雨课堂学堂在线学堂云《儿童口腔医学（四川）》单元测试考核答案

第1题Whichfactorscouldinfluenceoralhealthrisksandchildren’soralhealthstatus?()

AGenesBSocialenvironmentCCulturalenvironmentDPhysicians正确答案：ABC第2题Whencomparedwithpermanentteeth,thecrown/rootratiooftheprimaryteethislarger.()

第3题Aneruptionhematomaismostfrequentlyseenintheprimarysecondmolarorthefirstpermanentmolarregion.Itisalmostalwaysself-limiting.()

第4题Ifthedentistobservessignsofproblemssuchasringworm,orimpetigoduringtheexamination,properreferraltomedicalhospitalisindicatedimmediately.()

第5题Whoshouldbegivenanopportunitytoreceivecompletedentalcare?()较难AEverynewborninfantBEverypre-schoolchildCEverypediatricpatientDEverytoddler第6题Whenistherecommendedtimeforthefirstdentalvisitofthechild?()ATheeruptionofthefirstprimarytoothBTheeruptionofthefirstpermanenttoothCEstablishmentoftheprimarydentitionDEstablishmentofthepermanentdentition第7题Ingeneral,howoftenshouldachildgotovisithispediatricdentist?()

A1~3monthsB3~6monthsC6~9monthsD9~12months第8题Whenshouldthechildren’soralhealthmanagementstart?()

AAtthetimeoferuptionofthefirstprimarytoothBAtthetimeofestablishmentoftheprimarydentitionCAtthetimeofpregnancyDAtneonatalperiod第9题Whichofthefollowingplanesareterminalplanes?()AFlushterminalplaneBMesial-stepterminalplaneCDistal-stepterminalplaneDHorizontal-stepterminalplane正确答案：ABC第10题Whichofthefollowingstatementsaboutthedevelopmentofhumanteethareright?()AThedevelopmentofthetoothstartswiththe10swellingsofthedentallamina.BThedevelopmentoftheenamelorgancanbedividedintobudstage,capstageandbellstage.CInthebellstage,thecellsofthedentalpapilladifferentiateintoameloblasts.DThecalcificationofatoothbeginswiththeprecipitationofasmallnidus.正确答案：BD第11题Whichofthefollowingstatementsaboutthemorphologyoftheprimaryteethareright?()

ATheprimarymandibularcentralincisorissmallerthantheprimarymaxillarycentralincisor.BTheprimarymaxillarysecondmolarresemblesthesuccedaneouspermanentpremolar.CTheprimarymandibularfirstmolardosenotresembleanypermanentteeth.DThedistalcuspoftheprimarymandibularsecondmolaristhelargestcusp.正确答案：AC第12题Whichisthemostcommoneruptionsequenceofthedeciduousdentition?()

A

A→C→B→D→EBA→B→C→D→ECA→B→D→C→EDA→D→B→E→C第13题第14题第15题第1题Supragingivalmarginisunacceptableincompositeresinandstripcrownrestoration.()中等第2题Total-etchingbondingsystemisappliedincompositeresinandstripcrownrestorationforprimaryincisors.37%phosphoricacidisappliedonthepreparedanddriedtoothfor20seconds.()简单第3题RubberdamisNOTneededinanyofcompositeresinandstripcrownrestoration.()简单第4题Polishingisanindispensablestepafterthestripcrownispeeledoffwhenperformingcompositeresinandstripcrownrestoration.()中等第5题Applicationofrubberdamcouldhelptomaintainacleanoperationfieldduringcariestreatment.()简单第6题Stainlesssteelcrownrestorationcanonlybeusedinprimarymolarsrestoration.()简单第7题Stripcrownrestorationisperformedwithglassionomercementmaterial.()简单第8题Thekeysforrestorationofimmaturepermanenttootharetorestorethemorphologyandtoregainadjacentcontact.()中等第9题第10题第11题第12题第13题Whichtypesofdefectsinprimaryincisorscanberestoredwithcompositeresinand/orstripcrown?()简单ALargeproximallesionsBAmelogenesisimperfectaCLarge,discoloredareainthecervicalregionDLargetoothhardtissuelossfromcariesortrauma正确答案：ABCD第14题Whichofthefollowingaretheobjectivesoftreatmentfordentalcariesinprimaryteeth?