Free Oral Anatomy MCQs Mock Test Online with Answers

Q1 : Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in______________?

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

Q2 : 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

Q3 : IN occlusion, the teeth have______________?

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

Q4 : Which of the following movement (s) is / are involved in the opening of the mouth?

A: Only translation B: Only hinge ( rotation ) C: Hinge followed by translation D: Translation followed by hinge

Q5 : Mesial slope of buccal cusp is longer than distal slope in_________________?

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

Q6 : 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

Q7 : How many cusps does the crown of the maxillary first primary molar have ?

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

Q8 : Which of the following moment are performed by a non- working condyle ?

A: Straightward B: Down wards forwards and lateral C: Down wards forwards and medial D: Down wards Back wards and medial

Q9 : Root completion of the mandibular first molar takes place by the age_______________?

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

Q10 : 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

Q11 : Ratio of mesiodistal width to height of crown of maxillary canine is______________?

A: 6:10 B: 8:10 C: 6:8 D: 7:10

Q12 : The premolar alveoli are what shape in cross section_____________?

A: Rectangular B: Triangular C: Kidney shaped D: Oval

Q13 : Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?

A: Premolars B: 1st and 2ndmolar C: 1st premolar and cane D: First molar and 2nd premolar

Q14 : Which of the following decidous molars bears the greatest resemblance to a premolar _____________?

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

Q15 : 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

Q16 : Largest cusp in permanent mandibular first molar is__________________?

A: Mesiobuccal B: Distobuccal C: Mesio lingual D: Distal

Q17 : Calcification of all teeth except last molars are completed by____________?

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

Q18 : 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

Q19 : Difference between primary and permanent enamel is_______________?

A: In prism arrangement B: in mineral content C: No difference in enamel, difference in dentin D: None of the above

Q20 : The primary centre of formation of each lobe is present in_____________?

A: Apex of the root B: Tip of the cusp C: Centre of the crown D: Centre of the tooth

Q21 : 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

Q22 : In primates; a tooth with single conical cusp and single root is seen in________________?

A: Haplodont B: Heterodont C: Acrodont D: Thecodont

Q23 : Mesial contact area of the permanent canine is at the______________?

A: Middle third B: Junction of the incisal and middle thirds C: Junction of the middle and cedrvical thirds D: None of the above

Q24 : 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

Q25 : According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?

A: 1½ 2 years B: 2½ – 3 years C: 3-4 years D: 3-5 years

Q26 : Which of the following has a nonfunctional cusp ?

A: Mandibular canine B: Maxillary second premolar C: Mandibular first premolar D: None of the above

Q27 : Which of the following tooth shows largest Mesio- buccal ridge _____________?

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

Q28 : Which of the following are the unctions of contact areas______________?

A: Distribution of occlusal stresses B: Protection of periodontium C: Stabilization of dental arches D: All of the above

Q29 : The premolar with the occlusal groove pattern that may simulate the letter “Y” is________________?

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

Q30 : Permanent mandibular first molar is developed from ______ lobes?

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

Q31 : The total number of cingula in each dentition is_______________?

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

Q32 : The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?

A: Cusps B: Roots C: Lingual grooves D: Marginal ridges

Q33 : 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

Q34 : 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

Q35 : 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

Q36 : The shortest root on a maxillary first molar is_____________?

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

Q37 : 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

Q38 : The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?

A: Central incisors B: Central and lateral incisors C: Lateral incisor and canine D: First and 2nd premolar

Q39 : Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is______________?

A: Wilson curve B: Mansoon curve C: Curve of spee D: Caternary curve

Q40 : All embrasure spaces are reflection of the______________?

A: Form of the teeth involved B: Size of the teeth involved C: Eruption sequence involved D: None of the above

Q41 : The interdental papilla is located in the______________?

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

Q42 : Normal dentition in centric occlusion, opposing contact may be expected at_____________?

A: Buccals slopes of buccal cusps of maxillary posterior teeth B: Buccal slopes of lingual cusps of maxillary posterior teeth C: Lingual slopes of lingual cusps of mandibular posterior teeth D: All slopes of lingual cusps of mandibular posterior teeth

Q43 : In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?

A: Line connecting mesial with distal is longest B: Line connecting mesial with lingual is longest C: Line connecting distal with lingual is longest D: Angle at the mesio facial canal is obtuse

Q44 : 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

Q45 : Primary canine erupts______________?

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

Q46 : Generally , contact areas between posterior teeth are located in which directions from the centr of the proximal surface ____________?

A: Facially and occlusally B: Facially and gingivally C: Lingually and gingivally D: Lingually and occlusally

Q47 : All of the following muscles are elevators of the mandible except______________?

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

Q48 : 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

Q49 : 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

Q50 : 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

Q51 : Protective crests of contour on buccal and lingual surfaces are found______________?

A: In the middle third of the lingual B: Nearest the occlusal third of the lingual C: In the cervical third of the buccal D: Both A and C

Q52 : Over jet is defined as______________?

