1. The glenoid fossa is a portion of which bone?ZygomaticTemporalMaxillaMandible 2. Which of these is not a type of occlusal morphology of mandibular 2nd premolarYUVH 3. The crown of a mandibular lateral incisor compared to the crown of a mandibular central incisor in the same mouth is best described aswider mesiodistallynarrower mesiodistallymore symmetricalhaving a smoother lingual surface 4. In teeth embrassures areWider lingually than faciallyWider facialy than linguallySame facially and linguallynone of the above 5. Argentophilic fibres seen in developing toothVon korff fibresFibroblastCollagenReticular fibres 6. In a dried skull holes on the lingual aspects of the deciduous teeth are calledVolkmann canalsCanals of hirshfield and zuckerlandHaversian canalsGubernacular canals 7. Which of the following intrinsic muscle fibers flattens and broadens the tongueVerticalHorizontalLongitudinalTransverse 8. Histopathological staining of melanocytes is done withTyrosine-DOPA methodOil redSudan BPAS 9. Type of collagen found in principal fibers istype IType IIType IVType III 10. Which type of collagen fibers demonstrates "chicken wire" configurationType IVType IType IIType III 11. Collagen found in pulpType 1 and 3Type 1 and 2Type 1 and 4Type 1 only 12. predominant type of collagen in cementum istype 1type 2type 3type 4 13. When viewed from a buccal or lingual aspect, the crowns of all mandibular and maxillary incisors appear to have a:Triangular outlineTrapezoidal outlineRhomboidal outlineRectangular outline 14. In cross sections of human enamel many rods resembleTriangleFish scalesSkin scalesCow horn 15. The mesial and distal aspect (or surfaces) of all anterior teeth have a:Trapezoidal outlineTriangular outlineRhomboidal outlineSquare outline 16. Which of the following groups of fibers are not attached to alveolar boneTransseptalHorizontalObliqueApical 17. What condylar movement is performed as the mandible moves from a pure protrusive movement from intercuspal position to a maximum protruded positionTranslationRotationHingeMedial and forward 18. The type of fibrous element in enamel isTono filamentKeratin like fibreCollagen fiberVimentin filament 19. during tooth formation,enamel formation first occurs attip of cuspsat CEJmidpoint between DEJ and outer enamel epitheliumat Hertwigs root sheath 20. All of the following muscles are infrahyoid muscles, except the:Thyrohyoid muscleSternohyoid muscleOmohyoid muscleMylohyoid muscle 21. In non functioning teeth there isThickening of cementumThinning of cementumNo change in cementumNone of the above 22. Which of the following is not TRUE of primary teeth compared to permanent teeth?They are generally whiter.Their crowns are more bulbous.Their CEJs are more constricted.Their root trunks are longer. 23. A maxillary right canine may be distinguished from a maxillary left canine because:The root always curves to the distal in the apical one-third.The distal half of the canine shows more convexity than the mesial half.Labially, the cusp tip is placed distal to a line which bisects the crown and root.Lingually, the cervical line slopes mesially. 24. The prime mover in effecting a left working-side movement is:The right medial pterygoid muscleThe left medial pterygoid muscleThe right lateral pterygoid muscleThe left lateral pterygoid muscle 25. Which of the following occurs in a right lateral movementthe right condyle primarily rotatesthe right condyle moves down the eminentiathe facial cusps of the mandibular left side pass under the maxillary left facial cuspsthe facial cusps of the mandibular right side pass under the maxillary right lingual cusps 26. All of the following teeth are nonsuccedaneous, except:The permanent maxillary and mandibular premolarsThe permanent maxillary and mandibular first molarsThe permanent maxillary and mandibular second molarsThe permanent maxillary and mandibular third molars 27. In an ideal intercuspal position, the mesiolingual cusps of permanent mandibular molars oppose what?The opposing central fossaeThe lingual embrasure between their class counterpart and the tooth distal to itThe opposing distal marginal ridgeThe lingual embrasure between their class counterpart and the tooth mesial to it 28. Occlusocervically, the height of the distal marginal ridge of a permanent maxillary first molar is the same height as:The mesial marginal ridge of a permanent maxillary second premolarThe mesial marginal ridge of a permanent mandibular first molarThe mesial marginal ridge of a permanent maxillary second molarThe distal marginal ridge of a permanent maxillary second premolar 29. In right lateral excursion, which of the following is correct?The mandibular teeth move to the right.The mandibular teeth move to the left.The left mandibular teeth are on the working side.Both A and C. 30. Development of accessory root canal is due toThe broken continuity of hertwigs root sheathThe tongue like extension of the horizontal diaphragm developmentThe apposition of dentine and cementum to the apex of the rootNone of the above 31. Which antibiotic has the ability to concentrate in gingival fluidTetracyclineMetronidazolePenicillinAmoxycillin 32. The term "homodont" means what?Teeth are continually being replacedTeeth differ from one anotherTeeth are all alikeLong teeth 33. Tuft cells