()简单ACeasethelesionprogressionBRecoverthecontourandmasticatoryfunctionofthetoothCMaintaintheintegrityofthedentitionDBenefitforthephysicalandmentalhealthofthechild正确答案：ABCD第15题Whichofthefollowingfactorsshouldbeconsideredinthecomprehensivetreatmentplanforprimarycaries?()中等AThedevelopmentalstatusofthedentitionBPatient’soralhygieneandcaries-riskassessmentCAnticipatedparentalcomplianceandlikelihoodoftimelyrecallDPatient’sabilitytocooperatefortreatment正确答案：ABCD第16题Whichofthefollowingarefluoridereleasingmaterialswecanchooseincavityfilling?()中等AGlassionomersBGlassionomermodifiedresinCSilveramalgamalloyDCompomer正确答案：ABD第17题Vitalpulptherapyfordeepcariesinprimaryteethcontainsindirectpulptherapyandpulpotomy.()简单第18题GICandresinarecommonlyusedindentalcariesrestorationinprimaryteeth.()简单第19题Comparedtodeepdentalcariesinadult(permanentteeth),thetherapeuticstrategyofdeepcariesmanagementinprimaryteethwouldfocusmoreonhardtissuerestoration,ratherthanthepulpstatus.()较难第20题Duringthepreventiveresinrestoration,cottonrollsorarubberdamcanbeusedfortoothisolation.()简单第21题Duringthepreventiveresinrestoration,agelof70%phosphoricacidiscommonlyusedfor10seconds.()中等第22题Duringthepreventiveresinrestoration,thebondingagentisappliedtothecavity.Thebondingagentmustbeasthickaspossible.()简单第23题Mandibularmolarsarethemostsusceptibleteethtodentalcariesinprimarydentitionin5yearsoldagegroup.()简单第24题Fluoridevarnishandsilverdiaminefluorideapplicationarenotsuitablefortreatingdecayedprimaryincisors.()中等第25题Whenperformingcompositeresinandstripcrownrestoration,localanesthesiaisNOTnecessaryinanycases.()简单第26题Whichofthefollowingisthephysiologicalbasisofindirectpulptherapyindeepcaries?()较难AReactionarydentinogenesisBPrimarydentinogenesisCReparativedentinogenesisDTertiarydentinogenesis第27题Whichofthefollowingdoesnotbelongtothetherapeuticstrategiesforanterior/posteriorcariesinchildren?()中等AStripcrownsrestorationBProphylaxisCGICorresinrestorationDPreformedstainless-steelcrown第28题Whichoneofthefollowingistheindicationforpreventiveresinrestoration?()简单ASmallclassIcavitiesandadjacentsusceptiblepitsandfissuresBMinorclassIIIcavitiesofanteriorteethCDeeppitsandfissureswithoutcariesDClassIIcavitiesofposteriorteeth第29题TheSSCcrownsarecommerciallyavailable.Whichofthefollowingtoothpartdeterminesthecrownsize?()简单ARemainingtoothstructureBLabial-palatalwidthCMesial-distalwidthDOcclusiveheight第30题Whichtypeofcrownmarginsdoesthetoothpreparationrequireincompositeresinandstripcrownrestorationforprimaryincisors?()较难AFeather-edgedBShoulderCChamferDBeveledshoulder第31题Whenachildwithdeepcariesfeelsscaryaboutthehandpiece,whichtechniquecanwechoosetorestorethecarieslesioninstead?()中等AAtraumaticrestorativetreatmentBStainlesssteelcrownrestorationCStripcrownrestorationDEnameloplasty第32题Forimmaturepermanenttoothwithcariesinsomeofitsfissures,whatcanweapplytocontrolthelesionandalsopreventfuturecaries?()简单AAtraumaticrestorativetreatmentBStainlesssteelcrownrestorationCFluoridevarnishDPreventiveresinrestoration第33题Whichofthefollowingclassificationsofdentalcariesarebasedonthesiteofthelesion?()简单AArrestedcariesBCervicalsurfacecariesCOcclusalsurfacecariesDInterproximalsurfacecaries正确答案：BCD第34题Comparedwithpermanentteeth,whichofthefollowingsarenotthecharacteristicsofprimaryteeth?()中等AlowercalcificationlevelBPronouncedbuccalcervicalbulgeCWeakeracidresistanceDThickerenamelanddentin正确答案：ABC第35题Whichofthefollowingsaspectsthatdentalcarieswillimpacton?