A: Horizontal overlap B: Vertical overlap C: Transverse plane discrepancy D: All the above

Q53 : Corner stones of dental arches are:

A: Canines B: First premolars C: First molars D: Second molars

Q54 : The sharpest cusp of primary first molar tooth is____________?

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

Q55 : 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

Q56 : Tooth with smallest root is_______________?

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

Q57 : 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

Q58 : 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

Q59 : In which of the following areas is the alveolar process the thinnest_____________?

A: Lingual to the maxillary central incisors B: Lingual to the maxillary canines C: Buccal to the mandibular central incisors D: Lingual to the mandibular first molar

Q60 : 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

Q61 : When a molar has no opposing tooth, it can become_______________?

A: Extruded B: Intruded C: Protruded D: Retruded

Q62 : Which of the following is the largest root_____________?

A: The lingual root of a maxillary first molar B: The lingual root of a maxillary second molar C: The root of a mandibular canine D: The root of a maxillary canine

Q63 : Following eruption , the root of the maxillary central incisor completes development at what approximate age ?

A: 7 years B: 8 years C: 9 years D: 10 years

Q64 : The direction of enamel rods in decidous teeth is_____________?

A: Same as permanent teeth B: Inclined in an apical direction in the cervical third of crown C: Inclined in an occlusal direction in the cervical third of crown D: None of the above

Q65 : Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?

A: Maxillary permanent first molar B: Mandibular permanent first molar C: Mandibular permanent second molar D: Mandibular decidous second molar

Q66 : The number of point angles in a permanent mandibular first molar is_____________?

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

Q67 : Longest tooth of the maxillary arch is_____________?

A: Permanent incisor B: First premolar C: Permanent canine D: Decidous incisor

Q68 : All are true about calciotraumatic line, except______________?

A: Due to caries B: Due to death of odontoblastic layer C: It remains after caries is removed D: Because of odontoblastic migration from cell rich zone

Q69 : 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

Q70 : Number of teeth seen on X- ray at birth_______________?

A: 20 B: 22 C: 24 D: 30

Q71 : Thinnest labial plate is found in the region of____________?

A: Upper central incisors B: Lower central incisors C: Upper canines D: Lower canines

Q72 : Which of the following is true about calcification of teeth ?

A: Calcification of primary teeth is almost complete at time of birth B: Calcification of all primary teeth and few permanent teeth complete at birth C: Calcification of all permanent teeth complete at birth D: Calcification of primary teeth starts around birth

Q73 : Growth of all permanent teeth except last molars is completed by___________?

A: 6 years B: 8 years C: 12 years D: 17 years

Q74 : Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?

A: Buccal B: Mesial C: Distal D: None of the above

Q75 : Calcification of third molar begins at__________________?

A: 8 months B: 18 months C: 8 years D: 16 years

Q76 : Transverse ridge is prominent on occlusal surface of which of the following decidous teeth ?

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

Q77 : Which of the following muscle helps in depressing the mandible ___________?

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

Q78 : The number of line angles a permanent maxillary central incisor is_____________?

A: Two B: Four C: six D: Eight

Q79 : 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

Q80 : Primary teeth differ from permanent teeth in following aspects ?

A: Thickness of enamel and dentin B: Pulp chambers are longer C: Roots are flaring D: All of the above

Q81 : Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?

A: Mandibular centrals B: Mandibular laterals C: Both A and B D: None of the above

Q82 : During the development of a tooth, sound coalescence of the lobes results in_____________?

A: Slender mesiodistally B: Slender anteroposteriorly C: Bulkier mesiodistally D: Buliker anteroposteriorly

Q83 : Calcification of all teeth except last molars are completed by____________?

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

Q84 : Tooth with most variable occlusal anatomy________________?

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

Q85 : The largest embrasure in posterior teeth is the__________?

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

Q86 : The last primary tooth to be replaced by a permanent tooth is usually the_____________?

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

Q87 : Average of length of maxillary cuspid is______________?

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

Q88 : Resorption of root of primary incisors starts at_____________?

A: 4 yrs B: 6 yrs C: 8 yrs D: 10 yrs

Q89 : 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

Q90 : The teeth that are retained for the longest period of time are__________________?

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

Q91 : In an ideal occlustion buccal cusps of maxillary teeth, occlude with______________?

A: Fossa and rdges B: Grooves and embrasures C: Lingual cusps of mandibular teeth D: Occlusal pits and fissures of mandibular teeth

Q92 : 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

Q93 : 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

Q94 : The largest permanent tooth in the mouth usually is_____________?

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

Q95 : 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

Q96 : 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

Q97 : On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?

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

Q98 : Which of the following do not contribute to arch stability ?

A: Cusps B: Root forms C: Embrasures D: Periodontal fibers

Q99 : 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

Q100 : 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

Free Oral Anatomy MCQs Mock Test Online with Answers

Time to prove what you know!

LAT Test

GAT Test

Contact Info

Free Oral Anatomy MCQs Mock Test Online with Answers

Subscribe our Newsletter

LAT Test

GAT Test

Contact Info