牙体牙髓病学 英文试题.pdf

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1、牙体牙髓病学牙体牙髓病学英文试题英文试题一、选择题一、选择题1.1.对牙髓最具有破坏性的是对牙髓最具有破坏性的是A.Nd 激光B.CO2 激光C.红激光D.光固化灯E.牙髓活力电测定仪2.2.感染根管常见的优势菌不包括感染根管常见的优势菌不包括A.普氏菌B.放线菌C.G细菌D.真杆菌E.梭形杆菌3.3.备洞时易损伤牙髓的因素不包括备洞时易损伤牙髓的因素不包括A.施力大B.用冷却剂C.持续常时间钻磨D.制备深的窝洞E.不用冷却剂4.4.与顽固性根尖周病变和窦道经久不愈可能有关的细菌为与顽固性根尖周病变和窦道经久不愈可能有关的细菌为A.普氏菌B.放线菌C.G细菌D.真杆菌E.梭形杆菌5.5.判断牙

2、髓活力最可靠的检查方法是判断牙髓活力最可靠的检查方法是A.热诊B.冷诊C.牙髓活力电测定D.试验性备洞E.X 线检查6 6诊断残髓炎最准确的依据是诊断残髓炎最准确的依据是A.叩诊B.牙髓活力测试C.病史D.症状E.探查治疗后根管有痛觉7 7急性根尖周脓肿最佳的排脓途径急性根尖周脓肿最佳的排脓途径A.从牙周间隙排脓B.从颊、舌侧粘膜或皮肤排出C.经根管从龋洞排脓D.从上颌窦或鼻腔排脓E.以上都不对8 8感染侵入牙髓组织的途径感染侵入牙髓组织的途径A.深龋B.深牙隐裂C.深牙周袋D.重度磨耗E.以上都有可能9 9根尖周炎疼痛最剧烈的阶段是根尖周炎疼痛最剧烈的阶段是A.粘膜下脓肿期B.骨膜下脓肿期C

3、.浆液期D.根尖脓肿期E.瘘管形成期1010上颌第一磨牙的根管形态特点是：上颌第一磨牙的根管形态特点是：A.多数是 2 根管，即 1 个颊根管和 1 个腭根管B.多数是 3 根管，即 1 个近颊、1 个远颊和 1 个腭根管C.多数是 4 根管，即 2 个近颊、1 个远颊和 1 个腭根管D.多数是 4 根管，即 1 个近颊、2 个远颊和 1 个腭根管C CC CB BB BD DE EC CE EB BC CE.多数是 4 根管，即 1 个近颊、1 个远颊和 2 个腭根管11111515 号标准根管锉的锉尖直径和刃部末端直径分别是：号标准根管锉的锉尖直径和刃部末端直径分别是：A.0.10mm 和

4、 0.47mmB.0.10mm 和 0.45mmC.0.15mm 和 0.45mmD.0.15mm 和 0.47mmE.以上都不对1212弯曲根管预备的常见并发症是：弯曲根管预备的常见并发症是：A.根管台阶B.药物性根尖周炎C.牙周组织坏死D.皮下气肿E.误戏和误咽1313根管预备的工作长度是指：根管预备的工作长度是指：A.牙的实际长度B.从牙冠参照点到牙本质牙釉质界C.从牙冠参照点到解剖根尖孔D.从牙冠参照点到生理根尖孔E.从牙冠参照点到距生理根尖孔0.51mm1414根管成形的标准是：根管成形的标准是：A.根管比原来直径至少扩大3 个器械号B.根尖预备到 20 号标准器械C.根管内无大量渗