()中等AMasticationBPhonationCEstheticsDGeneralimmunity正确答案：ABCD第36题Whichofthefollowingstepsshouldbeincludedinthepreventiveresinrestoration?()中等ACleaning,isolating,andreexaminingthetoothBToothpreparationofthemesiodistalsurfaceofthetoothCEtchingthesusceptiblegroovesDPlacingthebondingagents正确答案：ACD第37题Whichaspectsofthefollowingswouldbeaffectedbyprimaryincisorscaries?()简单ASpeechBMasticationCEstheticsDSelf-esteem正确答案：ABCD第38题Whichistheearliesteruptedpermanenttooth?()中等APermanentcentralincisorBPermanentcanineCFirstpermanentmolarDFirstpermanentpremolar单元习题第1题Bleedingintotherootcanalshouldbestoppedatthecemento-enameljunctioninpulprevascularization.()中等第2题Thecrownshouldbeseatedfromthelingualmargintothebuccalmarginfortheprimarymaxillarymolars.()中等第3题第4题第5题第6题Thereisnoneedtoestablishtherootlengthafterapexificationbecauseofincompleterootformation.()中等第7题Whichofthefollowingconditionscanchoosestainlesssteelcrownrestoration?()简单APrimarymolarswithextensiveand/ormultiple-surfacecarieslesionsBMolarswithdentinogenesisimperfectaCPulptomizedprimarymolarswhenthereisanincreaseddangeroffractureoftheremainingcoronaltoothstructureDPrimarymolarsusedasabutmentsforspacemaintainers正确答案：ABCD第8题Whichofthefollowingconditionsarenotrecommendtodostainlesssteelcrownrestoration?()简单APatientisunabletocooperatewiththetreatmentBChildrenareallergictostainlesssteelmaterialCParentshavedoubtaboutmetalmaterialDPrimarytoothisapproachingexfoliation正确答案：ABCD第9题Cariesremovalresultsinpulpexposure,thebloodisbrightredatamputationsite,andhemostasisisinfiveminutesafteramputationinthe#84toothofafive-year-oldgirl.Thesearetheindicationsofpulpotomy.()中等第10题Selectiveremovalofsoftdentinisrecommendedindeepcavitatedlesions(radiographicallyextendingintothepulpalthirdorquarterofdentin).()较难第11题Apexificationisamethodtoinducecontinuousrootdevelopmentofanincompletelyformednon-vitalyoungpermanenttooth.()中等第12题Pulpectomyisarootcanalprocedureforpulptissuethatisirreversiblyinfectedornecroticduetocariesortrauma.()简单第13题TheprimarymolarwithdeepcariesandIIImobilityin5-year-oldboymayindicatethepulpofthetoothisnecrotic.()中等第14题Pulptherapyoptionforprimaryteethdependsontheextentofthepulpinfected.()中等第15题Thesuccessrateofdirectpulpcappingisgreaterinpermanentteeththaninprimaryteeth.()较难第16题Theproceduresofregenerativeendodonticproceduresforimmaturepermanentteethprovideabiologicalalternativetoinducecontinuousrootdevelopmentandreducetheriskoffractureassociatedwithtraditionaltreatmentsofimmatureteethwithnecroticpulps.()中等第17题Forafour-year-oldboy,ifthetreatmentplanforhistooth#84ispulpotomy,buttherootpulpisdarkredandthepulpbleedingdidnotstopwithinfiveminutes.Whichtreatmentplanshouldthedentistchoosenext?()较难AIndirectpulptreatmentBDirectpulpcappingCPulpotomyDPulpectomy第18题Asix-year-oldboyandhisparentscometoyourofficewithachiefcomplaintforcolorchangeoftooth#51.X-rayexaminationshowedthattherewas1/3apicalrootresorptionoftooth#51.However,theeruptingangleofthecorrespondingpermanentcentralincisorhadturntolabial.Whattreatmentshouldberecommended?()较难AObservingfor3monthsBExtractionof#51CRootcanaltreatmentof#51DRevascularizationof#51第19题Whichtreatmentinthefollowingoptionsforthepulplessimmaturepermanentteethcouldreducetheriskoflong-termrootfracture?()中等AApexificationBPulpotomyCApicalbarriertechniqueDPulprevascularization第20题Whichmaterialcanbeappliedtoformartificialbarrierinapicalbarriertechnique?