OSCE DENTAL HYGIENE QUESTIONS AND CORRECT ANSWERS
Bass cMethod c- ccorrect canswers✔✔Most cwidely cused cmethod. cBristles care cangled
cat ca c45 cdegree cangel ctowards cthe cgingiva.
Stillman's cMethod c- ccorrect canswers✔✔Bristles care cpositioned con cthe cgums crather
cthan cinto cthe cpockets cand cdirected cat ca c45 cdegree cangle.
Charter's cMethod c- ccorrect canswers✔✔Bristles care cdirected cocclusally, caway cfrom
cthe cgingiva. cUseful cfor ccleaning corthodontic cbrackets, cprosthesis, cand careas
ctreated cwith csurgeries.
Fone's cMethod c- ccorrect canswers✔✔Bristles care cmoved cin clarge ccircular cmotion con
cthe cbuccal cand clingual csurfaces. cUseful cfor cchildren, cthose cphysically cimpaired, cor
cadults cwho clack cmanual cdexterity.
Fluoride cVarnish c- ccorrect canswers✔✔-Dries cimmediately cupon ccontact cwith csaliva.
c
-Does cnot crequire ca cprofessional cprophylaxis cbefore chand. c
-Can ceat cand cdrink cimmediately cafter. c
-Avoid cbrushing, crigorous crinsing, cor chard cfoods cfor c3 cto c4 chours. c
-Easier cand cmore ceffective cmethod
Fluoride cis crecommended cfor cpatients cwho: c- ccorrect canswers✔✔-Have cxerostomia
c
-High ccaries crisk
-Undergoing ccancer ctherapy c
-Orthodontics
Fluoride cGel cor cFoam c(office capplication) c- ccorrect canswers✔✔-Applied conto ctray
cand cplaced cin cpatient's cmouth cusually cfor c4 cminutes c(Read cmanufactures clabel). c
-Do cnot ceat, cdrink, cor csmoke cfor c30 cminutes. c
-Most cpopular ctypes care c1.23% cAPF cand c2% cNeutral csodium cfluoride.
Stannous cFluoride c- ccorrect canswers✔✔-0.4% cavailable cfor cnon-prescription cuse. c
-1% cneutral csodium cfluoride cgels cavailable cfor cprescription cuse. c
-Can ccause cextrinsic cstaining c(especially cin cpatient's cwith cinadequate cplaque
ccontrol).
Acidulated cPhosphate cFluoride c(APF) c- ccorrect canswers✔✔-Do cNOT cuse cof
ccomposites, cporcelain, cor csealant cmaterials cas cit ccausing cpitting cand croughening. c
-Also cavoid con croot csurfaces.
,Neutral cSodium cFluoride c- ccorrect canswers✔✔Agent cof cchoice con croot ccaries,
cimplants, ccosmetic crestorations, cand creduced csalivary cflow.
Second ctrimester c- ccorrect canswers✔✔safest ctrimester cfor cdental ctreatment.
Pregnancy cgingivitis c- ccorrect canswers✔✔-Caused cby can celevation cof chormones
cestrogen cand cprogesterone. cHormones cincrease ccan ccause cexaggerated cgingival
cresponse cto cmicroorganisms.
Pyrogenic cgranuloma c(Pregnancy ctumor) c- ccorrect canswers✔✔localized carea cof
cgingival cenlargement, ctypically cinvolving cinterdental cpapilla, cusually cdiminishes cafter
cdelivery cof cbaby.
What ccategory cof cLA ccan cuse cadminister cto ca cpregnant cpatient? c- ccorrect
canswers✔✔Category cB c(lidocaine cand cprilocaine)
Can cyou cuse cNitrous coxide csedation cand cgeneral csedation con ca cpregnant cpatient?
c- ccorrect canswers✔✔relative ccontraindication c(gas cinterferes cwith cthe cabsorption cof
cB-12 cand cother cnutrients).
Early cChildhood cCaries c(ECC) cindex c- ccorrect canswers✔✔-presence cof c1 cor cmore
careas cof cdecay con ca cchild cyounger cthan c6 cyears cof cage
Severe-Early cChildhood cCaries c(S-ECC) cindex c- ccorrect canswers✔✔-Presence cof
cdecay cin ca cchild cyounger cthan c3 cyears cold.
When cshould ca cchild's cfirst cdental cappointment coccur? c- ccorrect canswers✔✔-Within
c6 cmonths cof cthe ceruption cof cthe cfirst ctooth cor cbefore c1-year cof cage.
When cshould cyou cfirst cstart cbrushing ca cchild's cteeth? c- ccorrect canswers✔✔-When
cthe cfirst ctooth cappears.
Erosion ccauses c- ccorrect canswers✔✔-Anorexia cNervosa c
-Bulimia cNervosa
Anorexia cNervosa c- ccorrect canswers✔✔extreme cweight closs ccaused cby cself-
starvation, cexcessive cexercise, cuse cof claxatives, cself-induced cvomiting.
Bulimia cNervosa c- ccorrect canswers✔✔compulsive cdisorder cthat cinvolves cperiods cof
cstarvation, cbinging, cand cpurging.
