerns cregarding ctoday's cappt c- cCORRECT cANS✔✔Mr. cKeh
cdental chygienist cthat cthe creason che cmissed chis cprevious cperiodontal cdebridement cappointmen
,D. cAbsence cof ccalculus
A cclient cwith crecently cdiagnosed ctype c2 cdiabetes c- cCORRECT cANS✔✔Who cwould cbenefit cmo
ccare cappointments? c
A. cA cclient cwho cjust ccompleted ctobacco cuse ccessation cprogram
B. cA cclient cwho cis cstarting can cat-home cwhitening cprogram
C. cA cclient cwith crecently cdiagnosed ctype c2 cdiabetes
D. cA cclient cwith ca cdiagnosis cof chyperthyroidism
Mepivicaine c(Carbocaine, cPolocaine) c3% cand cthe cinferior calveolar cnerve cblock, cthe clingual cand
c- cCORRECT cANS✔✔Joey, c11 cyears cold, cneeds cLA cfor cperiodontal cdebridement cin cQ3. cThe
capproximately c30 cminutes cto ccomplete conce canesthetized. cWhat canesthetic cagent cand cinjectio
csituation?
A. cMepivicaine c3% cand cthe cinferior calveolar cnerve cblock, cthe clingual cand clong cbuccal cnerve ci
B. cLidocaine c2% cand cbuccal cinfiltration(s)
C. cArticaine c4% cwith cepinephrine c1:200,000 cand cthe cinferior calveolar cnerve cblock cand clong cb
D. cPrilocaine c4% cwith cepinephrine c1:200,000 cand cthe cinferior calveolar cnerve cblock cand clong c
Pseudomembranous cCandidiasis c- cCORRECT cANS✔✔Don, can c18-year-old cathlete, chas cbeen
cpericoronitis cof ctooth c38. cHe cpresents cfor crepair cof ca cclasp con can cill-fitting cmaxillary cpartial cd
ctaste cand ca cburning csensation cin cthe cpalatal carea. cThe cclinical cassessment creveals ca clesion
cThere cis ca cwhite, ccurd-like cmaterial cwith cunderlying cerythematous cmucosa. cWhat ccondition csh
csuspect?
A. cDenture cstomatitis
B. cErosive clichen cplanus
C. cNecrotizing cperiodontitis
D. cPseudomembranous ccandidiasis
Heat ctherapy, cwarm csaline cmouth crinses cand canalgesics c- cCORRECT cANS✔✔Ms. cKaterinova
creceived clocal canesthetic cfor cperiodontal cdebridement cby cthe cdental chygienist.
She creports cpain cand csome cdifficulty copening cher cmouth cthe cday cafter ctreatment. cWhat cpost c
cthe cdental chygienist cconsider?
A. cHeat ctherapy, cwarm csaline cmouth crinse cand canalgesics
B. cCold ctherapy, cantimicrobial cmouth crinse cand canalgesics
C. cAntibiotic ctherapy cand cwarm csaline crinses
D. cAnalgesics cand creferral cfor cphysiotherapy
Candida calbicans. c- cCORRECT cANS✔✔Which cone cof cthe cfollowing coral cmicroorganisms cmay
cbroad-spectrum cantibiotics?
A. cPorphyromonas cgingivalis.
B. cStreptoccocus cmutans.
C. cActinomyces cviscosus.
D. cCandida calbicans.
Generalized cperiodontitis cstage cII, cgrade cA c- cCORRECT cANS✔✔The cperiodontal cassessment
cincludes ca cdental cbiofilm cscore cof c60%, ca cBOP cscore cof c30% cand cgeneralized cclinical cattach
cgingival crecession. cThe cradiographs cindicate cgeneralized chorizontal cbone cthat caccount cfor ca c
cWhat cis cMr. cStevens's cperiodontal cclassification?