()中等ACalciumhydroxideBSodiumhypochloriteCMineraltrioxideaggregate(MTA)DHotgutta-percha第21题Whentry-inthestainlesssteelcrown,howmanymillimeters()belowthefreemarginofthegingivacanthemarginofcrownextend?()中等A0.5B1C1.5D2第22题Whichofthefollowingaretheetiologicfactorsofthepulpdiseasesofyoungpermanentteeth?()简单ACariesBTraumaCDysplasiaDMalocclusion正确答案：ABC第23题Whichofthefollowingsofttissuemanifestationsmaybeenseenwhenatoothisaffectedbyirreversiblepulpdisease?()中等AFacialswellingwithsubmandibularlymphadenopathyBDrainingfistulaCRednessandswellingofthevestibulumandgingivaDGingivapustuleandfistula正确答案：ABCD第24题Whichofthefollowingfactorswouldinfluencethetreatmentplanofspacemaintaineraftertheextractionofprimaryteeth?()中等AToothpositionBAgeCDevelopmentstageofthesuccedaneouspermanenttoothDReasonfortheextractionofprimaryteeth正确答案：ABC第25题Whichfactorsofthefollowingdothecontinuedrootdevelopmentofimmaturepermanentteethdependon?()简单AVitalpulpBDentinCApicalpapillaDHertwig'sepithelialrootsheath正确答案：ACD第26题Whichofthefollowingcharacteristicsaretheadvantagesofstainlesssteelcrownrestoration?()简单AConvenientBTooth-likecolorCComfortablefitDSuperiorlongevityandlowreplacementrate正确答案：ACD第27题Whichofthefollowingisnotthecharacteristicoftheprimaryteethcomparingtothepermanentteeth?()简单AThinnerenamelBLowerdegreeofmineralizationCThickerdentinDLargerpulpchamber第28题Whichofthefollowingisthevitalpulptherapyforprimaryteeth?()简单AIndirectpulptherapyBPulpectomyCExtractionDApexification第29题Whichisnotthefixedspacemaintainer?()中等ACrownloopspacemaintainerBRemovablespacemaintainerCNancemaxillaryholdingarchDLingualarchspacemaintainer第30题Ifwewanttochecktheinterproximalareaofatooth,whattypeofX-rayexaminationshouldberecommended?()中等ABitewingradiographsBPeriapicalradiographsCPanoramicradiographDConebeamCT第31题Whichoneisvitalpulptherapyforprimaryteethinthefollowingoptions?()简单APulpregenerationBPulpectomyCPulpotomyDApexification第32题单元习题第1题第2题Thereistoothfragmentlossintoothinfraction.()中等第3题Forarootfracturetooth,thecoronalfragmentisusuallymobile.()简单第4题Asdentalimplanttechniqueiswelldeveloped,thereisnoneedtodotoothreplantationforamatureavulsionpermanenttooth.()简单第5题Foraconcussiontooth,notreatmentisneeded.()简单第6题Allchildrenwithsoft-tissueinjuryshouldbeprovidedwithprimaryimmunizationoftetanus.()(简单)第7题Ifthepatientisseenwithinthefirst24hours,ifpulpexposureissmall,andifsufficientcrownremainstoretainatemporaryrestoration,theemergencytreatmentshouldbedirectpulpcapping.()(中等)第8题Accordingtotheinflammationextentandtheaccesstoretainthecoronalrestoration,pulpotomycontainsshalloworpartialpulpotomy,andconventionalorcervicalpulpotomy.()(简单)第9题Localanesthesiaisneededintheavulsedtoothreplantation.()中等第10题第11题第12题第13题Foranclosedapextoothofmorethan7mmintrusion,whichistheidealrepositionmethodforfirstdentalvisit?()较难AEndodonticrepositionBOrthodonticrepositionCSpontaneousrepositionDSurgicalreposition第14题Foranopenapextoothofavulsion,whentheoutofsocktimeisabout15minutes,whichofthefollowingisthefirstchoiceoftreatment?()中等ARCT+observationofperiodontalmembranerecoveryBRCT+briefwashofperiodontalmembraneCNotreatmentofpulp+observationofperiodontalmembranerecoveryDNotreatmentofpulp+briefwashofperiodontalmembrane第15题Foraclosedapextoothofavulsion,thetoothhasbeenputbackintothesockimmediately,whichofthefollowingisthebestchoiceoftreatment()中等ARCT+observationofperiodontalmembranerecoveryBRCT+briefwashofperiodontalmembraneCNotreatmentofpulp+observationofperiodontalmembranerecoveryDNotreatmentofpulp+briefwashofperiodontalmembrane第16题Whenachildwithtoothinjurycomestothedentalclinic,whatshouldwedofirstly?