Free Oral Anatomy MCQs Mock Test Online with Answers

Q1 : Which of the portions of the intra articular disc is the thinnest ?

A: Anterior B: Intermediate C: Posterior D: retrodiscal

Q2 : Permanent mandibular first molar is developed from ______ lobes?

A: 3 B: 4 C: 5 D: 6

Q3 : The usual order of appearance of the primary teeth in the mouth is____________?

A: Central incisors, first molars, lateral incisors, second molars, canines B: Central incisors, lateral incisors, canines, second molars, first molars C: Central incisors, lateral incisors, first molars canines, second molars D: Central incisors, lateral incisors, first molars second molars, canines

Q4 : The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

A: Central incisors B: Mandibular first molar C: Mandibular second molar D: Canines

Q5 : Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?

A: Centric occlusion B: Rest position C: Protrusive contacts D: Laterotrusive contacts

Q6 : The geometric outline of the buccal surface of posterior teeth are_______________?

A: Trapezoidal B: Rhomboidal C: Quadrilateral D: Square

Q7 : Which is the predominant factor in the formation of the alveolar process_____________?

A: Eruption of teeth B: Normal process of growth C: Lengthening of the condyle D: Overall growth of the bodies of the maxilla and the mandible

Q8 : How many pulpal horns are there in the mandibular second primary molar ?

A: 6 B: 4 C: 5 D: 3

Q9 : The correct dentition in a 9- years old child is_____________?

A: 12 CDE6 B: 12C456 C: 123DE6 D: 123456

Q10 : In maxillary 1st permanent molar, the 2 obtuse angles are________________?

A: Mesiolingual and mesiofacial B: Mesiofacial and distolingual C: Distofacial and mesiolingual D: Distofacial and mesiofacial

Q11 : In how many years, the central incisors erupt as permanent teeth ______________?

A: 8-9 years B: 10-12 years C: 6-7 years D: 17-25 years

Q12 : The number of point angles in a permanent mandibular first molar is_____________?

A: 6 B: 3 C: 4 D: 10

Q13 : The mesial surface of the crown is almost parallel to long axis and the root of a______________?

A: Maxillary 1st premolar B: Mandibular 2nd premolar C: Maxillary canine D: Mandibular canine

Q14 : The eruption are of maxillary permanent lateral incisor is_____________?

A: 8-9 years B: 6-7 years C: 10-11 years D: 8-9 months

Q15 : The shortest root on a maxillary first molar is_____________?

A: Mesio- buccal B: Disto – buccal C: Lingual D: All are of equal length

Q16 : Retrusion of mandible is achieved by _______________?

A: Lateral pterygoid B: Temporalis C: Masseter D: None of the above

Q17 : The largest permanent tooth in the mouth usually is_____________?

A: Maxillary canine B: Mandibular canine C: Mandibular first molar D: Maxillary first molar

Q18 : Which of the following is dental formula of a 9 years old child_____________?

A: 6 EDC21/ 6EDC21 B: 6EDCBA/ 6EDC21 C: EDC21/EDC21 D: 76EDC21/ 7EDC21

Q19 : In comparison to maxillary central incisor , Maxillary canine has a height of contour that is______________?

A: More B: Less C: Same D: Different on different teeth

Q20 : The decidous canine emerges______________?

A: Before lateral incisor B: Before first molar C: After first molar D: After second molar

Q21 : How many cusps does the crown of the maxillary first primary molar have ?

A: 2 B: 3 C: 4 D: 5

Q22 : Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?

A: Flattened root B: More pronounced lingual fossa C: Thinner incisal ridge D: Sharper proximal incisal angles

Q23 : Which of the following muscle helps in depressing the mandible ___________?

A: Temporalis B: Massetor C: Lateral pterygoid D: Medial pterygoid

Q24 : Calcification of all teeth except last molars are completed by____________?

A: 2 years B: 4 years C: 6 years D: 8 years

Q25 : What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite – wing radigraph ?

A: 3-4 months B: 4-5 months C: 5-6 months D: 6-7 months

Q26 : Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa______________?

A: Lateral pterygoid B: Medial pterygoid C: Temporalies- anterior fibers D: Temporalis – posterior fibers

Q27 : A six- year molar begins to calcify at______________?

A: Six months IU B: At birth C: 1 years after birth D: 3 years age

Q28 : The teeth that are retained for the longest period of time are__________________?

A: Maxillary incisors B: Maxillary canines C: Mandibular incisors D: B & D

Q29 : Primary canine erupts______________?