5、出D.根管冲洗无混浊液体E.根管内无严重气味1515下列哪一项不是牙髓切断术的潜在并发症：下列哪一项不是牙髓切断术的潜在并发症：A.根髓感染B.根管钙化C.内吸收D.牙髓坏死E.髓室穿孔1616下列哪一项描述不是玻璃离子粘固剂修复术窝洞预备的特点（）下列哪一项描述不是玻璃离子粘固剂修复术窝洞预备的特点（）A.玻璃离子粘固剂与牙体组织有化学粘接，对固位形的要求可放宽B.不必作倒凹、鸠尾等固位形C.去除龋坏牙本质，必须作预防性扩展D.窝洞的点、线角圆钝E.洞缘釉质不作斜面1717深龋患者激发痛较重，洞底软龋能够彻底去净，治疗方法应选择（）深龋患者激发痛较重，洞底软龋能够彻底去净，治疗方法应选择（）

6、A.双层垫底，一次完成充填治疗B.局麻下开髓失活，行牙髓治疗C.先做安抚治疗，待 12 周复诊时症状消除后，再以双层垫底充填治疗D.实行活髓切断术E.间接盖髓、双层垫底，一次完成充填治疗1818临床上不易查出的继发龋可用下列哪些方法帮助诊断（）临床上不易查出的继发龋可用下列哪些方法帮助诊断（）A.探诊B.温度测验C.X 线D.染色法E.麻醉法1919深龋备洞时，下列哪项措施是错误的（）深龋备洞时，下列哪项措施是错误的（）A.洞底平、侧壁直，两相垂直B.去尽腐质C.保护牙髓D.洞缘线圆钝E.尽量保留健康牙体组织2020复合树脂充填后脱落的原因如下，除了（）复合树脂充填后脱落的原因如下，除了（）D

7、 DA AD DA AE EC CC CC CA AA A2A.制备了固位形B.牙齿表面未注意清洁C.酸蚀后的牙面接触唾液D.未制备洞斜面E.充填体过薄2121下列哪项不是窝洞的基本固位形下列哪项不是窝洞的基本固位形()A.侧壁固位B.钉道固位C.倒凹固位D.鸠尾固位E.梯形固位2222制备倒凹是为了：制备倒凹是为了：()A.获得良好的抗力形B.获得良好的固位形C.便于垫底D.便于充填E.便于放置盖髓剂2323V V 类洞充填备洞时，要求：类洞充填备洞时，要求：()A.适当的固位形B.严格的抗力形C.必须做鸠尾D.口小底大E.底平壁直2424右下颌第一恒磨牙颊面龋洞破坏越过边缘嵴至咬合面窝沟是

8、：右下颌第一恒磨牙颊面龋洞破坏越过边缘嵴至咬合面窝沟是：(A.I 类洞B.II 类洞C.III 类洞D.IV 类洞E.V 类洞2525垫底的部位为：垫底的部位为：()()A.仅在髓壁B.仅在轴壁C.仅在侧壁D.仅在髓壁和轴壁E.任何壁均可垫2626下列说法正确的是下列说法正确的是A.男性患龋率略高于女性B.龋病流行率主要随社会经济模式而变化C.龋病流行模式依靠地理环境而改变D.遗传因素对龋病的发生和发展产生重要的影响E.环境因素对龋病的发生和发展无影响2727釉质龋损害的釉质龋损害的 4 4 个区不包括个区不包括A.坏死区B.透明带C.暗带D.损害体部E.釉质表面层2828牙本质龋损在光镜下可

9、看到微生物渗透至牙本质小管的区域是牙本质龋损在光镜下可看到微生物渗透至牙本质小管的区域是A.坏死区B.感染层C.牙本质脱矿区D.硬化区E.修复性牙本质层2929静止龋属于静止龋属于A.急性龋B.慢性龋C.继发龋D.牙釉质龋E.牙骨质龋3030病程进展快，多数牙在短期内同时患龋的急性龋称为病程进展快，多数牙在短期内同时患龋的急性龋称为A.湿性龋B.慢性龋C.干性龋D.继发龋B BB BA A)A AD DB BA AB BB BE E3E.猛性龋31.31.Which is the best way of pain control for endodontic treatmentWhich is

10、 the best way of pain control for endodontic treatmentALocal anestheticsBDevitalizationCAnalgesicsDOcclusal reductionEIncising and drainage32.32.Which one is not the reason for use of rubber damWhich one is not the reason for use of rubber damAProtect aspiration or swallowing of instruments or irrig