()简单ATakingathoroughclinicalexaminationoftheinjuredtoothBEstablishthetimeoftheinjuryandalerttothepotentialproblems,suchascervicalspineorintracranialinjuryCTakingaradiographicexaminationDDebridement,suturing,andhemorrhagecontrolofsoft-tissuewounds第17题Whichmethodofthefollowingistheonethatweusemostlyintheclinicalpracticetostabilizethereplantedtooth?()简单AFlexiblesplinttechniqueBOrthodonticbracketsandwireCArchbarsplintsandwireligaturesplintsDTitaniumtraumasplints第18题Whenwilltheflexiblesplintfortheavulsedtoothnormallyberemoved?()中等A1weekB2weeksC4weeksD6weeks第19题Whenwetakethehistory,examinethepatientclinicallyandradiographicallyandpreparethepatientforthereplantation,whereshouldtheavulsedtoothbekept?()简单ADryBInthepurewaterCInastoragemedium,suchassterilesalineDInthepatient’smouth第20题Whichofthefollowingsaredentaltraumatypesthatbelongtothetoothfracture?()中等ASubluxationBInfractionCRootfractureDCrown-rootfracturewithoutpulpexposure正确答案：BCD第21题Whichexaminationsshouldbeperformedattheinitialappointmentofchildwithimmaturepermanenttoothinjury?()中等AInspectionBRadiographicexaminationCThermaltestDElectricvitalitytest正确答案：AB第22题Whichoftheflowingarethecharacteristicsoftheidealmethodtostabilizethereplantedteeth?()较难AFabricatedirectlyinthemouthwithoutlaboratorystepBEasytoplaceandremoveCNoocclusalinterferencesDStabilizethereplantedteethinthealveolarsocketrigidlywithoutnormalphysiologicmovements正确答案：ABC第23题Foranenamel-dentin-pulpfractureinamaturepermanenttooth,whichofthefollowingisthefirsttreatmentchoice?()中等APulpcappingBPulpotomyCApexificationDRootcanaltherapy第24题Foranenamel-dentin-pulpfractureinanimmaturepermanenttooth,whichofthefollowingisthefirsttreatmentchoice?()中等APulpcappingBPulpotomyCApexificationDRootcanaltherapy第25题WhichoneofthefollowingdentaltraumatypesdoesNOTbelongtothetoothfracture?()简单AConcussionBInfractionCEnamel-dentinfractureDCrown-rootfracturewithpulpexposure第26题Whichoneofthefollowingistheemergencytreatmentofcrown-rootfracturewithoutpulpexposure?()中等AStabilizetheloosefragmenttoadjacentteethBExtractfragmentCOrthodonticextrusionofapicalfragmentDSurgicalextrusionofapicalfragment第27题Whichoneofthefollowingmaterialscannotbeusedinpulpcappingofimmaturepermanenttooth?()较难ACa(OH)2BFeS(Ferroussulfide)CiRootBPDMTA第28题Whichagegroupismostpronetodentaltrauma?()简单A4~5yearsB6~9yearsC10~12yearsD13~18years第29题Howcanyoudifferentiateconcussionfromsubluxation?()中等AThereispercussiontenderinconcussionbutnotinsubluxation.BThereispercussiontenderinsubluxationbutnotinconcussion.CThereistoothmobilityinconcussionbutnotinsubluxation.DThereistoothmobilityinsubluxationbutnotinconcussion.第30题Whichoneofthefollowingclinicalfindingsofconcussionisincorrect?()中等AToothdisplacement:NoBGingivalsulcusbleeding:NoCMobility:NoDPercussiontender:No第31题Foranopenapextoothof3-7mmintrusion,whichistheidealrepositionmethodforfirstdentalvisit?()中等AEndodonticrepositionBOrthodonticrepositionCSpontaneousrepositionDSurgicalreposition第32题Howcanyoudifferentiateextrusiveluxationfromsubluxation?