function as receptor cell inSynovial membrane of TMJExcretory ducts of salivary glandsMaxillary sinus liningCell rich zone 34. Nerve fibers in dental pulp areSympathetic and afferent post ganglionicParasympathetic postganglionicMotor fibersBoth autonomic parasympathetic and motor fibers 35. Supporting cells of taste buds are called asSustenticular cellsTaste cellsAciniVon ebner cells 36. enamel spindle issurface projection of Striae of RetziusOdontoblastic processes that cross the DEJ into the enamelhypomineralised structures of enamel rods projecting between adjacent groups of enamel rods from DEJthin leaf like faults between enamel rods extending from enamel surface to DEJ 37. Ameloblast are derived fromSurface ectodermMesodermEndodermNeural crest cells 38. Before eruption the position of permanent mandibular incisor buds relative to primary incisors issuperior and facialsuperior and lingualinferior and facialinferior and lingual 39. Which of the following are the principal muscle fibres that retrude the mandiblesuperfacial massaterposterior belly of digastricposterior fibres of the temporalposterior fibers of the internal pterygoid 40. The ligament attached to lingula isStylomandibularSphenomandibularTemporomandibularNone of the above 41. neonatal line is an accentuation ofstriae of RetziusHunter schreger bandsPerikymataprominent DE junnction 42. High level of amino peptidase is seen inStratum intermediumStellate reticulumAmeloblastsDental lamina 43. Odland bodies are seen inStratum granulosumStratum spinosumStratum corneumBoth A and B 44. keratohyaline granules are present inStratum granulosumStratum spinosumPrickle cell layerStratum basale 45. Of the four layers the cells most active in protein synthesis are ofStratum corneumStratum granulosumStratum spinosumStatum basale 46. true regarding epithelial lining of tongue isstratified squamous non keratinised epitheliumnon stratified non keratinised squamous epitheliumstratified squamous keratinised, specializedstratified squamous,non keratinised, specialised 47. The occlusal surface of the primary maxillary 1st molar issquare.rectangular.trapezoidal.rhomboidal. 48. Which ligament helps retain the condyle within the glenoid fossa?Sphenomandibular ligamentTemporomandibular ligamentStylomandibular ligamentPterygomandibular ligament 49. Antrum of highmore' is nother name ofSphenoid sinusFrontal sinusMaxillary sinusEthmoidal sinus 50. Leeway space is due tospace differential between deciduous canine and molar and their succadaneous permanent teethspace differential between deciduous incisors and their succedaneous permanent teethdifference between deciduous and permanent maxillary caninesnone 51. Diagnodent is based on theSound waveLaserVisible lightNano technology 52. In which part of oral cavity mucous menbrane is the thinnestSoft palateLabial mucosaFloor of mouthBuccal mucosa 53. With incresed age and irritation which form of dentin is laid downSecondary dentinRepairative dentinSclerotic dentinEburnated dentin 54. At what age the calcification of deciduous teeth startsSecond month of fetal lifeFourth month of fetal lifeSixth month of fetal lifeSeventh month of fetal life 55. Direction of the enamel rods in the deciduous and permanent teeth isSame throughoutDifferent at cervical thirdDifferent at occlusal and ncisal thirdNone of the above 56. A divided pulp canal is most likely to occur in theroot of a maxillary canineroot of a mandibular canineroot of a maxillary central incisorlingual root of a maxillary 1st molar 57. All of the following muscles are involved in right lateral excursive movement EXCEPTright masseter.right temporalis.right medial pterygoid.left medial pterygoid. 58. As the osteoclasts move through bone, the leading edge of resorption is known asReversal lineCement lineCutting coneFilling cone 59. Bilateral contraction of the posterior fibers of the temporalis muscles results in which mandibular movement listed below?RetrusionProtrusionOpeningClosing 60. Epithelial pearls areRemnants of dental laminaRemnants of hertwigs epithelal root sheathRemnants of enamelRemnants of diaphragm 61. The bennett movement isProtrusive movementRetrusive movementMedial movementLateral movement 62. Major buffer system of salivaProtein bufferCarbonic acid and BicarbonatePhosphate bufferAlbumin buffer 63. The mesial proximal contact is more cervical than the distal in which of the following?Primary maxillary caninePrimary mandibular caninePermanent maxillary 1st premolarPermanent mandibular 2nd premolar 64. Korff's fibers are found inPrimary dentinSecondary dentinSclerotic dentinTransparent dentin 65. Which teeth listed below should ideally provide the predominant guidance through the full range of movement in lateral mandibular excursions?PremolarsFirst molarsIncisorsCanines 66. Transfer of metabolities in pulp is due toPrecapillariesSinusoidal capillariesFenestrated capillariesContinuous capillaries 67. Which of the following jaw position is determined almost exclusively by the behavior of the musculaturePosturalIntercuspalRetruded contactProtruded contact 68. The character of occlusal contacts in the unworn dental arch are all of the following, except:Point-to-pointPoint-to-areaEdge-to-edgeArea-to-area 69. The first formed dentin which is not mineralised isPeritubularIntertubularPredentinOdontoblastic