11、antsBEliminate the dental fear of patientsCImprove visibilityDReduced risk of cross-contaminationELegal considerations33.33.The following statements are correct exceptThe following statements are correct exceptANearly all canals exhibit a certain degree of curvature.BThere may be more than one canal

12、s within one root.CThe apical foramen usually opens at the anatomical apex.DApical constriction occurs at 0.51mm from the apical foramen.ELateral and accessory canals might be the cause of treatment failure.34.34.Which one is wrong regarding the principle of access cavityWhich one is wrong regarding

13、 the principle of access cavityAStraight-line accessBConservation of tooth structureCUnroofing of the chamber and exposure of pulp hornsD.Facial surface of anterior teethEOcclusal surface of posterior teeth35.35.The advantages of gutta-percha as a filling material areThe advantages of gutta-percha a

14、s a filling material areAIt is compactible and adapts excellently to the irregularities and contour of the canalBIt is radiopaqueCIt can be easily removed from the canal when necessaryDIt can be softened and made plastic by heat or by organic solventsEAll of the above36.36.Which one is incorrect abo

15、ut the criteria of the root canal is ready to be filled after theWhich one is incorrect about the criteria of the root canal is ready to be filled after thecompletion of root canal cleaning and shaping?completion of root canal cleaning and shaping?AThe tooth is asymptomatic.BThe canal is wet.CThere

16、is no sinus tract.DThere is no foul odor.EThe temporary filling is intact37.37.Which one is not the pathways of pulpal and periapical infections?Which one is not the pathways of pulpal and periapical infections?ADentinal tubulesBPulp exposureCGingivalDPeriodontal ligamentEAnachoresis38.38.Tug-back i

17、s achieved and the canal is ready for fillingTug-back is achieved and the canal is ready for fillingAWhen the gutta-percha has extended beyond the apexBWhen the gutta-percha is easily removed from the root canalCWhen the gutta-percha placed to apical constriction exhibits resistance on removalDAfter

18、 cementationENone of above439.39.Most root canal infections involveMost root canal infections involveAa single obligate anaerobic speciesBmultiple anaerobic species onlyCmixed aerobic and anaerobic microorganismsDmultiple aerobic species onlyEnone of above40.40.An abnormally shaped tooth that may ap

19、pear as an extra wide crown,a normal crownAn abnormally shaped tooth that may appear as an extra wide crown,a normal crownwith an extra root,or other combinations resulting from the union of two adjacent toothwith an extra root,or other combinations resulting from the union of two adjacent toothgerm

20、s by dentin during development is calledgerms by dentin during development is calledAfused teethBconcresence of teethCgeminated teethDdilacerations of toothEtaurodontism41.41.Which isnt the nonWhich isnt the non-operative treatment of dental caries in the following?-operative treatment of dental car

21、ies in the following?Aapplication of fluorideBapplication of APF gelCremineralizative therapyDenameloplastyEpit and fissure sealing42.42.Which is not the aim of operative therapy on the dental caries management?Which is not the aim of operative therapy on the dental caries management?ATo remove infe

22、cted dentine and prohibit cariesBTo protect the pulp and avoid painCTo enhance the strength of the toothDTo facilitate plaque controlETo restore the appearance(of teeth)and its function43.43.Which is the best statement about resistance formWhich is the best statement about resistance formA AResistan

23、ce form is the design of a cavity in such a way that the remaining tooth substanceand the restorative material can withstand masticatory stressB BThe bulk required will depend on the flexural strength of restorative material.In the case ofamalgam it is estimated that a minimum of 1.5-2mm thickness o

24、f the restorative material isrequired to withstand masticatory stressC CIf a marginal ridge is found to be too weak in the cause of an occlusal cavity preparation,aClass II cavity may have to be prepared instead,so as to eliminate the weak marginal ridge.This isparticularly indicated where the ridge