Signs cand cSymptoms cof cerosion c- ccorrect canswers✔✔-dental ccaries cfrom cvomiting c
-Perimolysis: cerosion cfrom cvomiting cmostly con cthe cmaxillary clingual csurfaces.
cRaised cappearance cof crestoration cmargins.
, Abrasion c- ccorrect canswers✔✔-V-shaped cnotch cin cthe cgingival cportion cof cthe cfacial
caspect cof cthe ctooth. c
-Results cfrom cforces cof cfriction cbetween cthe cteeth cor cexternal cobjects. c
-Can chappen cfrom cimproper cbrushing ctechnique cor cthe cuse cof ca ctoothpick cor cpipe.
Attrition c- ccorrect canswers✔✔-Results cfrom cforces cbetween cthe cteeth. c
-Wear con cthe cincised cand cocclusal csurfaces cfrom cgrinding.
Abfraction c- ccorrect canswers✔✔-Biomechanical cdestruction crelated cto cfatigue,
cflexure, cand cdeformation cof ctooth cstructure. c
-Can cappear cas ca cwedge-shaped clesion cat cthe ccervical cthird cof cthe ctooth.
What cis cthe cmost ceffective cpublic chealth cmeasure cto cprevent ctooth cdecay? c-
ccorrect canswers✔✔Community cWater cFluoridation
New crecommended clevel cof cfluoride cis? c- ccorrect canswers✔✔0.7 cppm
Old clevel cof cfluoride cis? c- ccorrect canswers✔✔0.7-1.2 cppm
HIV ccan ccause: c- ccorrect canswers✔✔-Linear cgingival cerythema c
-Kaposi cSarcoma
-Delayed chealing c
-Larger cthan cusual culcers c
-Candidiasis c
-Etc.
Diabetes ccan ccause: c- ccorrect canswers✔✔-Delayed chealing c
-Periodontal cdisease c
-Candidiasis c
-Etc.
ASA c1 c- ccorrect canswers✔✔Normal, cHealthy
ASA c2 c- ccorrect canswers✔✔Pt. cwith cmild csystemic cdiseases. c
-Allergies c
-Controlled chypertension
-Asthma c
-Mild cobesity c
-Pregnancy
-Cigarette csmoking cwithout cCOPD c
-Diabetes cwithout csystemic ceffects
ASA c3 c- ccorrect canswers✔✔Pt. cwith csevere csystemic cdisease cand csome cfunctional
climitation. c
-Controlled cdisease cof cmore cthan cone cbody csystem c
-Controlled cCHF
Bass cMethod c- ccorrect canswers✔✔Most cwidely cused cmethod. cBristles care cangled
cat ca c45 cdegree cangel ctowards cthe cgingiva.
Stillman's cMethod c- ccorrect canswers✔✔Bristles care cpositioned con cthe cgums crather
cthan cinto cthe cpockets cand cdirected cat ca c45 cdegree cangle.
Charter's cMethod c- ccorrect canswers✔✔Bristles care cdirected cocclusally, caway cfrom
cthe cgingiva. cUseful cfor ccleaning corthodontic cbrackets, cprosthesis, cand careas
ctreated cwith csurgeries.
Fone's cMethod c- ccorrect canswers✔✔Bristles care cmoved cin clarge ccircular cmotion con
cthe cbuccal cand clingual csurfaces. cUseful cfor cchildren, cthose cphysically cimpaired, cor
cadults cwho clack cmanual cdexterity.
Fluoride cVarnish c- ccorrect canswers✔✔-Dries cimmediately cupon ccontact cwith csaliva.
c
-Does cnot crequire ca cprofessional cprophylaxis cbefore chand. c
-Can ceat cand cdrink cimmediately cafter. c
-Avoid cbrushing, crigorous crinsing, cor chard cfoods cfor c3 cto c4 chours. c
-Easier cand cmore ceffective cmethod
Fluoride cis crecommended cfor cpatients cwho: c- ccorrect canswers✔✔-Have cxerostomia
c
-High ccaries crisk
-Undergoing ccancer ctherapy c
-Orthodontics
Fluoride cGel cor cFoam c(office capplication) c- ccorrect canswers✔✔-Applied conto ctray
cand cplaced cin cpatient's cmouth cusually cfor c4 cminutes c(Read cmanufactures clabel). c
-Do cnot ceat, cdrink, cor csmoke cfor c30 cminutes. c
-Most cpopular ctypes care c1.23% cAPF cand c2% cNeutral csodium cfluoride.
Stannous cFluoride c- ccorrect canswers✔✔-0.4% cavailable cfor cnon-prescription cuse. c
-1% cneutral csodium cfluoride cgels cavailable cfor cprescription cuse. c
-Can ccause cextrinsic cstaining c(especially cin cpatient's cwith cinadequate cplaque
ccontrol).
Acidulated cPhosphate cFluoride c(APF) c- ccorrect canswers✔✔-Do cNOT cuse cof
ccomposites, cporcelain, cor csealant cmaterials cas cit ccausing cpitting cand croughening. c
-Also cavoid con croot csurfaces.