()简单AThereistoothmobilityinextrusiveluxationbutnotinsubluxation.BThereistoothmobilityinsubluxationbutnotinextrusiveluxation.CThereistoothdisplacementinextrusiveluxationbutnotinsubluxation.DThereistoothdisplacementinsubluxationbutnotinextrusiveluxation.单元习题第1题第2题Child’scooperation,transportationissues,financialconstraints,psychosocialconsiderationsmightallplayaroleinimpedingaccesstooralhealthcareforchildrenwithspecialhealthcareneeds.()简单第3题TypeIdentinogenesisimperfectaisalsocalledhereditaryopalescentdentin.()中等第4题Thedefectivetoothstructureofpatientswithamelogenesisimperfectaislimitedtotheenamel.()简单第5题第6题第7题第8题WhenmanagingoralhealthofchildrenwithSHCN,dentistsshouldperformacomprehensiveclinicalexamination,butusuallydon’thavetoconsultthephysicians.()简单第9题ForchildrenwithSHCN,orthodonticconsiderationsarenotnecessary.()简单第10题Whichofthefollowingisthedefectonthecrownsofuneruptedpermanentteeth?()简单APre-eruptivecoronalresorptionBIncipientcariesCEnamelhypoplasiaDEarlycaries第11题Whichdrugshavebeenreportedtoinducegingivalovergrowth?()较难APhenytoinBCyclosporinCValproicacidDPhenobarbital正确答案：ABCD第12题WhichofthefollowingaretheoralmanifestationsofAIDS?()较难AFungalinfectionBEpstein-BarrvirusinfectionCLinergingivalerythemaDNecrotizingulcerativeperiodontitis正确答案：ABCD第13题WhichofthefollowingconditionsdoesthechildrenwithSCHNmaycarry?()简单ABehavioraldisordersBCongenitaldisordersCCognitivedisordersDSystematicdiseases正确答案：ABCD第14题IfchildrenwithSHCNwilltakedentaltherapy,whichofthefollowingtreatmentoptionsshouldthephysiciansbeconsulted?()简单AMedicationsBSedationCGeneralanesthesiaDSpecialrestrictionsorpreparationsthatmayberequiredtoensurethesafedeliveryoforalhealthcare正确答案：ABCD第15题Basedonthemorphology,whichofthefollowingarecategoriesofodontoma?()中等ACompoundBConjunctCComplexDSyndromic正确答案：AC第16题TheoraldiseaseswhichchildrenwithSHCNwouldprobablysufferfromaremostlydentalcariesandperiodontaldiseases.()简单第17题Adentalhomeshouldbeestablishedby12monthsofage,butnotforchildrenwithSHCN.()简单第18题Whichofthefollowingviruswillcommonlycauseacquiredimmunodeficiencysyndrome(AIDS)?()简单AHumanimmunodeficiencyvirus(HIV)type1BHumanimmunodeficiencyvirus(HIV)type2CHumanimmunodeficiencyvirus(HIV)type1and2DHumanimmunodeficiencyvirus(HIV)type1or2正确答案：A第19题WhichoneisNOTtheoralmanifestationofleukemia?()中等ARegionallymphadenopathyBMucousmembranepetechiaeandecchymosesCGingivalbleedingandhypertrophyDLymphomas第20题Whichofthefollowingpopulationisdefinedasthosewith“anyphysical,developmental,mental,sensory,behavioral,cognitive,oremotionalimpairmentorlimitingconditionthatrequiresmedicalmanagement,healthcareintervention,and/oruseofspecializedservicesorprograms”?()简单AChildrenwithspecialhealthcareneedsBIndividualswithspecialhealthcareneedsCChildrenwithhealthcareneedsDIndividualswithhealthcareneeds第21题ThedentaltreatmentplanforchildrenwithSHCNcomesinseveralphases.WhichofthefollowingisthetreatmentplaninPhase1?()中等ARelievethepainandcontrolinfectionsBTreatoreliminateexistinguntreateddiseasesCPlanforpreventionoffurtherdiseasesDEstablishdentalhome第22题ThedentaltreatmentplanforchildrenwithSHCNcomesinseveralphases.WhichofthefollowingisthetreatmentplaninPhase2?()中等ARelievethepainandcontrolinfectionsBTreatoreliminateexistinguntreateddiseasesCPlanforpreventionoffurtherdiseasesDAssesspatientthoroughly第23题ThedentaltreatmentplanforchildrenwithSHCNcomesinseveralphases.WhichofthefollowingisthetreatmentplaninPhase3?