25、 is only of enamel thickness and unsupported by sounddentineD DThe cavity should be designed that the occlusal margins of the cavity are in areas notsubjected to excessive occlusal trauma,otherwise the enamel wall of the cavity and/or the marginsof the restorative material may fracture.In practice,t

26、his may be achieved by placing an occlusalmargins of a cavity about one-quarter(1/4)of the intercuspal distance.Note,that efforts shouldalways be made to conserve sound tooth tissueE EAll of the above44.44.Which is the most danger area of tooth in dental caries occurred after you have learnedWhich i

27、s the most danger area of tooth in dental caries occurred after you have learneddental caries?dental caries?APits and fissures on occlusal surfaces of molars and premolarsBApproximal surfaces of all teeth.CGingival thirds of all teeth,both on facial and lingual surfacesDPits and fissures near the li

28、ngual of maxillary incisors and canines(lingual pits)5EPits and fissures on the buccal of molars45.45.Which is not true in the following statement about dental caries and micro-organisms?Which is not true in the following statement about dental caries and micro-organisms?A ACariescouldbeinducedbyspe

29、cificbacteria,especiallymutansstreptococci-group(eg.Streptococcus mutansand Strep.sobrinus).B BThere are caries occurred when only fed a cariogenic(high sucrose)diet.C CIn the60s Keyes infected germ-free animals with known strains of streptococci and foundthat these organisms were transferred to uni

30、nfected litter mates who then became susceptible tocaries.He thus demonstrated that dental caries was potentially infectious and transmissible.D DWhentalkingaboutcariogenicmicroorganisms,weoftenrefertoStreptococcusmutans,Lactobacillus and Actinomyces.EOcclusal caries could be prevented using penicil

31、lin in animal study.46.46.The advantages glass-ionomer cement includeThe advantages glass-ionomer cement includeAhigh adhesion propertiesBlow abrasion propertiesCuse as a permanent restorationDreduction in caries due to fluoride releasing propertiesEall of the above47.47.Which one of the statements

32、is error in retentive pin placementWhich one of the statements is error in retentive pin placementAbe avoided bifurcation and trifurcation areasBparallel to the external surface of the toothCmany pin holes be better placed in different planesDthe length of pin in dentine should be longer than that o

33、f in restorationEbe in the hardest dentine48.48.The reasons of spontaneous pain after tooth filling includeThe reasons of spontaneous pain after tooth filling includeAmistakenly judge the condition of pulpBneglect small pulp exposureCirritation of materials to pulpDresidual carious dentineEall of th

34、e above49.49.Which of the following is a contra-indication to endodontic treatmentWhich of the following is a contra-indication to endodontic treatmentADiabetesBPregnancyCHIV-infected patientsDPatient suffering from heart attack within past 6 monthsECancer50.50.Central cusp is most common inCentral

35、cusp is most common inAmaxillary the second premolarsBmaxillary the first premolarsCmandibular the first premolarsDmandibular the second premolarsEmaxillary the second molars51.51.Submerged deciduous teeth occurs most common inSubmerged deciduous teeth occurs most common inAprimary maxillary the sec

36、ond molarsBprimary maxillary the first molarsCprimary central incisorsDprimary mandibular the second molarsEprimary mandibular the first molars52.52.In clinical assessment,which is not correct?In clinical assessment,which is not correct?ASpontaneous discomfort at night provide a clue as the tooth is

37、 inflamedBVitalometer tests are very unreliable6CIf the tooth is excessively mobile,it may have abnormal root resorptionDSwelling or with a fistulous tract is indicative of a necrotic pulpENo pain history affirmed no inflammation53.53.If you mechanically expose the mesiobuccal pulp horn on the prima

38、ry maxillary firstIf you mechanically expose the mesiobuccal pulp horn on the primary maxillary firstmolar.Themolar.The cariouscarious lesionlesion onon thethe mesialmesial andand distaldistal surfacessurfaces is is moderate,themoderate,the treatmenttreatmentnow should benow should beAPulp capping w