,Neutral cSodium cFluoride c- ccorrect canswers✔✔Agent cof cchoice con croot ccaries,
cimplants, ccosmetic crestorations, cand creduced csalivary cflow.
Second ctrimester c- ccorrect canswers✔✔safest ctrimester cfor cdental ctreatment.
Pregnancy cgingivitis c- ccorrect canswers✔✔-Caused cby can celevation cof chormones
cestrogen cand cprogesterone. cHormones cincrease ccan ccause cexaggerated cgingival
cresponse cto cmicroorganisms.
Pyrogenic cgranuloma c(Pregnancy ctumor) c- ccorrect canswers✔✔localized carea cof
cgingival cenlargement, ctypically cinvolving cinterdental cpapilla, cusually cdiminishes cafter
cdelivery cof cbaby.
What ccategory cof cLA ccan cuse cadminister cto ca cpregnant cpatient? c- ccorrect
canswers✔✔Category cB c(lidocaine cand cprilocaine)
Can cyou cuse cNitrous coxide csedation cand cgeneral csedation con ca cpregnant cpatient?
c- ccorrect canswers✔✔relative ccontraindication c(gas cinterferes cwith cthe cabsorption cof
cB-12 cand cother cnutrients).
Early cChildhood cCaries c(ECC) cindex c- ccorrect canswers✔✔-presence cof c1 cor cmore
careas cof cdecay con ca cchild cyounger cthan c6 cyears cof cage
Severe-Early cChildhood cCaries c(S-ECC) cindex c- ccorrect canswers✔✔-Presence cof
cdecay cin ca cchild cyounger cthan c3 cyears cold.
When cshould ca cchild's cfirst cdental cappointment coccur? c- ccorrect canswers✔✔-Within
c6 cmonths cof cthe ceruption cof cthe cfirst ctooth cor cbefore c1-year cof cage.
When cshould cyou cfirst cstart cbrushing ca cchild's cteeth? c- ccorrect canswers✔✔-When
cthe cfirst ctooth cappears.
Erosion ccauses c- ccorrect canswers✔✔-Anorexia cNervosa c
-Bulimia cNervosa
Anorexia cNervosa c- ccorrect canswers✔✔extreme cweight closs ccaused cby cself-
starvation, cexcessive cexercise, cuse cof claxatives, cself-induced cvomiting.
Bulimia cNervosa c- ccorrect canswers✔✔compulsive cdisorder cthat cinvolves cperiods cof
cstarvation, cbinging, cand cpurging.
Signs cand cSymptoms cof cerosion c- ccorrect canswers✔✔-dental ccaries cfrom cvomiting c
-Perimolysis: cerosion cfrom cvomiting cmostly con cthe cmaxillary clingual csurfaces.
cRaised cappearance cof crestoration cmargins.
, Abrasion c- ccorrect canswers✔✔-V-shaped cnotch cin cthe cgingival cportion cof cthe cfacial
caspect cof cthe ctooth. c
-Results cfrom cforces cof cfriction cbetween cthe cteeth cor cexternal cobjects. c
-Can chappen cfrom cimproper cbrushing ctechnique cor cthe cuse cof ca ctoothpick cor cpipe.
Attrition c- ccorrect canswers✔✔-Results cfrom cforces cbetween cthe cteeth. c
-Wear con cthe cincised cand cocclusal csurfaces cfrom cgrinding.
Abfraction c- ccorrect canswers✔✔-Biomechanical cdestruction crelated cto cfatigue,
cflexure, cand cdeformation cof ctooth cstructure. c
-Can cappear cas ca cwedge-shaped clesion cat cthe ccervical cthird cof cthe ctooth.
What cis cthe cmost ceffective cpublic chealth cmeasure cto cprevent ctooth cdecay? c-
ccorrect canswers✔✔Community cWater cFluoridation
New crecommended clevel cof cfluoride cis? c- ccorrect canswers✔✔0.7 cppm
Old clevel cof cfluoride cis? c- ccorrect canswers✔✔0.7-1.2 cppm
HIV ccan ccause: c- ccorrect canswers✔✔-Linear cgingival cerythema c
-Kaposi cSarcoma
-Delayed chealing c
-Larger cthan cusual culcers c
-Candidiasis c
-Etc.
Diabetes ccan ccause: c- ccorrect canswers✔✔-Delayed chealing c
-Periodontal cdisease c
-Candidiasis c
-Etc.
ASA c1 c- ccorrect canswers✔✔Normal, cHealthy
ASA c2 c- ccorrect canswers✔✔Pt. cwith cmild csystemic cdiseases. c
-Allergies c
-Controlled chypertension
-Asthma c
-Mild cobesity c
-Pregnancy
-Cigarette csmoking cwithout cCOPD c
-Diabetes cwithout csystemic ceffects
ASA c3 c- ccorrect canswers✔✔Pt. cwith csevere csystemic cdisease cand csome cfunctional
climitation. c
-Controlled cdisease cof cmore cthan cone cbody csystem c
-Controlled cCHF