()中等ARelievethepainandcontrolinfectionsBTreatoreliminateexistinguntreateddiseasesCPlanforpreventionoffurtherdiseasesDConsultthephysician第24题Whichofthefollowingistheunionoftwoindependentlydevelopingprimaryorpermanentteethinvolvingonlycementum?()中等AFusionofthetoothBGeminationCConcrescenceoftoothDDensindente第25题Whichofthefollowingistheetiologicfactorofmarginalgingivitis?()简单ADentalplaqueBDentaltraumaCDrugadministrationDHereditaryfactor第26题Whichofthefollowingisthetreatmentprincipleoftraumaticperiodontitis?()中等ARinselocallyBEliminatetraumaticfactorCRemoveirritantsbyscalingandpolishingDKeepgoodoralhygiene第27题Whichkindofhistorydoesdrug-inducedgingivalovergrowthhave?()简单ADrugadministrationBDentaltraumaCDentaltreatmentDMouthrinse第28题WhichoneofthefollowingsystematicdiseasesdoesNOThaveperiodontitisasamanifestation?()中等ADownsyndromeBAcquiredneutropeniaCLangerhanscellhistiocytosisDLymphomas第29题WhichfactorisindeficiencyinpatientwithHemophiliaA?()简单AFactorVIIIBFactorIXCFactorXIDVonWillebrandfactor第30题Whichlevelofprocoagulantisdefinedasmoderatedeficiency?()中等ALessthan1%BBetween1%and5%CBetween1%and10%DBetween55%and60%单元习题第1题第2题第3题第4题Theteetharesubjectedtovariesforcessuchaslip,tongue,masticatorymuscles,swallowingandspeakingefforts,butdonotmoveunderusualcircumstances.Thebalancebetweenlong-durationpressurefromthetongueversusliporcheekpressurechanges,thetoothmovementwillhappen.()中等第5题Suckingindexfingerormiddlefingermaycausepartialopen-biteorcrossbiteoftheanteriorteeth.()中等第6题BitinglowerlipcancausecrossbiteandClassIIImalocclusion.()中等第7题Duringclosuremovements,prematurecontactsduetothelingualmal-positioningmayresultinaforwardmandibulardeviationtoeffectfullclosurethatlockstheanteriorsegmentinacrossbitepostureinvolvingmultipleteeth.()简单第8题Sleepdisorderedbreathingisassociatedwithavarietyoforalandcraniofacialproblemsincludingchinretrusion,ClassIImalocclusion,verticalgrowthdirection,andsleepbruxism.()中等第9题Skeletalposteriorcrossbitescanbetreatedbytheuseofcross-archelastics.()较难第10题TheSNplanedenotestheAPextentoftheanteriorcranialbase.()中等第11题Ifthereisstillnorelieveofcrowdinginlowerincisorsegmentinchildrenaround8yearsold,theocclusionguidanceshouldbecarriedoutaccordingtothecrowdingdegree.()简单第12题Apatienthas5.5mmcrowdinginhislowerteetharch,and4.5mmcrowdinginhisupperteetharch,hiscrowdingdegreeisseverecrowding.()简单第13题Theectopiceruptionof1stpermanentmolarcouldobserveuntilpermanentmolar,becauseitmaybeirreversible.()中等第14题Whichofthefollowingoptionsarethereasonsofdeleteriousoralhabits?()中等AFatigue,hungerBEnlargedtonsilsCLackofsenseofsecurityDAirwayobstructionandothercomplexphysicalandpsychologicalfactors正确答案：ABCD第15题Whichoffollowinghabitsarechildren'sdeleteriousoralhabits?()简单ADigitalsuckingBLipbitinghabitCTonguethrustswallowDMouthbreathing正确答案：ABCD第16题Whichofthefollowingmalocclusionareassociatedwithdigitalsucking?()中等ADeepoverjetBOpen-biteCAnarrowupperarch.DCrossbite正确答案：ABCD第17题Aboutsequentialslicingoftheprimaryteeth,whichofthefollowingoptionsareright?()中等ASlicingthepermanentcentralincisorwillhelpectopiceruptedlaterincisoraligningintothetootharch.BSequentialslicingoftheprimarycaninewillallowspontaneousalignmentofthelateralincisors.CSequentialslicingdistalsurfaceofthemaxillarysecondprimarymolarwillfacilitateeruptionofmaxillarypermanentmolar.DEnamelstrippingofthemesialsurfaceofmandibularprimaryfirstmolarswillfacilitateeruptionofthemandibularpermanentcanine.正确答案：BD第18题Whatmethodscanbeusedtotreatmoder