39、ith Ca(OH)2;restor with silver amalgamBPulpotomy;restored with a stainless steel crownCPulpectomy;restored with a stainless steel crownDPulp capping with Ca(OH)2;restored with a stainless steel crownEExtraction and a space maintainer54.54.The tooth of root fracture should be treated with splint forT

40、he tooth of root fracture should be treated with splint forA2-3 weeksB1-2weeksC3-8 weeksD2-3 monthsE1-2 months55.55.In which situation below the pulp would be exposed?In which situation below the pulp would be exposed?AEnamel infractionBEnamel fraciureCEnamel-dentin fractureDComplicated crown fractu

41、reEUncomplicated crown-root fracture56.56.We should advocate a routine dental appointment on or beforeWe should advocate a routine dental appointment on or beforeAthe ZERO birthdayBthe first birthdayCthe second birthdayDthe third birthdayEthe six birthday57.57.The order of susceptibility of the prim

42、ary teeth to carious attack is as followsThe order of susceptibility of the primary teeth to carious attack is as followsA AMandibular primary molarMaxillary primary incisorMaxillary primary molarmandibularprimary anterior teethB BMaxillary primary incisorMaxillary primary molarmandibular primary mo

43、larmandibularprimary anterior teethC CMaxillaryprimaryincisormandibularprimarymolarmandibularprimaryanteriorteethMaxillary primary molarD DMaxillary primary incisormandibular primary molarMaxillary primary molarmandibularprimary anterior teethE EMaxillaryprimaryincisormandibularprimaryanteriorteethm

44、andibularprimarymolarMaxillary primary molar58.58.A A 7 7 yearsyears oldold boyboy withwith bilateralbilateral lossloss ofof thethe mandibularmandibular primaryprimary firstfirst andand secondsecondmolars,which of the following may be bestmolars,which of the following may be bestABand and loop respe

45、ctivelyBLingual archCRemovable appliancesDDistal shoeENone of them59.59.Clinical features of dental fluorosis do not includeClinical features of dental fluorosis do not includeA AThe lesion symmetrically distributed in the mouth,but not all teeth are equally affectedB BThe least affected teeth are t

46、he incisors and first permanent molarsC CChanges from fine white opaque lines running across the tooth on all parts of the enamel tofeatures where parts of the chalky white and porous outer enamel become detached and discolored7D DThe loss of surface enamel in the severest cases results in a loss of

47、 anatomical form of theteethE EWell-demarcated borders lesion along incremental line60.60.For intrusive luxation of teeth,the most common complication isFor intrusive luxation of teeth,the most common complication isAPulp necrosisBOsteitisCRoot resorptionDAlveolar process resorptionEAll of above二、名词

48、解释二、名词解释1、acquired pellicle3、indirect pulp capping5、自发痛和激发痛7、Smear layer9、Initial apical file2、resistance form4、retrograde pilpitis6、Dentine hypersensitivity8、Pulpotomy10、Dental plaque三、简答题三、简答题1.简述影响根管冲洗效果的因素2.简述深龋的治疗特点3.简述深龋的治疗特点4.简述窝洞的基本固位形5.简述牙隐裂的病因6.What is the sequelae of root fractures?7.Plea

49、se briefly describe the benefits of root canal irrigation.8.What is the goals of pulp therapy in children?9.What are the properties of the Cariogenic Bacteria?四、问答题四、问答题1、详述窝洞的结构及窝洞预备的基本原则结构2、引起牙髓活力测定误诊的原因是什么？3、根尖周脓肿与急性牙周脓肿的鉴别要点4、Please discuss the purpose of root canal preparation and the procedure

50、s of Step-down technique.5、Explain the indications and types of pulp treatment for primary and young permanent teeth.6、State The Principles Of Cavity Preparation on Amalgam Restoration.8答案答案一、选择：一、选择：1CCBBD6 ECEBC31BCDEB36CCCAD11DADAE16CCCAA21BBAAD26BABBE41DCEAB46EDEDA51DEBDD56BDCEA二、名词解释二、名词解释1 1、a