A: After D B: Before B C: After B D: After E

Q30 : The total number of cingula in each dentition is_______________?

A: 6 B: 12 C: 24 D: 32

Q31 : At birth the following teeth are calcifying____________?

A: Primary incisors & first molar B: Primary canines & second molars C: Permanent canines D: Permanent 3rd molar

Q32 : If a mandibular canine has bifurcated roots, they are most commonly placed_______________?

A: Mesial and distal B: Facial and lingual C: Mesiobuccal and distobuccal D: Mesiolingual and distolingual

Q33 : The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?

A: Depth of central fossae B: Number of roots C: Comparative size of the cusp of carabelli D: Relative position of the distolingual grooves

Q34 : The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?

A: Distrobuccal, distolingual and Mesiolingual B: Distolingual, Mesiobuccal, and Linguo buccal C: Mesiobuccal, Distobuccal and Mesiolingual D: Mesiolingual, Mesiobuccal and distolingual

Q35 : Generally in majority of children, the sequence of eruption of permanent teeth in mandible is____________?

A: 1-6-2-3-5-4-7-8 B: 6-1-2-4-5-3-7-8 C: 6-1-2-3-4-5-7-8 D: 6-1-2-4-3-5-7-8

Q36 : Group function occlusion is common in_____________?

A: 10 – 14 years B: 15 -25 years C: Above 30 years D: Edentulous patients

Q37 : A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?

A: Maxillary central incisor B: Maxillary canine C: Mandibular lateral incisor D: Maxillary lateral incisor

Q38 : The shape of the occlusal surface of the permanent maxillary first molar is___________?

A: Oval B: Trapezoidal C: Triangular D: Rhomboidal

Q39 : The lingual cusp of lower first premolar is compared to the development of____________?

A: Cusp of carabelli B: Distolingual cusp of molars C: Lingual cusp of second premolar D: Cingulam of canine

Q40 : Cusp of carbaelli can be considered a normal finding on____________?

A: Decidous mandibular 1st molar B: Decidous maxillary 1st molar C: Decidous maxillary 2nd molar D: Decidous mandibular 2nd molar

Q41 : Which of the following is not a structural element of the temporomandibular joint ?

A: Sigmoid notch B: Articular disc C: Capsular ligament D: Joint cavities

Q42 : First permanent molars begin to calcify at ______________?

A: 6 months of intra utrerine life B: At birth C: Before decidous incisors D: About 1 year after birth

Q43 : The root of maxillary lateral incisors if curved is usually in which direction ?

A: Distal B: Mesial C: Facial D: Palatal

Q44 : In which of the tooth is the mesiodistal measurements is greater lingually than facially________________?

A: Maxillary 1stpremolar B: Mandibular 2ndpremolar C: Mandibular 1st premolar D: Maxillary 1st molar

Q45 : Maxillary facial and mandibular lingual cusps require sufficient occclusal length and horizontal overlap for_____________?

A: Esthetics B: Centric stability C: Chewing efficiency D: Soft tissue protection

Q46 : In which of the tooth is the mesiodistal measurements is greater lingually than facially_____________?

A: Maxillary 1stpremolar B: Mandibular 2ndpremolar C: Mandibular 1st premolar D: Maxillary 1st molar

Q47 : Calcification of roots of decidous teeth is completed by_____________?

A: 4 years B: 2 years C: 6 years D: 8 years

Q48 : The maxillary tooth exhibiting the greatest variation in root alignment is______________?

A: Central incisor B: First premolar C: Third molar D: Second molar

Q49 : Maxillary primary cuspid enamel completion takes place at______________?

A: 6 months in utero B: 6 months after birth C: 9 months in utero D: 9 months after birth

Q50 : Which of the following is true of permanent first molar’s occlusal surface_____________?

A: Maxillary molar has 2 major fossa, 2 minor fossa, 4 triangular ridges,1 oblique ridge and 5 grooves B: Mandibular molar has 1 major fossa, 2 minor fossa, 5 triangular ridges and 4 grooves C: Rhomboidal shape in maxillary molars and hexagonal shape in Mandibular molars D: All of the above

Q51 : Steepest cusp is seen in_______________?

A: Maxillary 1st premolar B: Maxillary 1st molar C: Mandibular 2nd molar D: Mandibular 1st molar

Q52 : Acute angled cusps in permanent maxillary first molar are_____________?