process 70. After the tooth emerges to the occlusal plane the clinical crown height increases bypassive eruptionactive eruptionpost emergence growth spurtjuvenile occlusal equilibrium 71. Bartholin's duct is the name ofParotid glandSubmandibular glandSublingual ductLacrimal duct 72. Sex determination is possible with which of the following proteinosteopontinTuftelinDentin sialoproteinAmelogenin 73. Formation of repairative dentin with inclusion of odontoblastsOsteodentinPredentinSclerotic dentinRegular dentin 74. How many planes of movement can the mandible move in?OneTwoThreeFour 75. When distinguishing a mandibular canine from a maxillary canine, all of the following are true, except:On a mandibular canine, the mesial border is much straighter (viewed facially)The cusp tip is displaced lingually on the mandibular canine, whereas on the maxillary canine the cusp is on or labial to the root axis line (viewed proximally and incisally)The mandibular canine has a comparatively wider mesiodistal dimension (viewed facially)The mandibular canine has a cingulum that is less pronounced and often slightly to the distal, whereas the maxillary canine has a cingulum that is more pronounced and centered mesiodistally (viewed lingually) 76. Tomes process is a derivative ofOdontoblastAmeloblastMesenchymal cellAmelocyte 77. Merkel cells help inNutritive functionSensory functionNeurosensory activitiesOlfactory function 78. In a patient with acute pulpitis it is difficult for the patient to locate the pain.this is becauseNo nociceptors are present in the pulpLess proprioceptors are present in the pulpPatient cannot speakPatient is not cooperative 79. Histologically the dental pulp most closely resembles what type of tissueNerve tissueVascular tissueGranulation tissueloose connective tissue 80. The remnant of the primary enamel cuticle after eruption is referred to asNasmyth's membranePelliclePrimary attachment epitheliumAll of the above 81. The center of the sphere in the curve of Monson lies atNasionBregmaGlabellaLambda 82. The physiological rest position of the mandible is established when themuscles of mastication are in tonic equilibriummaxillary and mandibular teeth make the greatest occlusal contactcondyles are in most protruded positioncondyles are in their most retruded position 83. Which structure listed below is the inner layer of cells of the junctional epithelium and attaches the gingiva to the tooth?Mucogingival junctionFree gingival grooveEpithelial attachmentGingival pocket 84. Peg lateral is associated withMorphodifferentiationHistodifferentiationAppositionInitiation 85. Congenital absence of tooth is due to aberration inMorphodifferentiationHistodifferentiationAppositionInitiation 86. which of the following is an example of a centric holding cuspmesiopalatal cusp of maxillary first molarmesiobuccal cusp of mandibular first molarpalatal cusp of maxillary first molardistolingual cusp of maillary first molar 87. If a maxillary 1st molar has a fourth canal it is located in which of the following rootsmesiofacialdistofacialpalatal4th 88. Which of the following cusps on a mandibular 1st molar has the largest pulp horn?MesiobuccalDistobuccalMesiolingualDistolingual 89. Which cusp on permanent molars generally is the one that gets progressively smaller as you go posterior in the arch?MesiobuccalDistobuccalMesiolingualDistolingual 90. The highest and sharpest cusp on a mandibular primary 1st molar ismesiobuccaldistobuccalmesiolingualdistolingual 91. The lingual extension of dental lamina is known asMental laminaMandibular laminaSuccessional laminaMaxillary lamina 92. The oblique ridge on a maxillary molar extends between what two cuspsMB and DBMB and MLMB and DLDB and ML 93. Dental islands are frequently found in the root canals of which of the following permanent teethmaxillary lateral incisor and mandibular 2nd premolarmaxillary 2nd premolar and maxillary 1st molarmaxillary 2nd premolar and mandibular caninemaxillary 1st molar and mandibular 2nd premolar 94. All of the following anterior teeth have a cingulum which is located in the center of the lingual surface, except:Maxillary lateral incisorMandibular canineMaxillary canineMandibular central incisor 95. According to Brealey and Mckibbon(1973)commonly ankylosed teeth in deciduous dentition aremaxillary incisormaxillary caninemandibular caninemandibular molar 96. Which tooth below may show three types of occ/usal surfaces?Maxillary first premolarMandibular second premolarMandibular first premolarMaxillary second premolar 97. The parotid duct opens on the oral surface of the cheek through a small opening opposite which tooth listed below?Maxillary first premolarMaxillary second molarMandibular first molarMandibular second molar 98. When the posterior teeth are in crossbite relationship Which of the following cusps are considered supporting cuspsmaxillary facial and mandibular facialmaxillary facial and mandibular lingualmaxillary lingual and mandibular facialmaxillary lingual and mandibular lingua 99. The commonest teeth involved in transposition areMaxillary CI and LIMaxillary canine and 1st PMMaxillary 1st PM and 2nd PMMaxillary canine and LI 100. The 1st permamnent tooth to erupt ismaxillary CImandibular CImandibular 1st molarmaxillary 1st molar Loading...