A. cGeneralized cperiodontitis cstage cI, cgrade cB
B. cGeneralized cperiodontitis cstage cIII, cgrade cB
C. cGeneralized cdental cbiofilm-induced cgingivitis con can cintact cperiodontium
D. cGeneralized cperiodontitis cstage cII, cgrade cA
Elder cabuse c- cCORRECT cANS✔✔Mrs. cRidley, c81 cyears cold, cis cnow cliving cwith cher cdaughter'
cfor cher c9-month ccontinuing ccare cappointment, cshe cappears cwithdrawn cand canxious ceven cthou
, D. cHallow chandle
The ccorrelation cbetween cdental cbiofilm cand cgingivitis cis cmuch cstronger cthan cthe ccorrelation cbe
c- cCORRECT cANS✔✔Which cone cof cthe cfollowing cstatements cabout cthe cclinical csignificance co
A. cThe csurface ctexture cof csubgingival ccalculus ccauses cgingivitis
B. cLactobacillus cmicroorganisms care cessential cfor cthe cformation cof ccalculus c
C. cThe ccorrelation cbetween cdental cbiofilm cand cgingivitis cis cmuch cstronger cthan cthe ccorrelation
cgingivitis.
D. cWhen ccalculus cbecomes cembedded cin cthe cconnective ctissue, cit cresults cin can cinflammatory
Sodium cfluoride cvarnish c- cCORRECT cANS✔✔Mrs. cSavage, c73 cyears cold, cpresents cfor cher c6-
cappointment. cShe cpresents cwith cgeneralized cperiodontitis cstage cII cgrade cB, cgeneralized cgingiv
cfacial csurfaces cof csextant c5 cand cporcelain ccrowns con cteeth c13 cto c23. cThe cdental chygienist cn
ccarious clesions con cthe croots cof cthe cmaxillary cpremolars. cWhat cfluoride cagent cshould cthe cden
cSavage?
A. cAcidulated cphosphate cfluoride cgel c
B. cSodium cmonofluorophosphate cdentifrice c
C. cStannous cfluoride csolution c
D. cSodium cfluoride cvarnish
A creduction cin csalivary cflow cdue cto cfluid closs. c- cCORRECT cANS✔✔Shamir, c17 cyears cold, cha
cdiabetes. cIn cspite cof cgood coral cself ccare, cShamir cis cat cincreased crisk cfor cdental ccaries. cWha
cthis cconclusion?
A. cA cwide cfluctuation cin cblood cglucose clevels c
B. cA chigh ccarbohydrate cdiet cto ccontrol chypoglycemia
C. cA creduction cin cphagocytic cactivity cdue cto chyperglycermia c
D. cA creduction cin csalivary cflow cdue cto cfluid closs.
Provide cinformation cregarding cresource cagencies c- cCORRECT cANS✔✔Mr. cRoznowski, c33 cyea
cHe cis cnow cliving cwith chis cmother cand cis cunhappy cwith chis closs cof cautonomy. cHow cshould cth
A. cAssist cwith conly chis cdental chygiene cneeds c
B. cContact ca csocial cworker con chis cbehalf
C. cProvide cinformation cregarding cresource cagencies c
D. cConsult cwith chis cmother
A ctonque cbarbell. c- cCORRECT cANS✔✔Todd, c18 cyears cold, cpresents cto chis ccontinuing ccare ca
cthe clingual csurfaces cof cteeth c41 cand c31.
What cmost clikely ccaused cthese cfractures?
A. cA cparafunctional chabit
B. cBulimia cnervosa
C. cA ctonque cbarbell.
D. cPencil cchewing
Replace cthe ccurrently cused ctoothbrush. c- cCORRECT cANS✔✔What coral cself-care cstrategy csho
crecovery cphase cof coral ccandidiasis?
A. cRinse cwith cwarm csalt cwater c
B. cAvoid cthe cuse cof csodium clauryl csulfate c
C. cReplace cthe ccurrently cused ctoothbrush.
D. cRinse cwith cchlorhexidine
Retained cfirst cprimary cmolars. c- cCORRECT cANS✔✔A cpanoramic cradiograph ctaken con cDavid,
c14 cand c24 care cmorphologically ccomplete cbut cunerupted. cWhat cis cthe cmost cprobable ccause?
A. cA ccongenitally cmissing cteeth
B. cRetained cfirst cprimary cmolars
C. cImpacted ccanines