A: DB and ML B: MB and DL C: MB and DB D: ML and DL

Q53 : Dentin islands are frequently found in the root canals of which of the following permanent teeth ?

A: Maxillary lateral incisor & mandibular canine B: Maxillary 2nd premolar & maxillary 1st molar C: Maxillary 2nd premolar & mandibular canine D: Maxillary 1st molar & mandibular 2nd premolar

Q54 : Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?

A: Mesial surface B: Palatal surface C: Buccal surface D: Mesial half of the palatal surface

Q55 : The first macroscopic indication of morphologic development of primary incisors approximately at____________?

A: 11 weeks in utero B: 14 weeks in utero C: 16 weeks in utero D: 6 weeks in utero

Q56 : The term diphydont means____________?

A: Second dentition B: Two same sets of dentition C: Two separate sets of dentition D: More than two sets of dentition

Q57 : Palatogingival groove is found in______________?

A: Maxillary lateral incisor B: Maxillary first premolar C: Maxillary first molar D: All of the above

Q58 : Five cusps are present in___________________?

A: Maxillary first molar only B: Mandibular first molar only C: Maxillary and mandibular first molar D: Maxillary and Mandibular second molar

Q59 : Crown formation of all permanent teeth except third molars is completed between_____________?

A: Birth to 8 years B: Birth to 12 years C: Birth to 6 years D: 6 years to 12 years

Q60 : Conjoint tendon is formed by _________?

A: External and internal oblique B: External oblique and transversus abdominis C: Internal oblique and transversus abdominis D: Internal oblique

Q61 : The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________?

A: Mandibular first premolar B: Mandibular lateral incisor C: Maxillary central incisor D: Maxillary lateral incisor

Q62 : The tooth bud for the third molar is initiated at about the age of______________?

A: 6th month I.U B: 1st year of life C: 2nd year of life D: 8th year of life

Q63 : The largest embrasure in posterior teeth is the__________?

A: Buccal B: Distal C: Lingual D: Occlusal

Q64 : The biting forces at molar region during mastication is_______________?

A: 20 to 55 pounds B: 30 to 75 pounds C: 50 to 75 pounds D: 90 to 200 pounds

Q65 : The sharpest cusp of primary first molar tooth is____________?

A: Mesiobuccal B: Distobuccal C: Mesiolingual D: Distolingual

Q66 : Mesiodistal width is more than cervico- incisal length of crown in_____________?

A: Permanent central incisors B: Decidous maxillary central incisors C: Permanent maxillary canines D: Permanent mandibular lateral incisors

Q67 : In the majority of situations, the first decidous tooth to erupt is the______________?

A: Mandibular central incisor B: Mandibular first molar C: Maxillary central incisor D: Maxillary second molar

Q68 : In which of the following a nonfunctional cusp is present________________?

A: Maxillary 1st molar B: Maxillary 2ndmolar C: Mandibular 1st molar D: Mandibular 2nd molar

Q69 : First evidence of initiation of primary dentition is usually around_____________?

A: 4 months in utere B: Birth C: 4 months after birth D: One year after birth

Q70 : Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?

A: Mandibular canine B: Maxillary anterior C: Mandibular anteriors D: Maxillary canine

Q71 : The most common sequence of eruption of the permanent maxillary teeth in children is_______________?

A: 1-6-2-3-4-7-5-8 B: 2-3-1-6-7-5-4-8 C: 6-1-2-4-3-5-7-8 D: 6-1-2-3-4-5-7-8

Q72 : Tooth with smallest root is_______________?

A: Maxillary central incisor B: Mandibular lateral incisor C: Maxillary lateral incisor D: Mandibular central incisor

Q73 : The curvature of the cervical line of most teeth will be approximately____________?

A: 2 mm less distally than mesially B: 1 mm less distally than mesially C: 2 mm less lingually than buccally D: 1 mm less lingually than buccally

Q74 : Which of the following teeth have more than one occlusal form____________?

A: Maxillary 1st premolar B: Maxillary 2nd premolar C: Maxillary 1st molar D: Mandibular 1stmolar

Q75 : Divergence from contact area in proximal surfaces causes embrasures____________?

A: Facially B: Lingually C: Cervically D: Facially, lingually , cervically & occlusally

Q76 : Tooth with most variable occlusal anatomy________________?

A: Maxillary third molar B: Mandibular third molar C: Maxillary second premolar D: Mandibular second premolar

Q77 : The shape of the occlusal surface of the permanent maxillary first molar is_______________________?

A: Oval B: Trapezoidal C: Triangular D: Rhomboidal

Q78 : Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?

A: Superior and facial B: Inferior and facial C: Superior and lingual D: Inferior and lingual

Q79 : Largest tooth in the mandibular arch is_________________?

A: Canine B: Decidous first molar C: Permanent first molar D: Third molar

Q80 : Single central pit is formed on occlusal surface of_______________?

A: Mandibular first premolar B: Mandibular second premolar C: Maxillary first premolar D: Maxillary second premolar

Q81 : Average of length of maxillary cuspid is______________?

A: 26 mm B: 33 mm C: 21 mm D: 18 mm

Q82 : The embrasure areas in the following areas are contentious______________?

A: Labial and lingual B: Lingual and Occlusal C: Incisal and Occlusal D: Labial and Occlusal

Q83 : A maxillary right canine may be distinguished from a maxillary left canine because ____________?

A: The root curves to mesial in the apical 1/3rd B: The distal half of canine shows more convexity than the mesical half C: Facially the cusp tip is placed distal to Bisecting line D: Lingually the cervical line slopes mesially

Q84 : Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?

A: Maxillary canine B: Maxillary 1st premolar C: Mandibular 1st premolar D: Maxillary 2nd premolar

Q85 : Which of these teeth are highly sturdy and usually the last ones to be lost ?

A: First molar B: Central incisors C: Canines D: Premolars

Q86 : Which four mandibular teeth are so aligned that when viewed from the occlusal, a straight line may be drawn bisecting the contact areas_____________?

A: 5,6,7,8 B: 4,5,6,7 C: 3,4,5,6 D: 2.3.4.5

Q87 : The eruption age of maxillary permanent lateral incisor is________________?

A: 8-9 years B: 10-11 years C: 7-9 months D: 6-7 years

Q88 : The pulp of first primary molar contains________________?

A: Four pulp horn and three root canal B: Three pulp horn and three root canal C: Two pulp horn and two root canal D: Two pulp horn and three root canal

Q89 : Which of the following has the maximum faciolingual diameter of the crown__________?

A: Decidous maxillary 2nd molar B: Decidous maxillary 1st molar C: Decidous mandibular 2nd molar D: Decidous mandibular 1st molar

Q90 : Facial occlusal line in the maxillary arch is formed by_______________?

A: Stamp cusps B: Centric holding cusps C: Supporting cusps D: Non- supporting cusps

Q91 : The largest mesiodistal diameter in primary dentition is____________?

A: Mandibular 1st molar B: Mandibular2nd molar C: Maxillary 2nd molar D: None of the above

Q92 : As compared to permanent tooth , root formation in primary tooth______________?

A: Take less time B: Take more time C: Same time D: Is complete when tooth erupts in oral cavity

Q93 : Among the difference between teeth in the decidous and the permanent dentition is that_____________?

A: Buccal surfaces of the permanent molars are flatter B: Cervical ridges are more pronounced in permanent molars C: Root trunks of decidous teeth are larger compared with their overall root lengths D: Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths

Q94 : In occlusion the teeth have_______________?

A: Cusp to cusp contact B: Edge to edge contact C: Marginal contact D: Surface to surface contact

Q95 : The distance from the CEJ to the alveolar crest normally is____________?

A: 1 – 1.5 mm B: 2 mm C: 2 – 2.3 mm D: 3 mm

Q96 : Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?

A: Maxillary 1st premolar B: Maxillary 2ndpremolar C: Mandibular 1st premolar D: Mandibular 2nd premolar

Q97 : Fourth canal is present in_____________?

A: Mesiobuccal roots of maxillary first molar B: Distal root of mandibular first molar C: Both of the above D: None of the above

Q98 : In the intercuspal position, the lingual cusp of maxillary 2nd premolar contacts the______________?

A: Mesial fossa of mandibular 1st molar B: Distal marginal ridge of mandibular 2ndmolar C: Distal fossa of mandibular 2ndpremolar D: Distal marginal ridge of mandibular 1st premolar

Q99 : Which among the following is NOT a common finding of the decidous dentition ?

A: Tight contacts, absence of spacing B: Shallow overjet and overbite C: Flush terminal plane D: Ovoid arch form

Q100 : The interdental papilla is located in the______________?

A: Facial embrasure B: Lingual embrasure C: Cervical embrasure D: Occlusal embrasure

Free Oral Anatomy MCQs Mock Test Online with Answers

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