Free Oral Anatomy MCQs Mock Test Online with Answers

Q1 : 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

Q2 : Largest tooth in the mandibular arch is_________________?

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

Q3 : Facial occlusal line in the maxillary arch is formed by_______________?

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

Q4 : Palatogingival groove is found in______________?

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

Q5 : The side towards which mandible moves is called the_____________?

A: Tooth contact side B: Balancing side C: Working side D: Non- working side

Q6 : Permanent mandibular first molar is developed from ______ lobes?

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

Q7 : 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

Q8 : Greater crown bulk distal to the faciolingual bisecting plane of a tooth is most typical of the mandibular_______________?

A: Central incisor B: Lateral incisor C: Canine D: Second premolar (AIPG – 97, Man-95)

Q9 : 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

Q10 : Resorption of root of primary incisors starts at_____________?

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

Q11 : 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

Q12 : 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

Q13 : 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

Q14 : 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

Q15 : Contact areas of anterior teeth which are placed in centre of middle third ____________?

A: Mesial contacts of maxillary lateral and canine B: Distal contacts of maxillary centrals and laterals C: Distal contacts of maxillary laterals and canine D: Mesial contacts of maxillary first and second premolar

Q16 : The most common curvature of the palatal root of maxillary first molar is_____________?

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

Q17 : 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

Q18 : 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

Q19 : 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

Q20 : If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?

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

Q21 : The premolar alveoli are what shape in cross section_____________?

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

Q22 : Upper 4 resembles 5 from which aspect ?

A: Buccally B: Lingually C: Occlusal D: Proximally

Q23 : The contact area on the distal side of a maxillary first premolar is located _____________?

A: Middle of the middle third with buccal embrasure wider than lingual B: Middle of the middle third with lingual embrasure wider than buccal C: Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure D: Cervical third with buccal embrasure wider than lingual embrasure

Q24 : 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

Q25 : 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

Q26 : Basically TMJ is a_____________?

A: Ball and socket joint B: Hinge and axis joint C: Synovial joint D: Diartmodal joint

Q27 : The shortest root on a maxillary first molar is_____________?

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

Q28 : The correct dentition in a 9- years old child is_____________?

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

Q29 : Mandibular second premolar 3- cusp type id developed from_______________?

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

Q30 : 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

Q31 : 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

Q32 : In anxious parent calls you that her 5- month -old child has still no teeth in his mouth then you should_____________?

A: Call and do radiographic survey B: Tell her that it is normal at this age C: Child has retarded growth D: Systemic problem

Q33 : 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

Q34 : 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

Q35 : 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

Q36 : The interdental papilla is located in the______________?

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

Q37 : How many pulpal horns are there in the mandibular second primary molar ?

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

Q38 : Depression of mandible is achieved by_______________?

A: Digastric B: Lateral pterygoid C: Geniohyoid D: All of the above

Q39 : The number of line angles a permanent maxillary central incisor is_____________?

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

Q40 : 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

Q41 : Which teeth the proximal aspect shows rhomboidal appearance________________?

A: Maxillary posteriors B: Mandibular posteriors C: Maxillary anteriors D: Mandibular anteriors

Q42 : 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

Q43 : Which of the following is true for permanent teeth________________?

A: Maxillary roots are inclined distally where as Mandibular roots are inclined mesially B: Maxillary molars are buccally inclined and Mandibular molars are inclined lingually C: Buccal cusps of lower and lingual cusps of upper are the functional cusp D: All of the above

Q44 : Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?

A: Primary roots show less a accessory and lateral canals B: Primary roots resorb more easily C: Primary roots are shorter D: None of the above

Q45 : 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

Q46 : 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

Q47 : 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

Q48 : The largest mesiodistal diameter in primary dentition is____________?

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

Q49 : 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

Q50 : The largest permanent tooth in the mouth usually is_____________?

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

Q51 : Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?

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

Q52 : 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

Q53 : Group function occlusion is common in_____________?

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

Q54 : 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

Q55 : What is the functional form of anterior teeth from the mesial or the distal aspect ?

A: Rhomboidal B: Trapezoidal C: Elliptical D: Wedge- shaped

Q56 : Growth of all permanent teeth except last molars is completed by___________?

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

Q57 : In the mandibular arch, in which tooth maximum lingual inclination is present_______________?

A: 1st premolar B: 3rd molar C: Lateral incisors D: Canine

Q58 : 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

Q59 : 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

Q60 : When a molar has no opposing tooth, it can become_______________?

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

Q61 : A patient with a bleeding disorder with increased bleeding time and normal clotting time is suffering from________________?

A: Classic hemophilia B: Christmas disease C: Vitamin K deficiency D: Idiopathic thrombocytopenic purpura

Q62 : Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?

A: Mesiofacial B: Distofacial C: Mesiolingual D: Distolingual

Q63 : In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?

A: Facial embrasure of canine and premolar B: Distal ridge of the cusp of mandibular canine C: incisal embrasure of canine and premolar D: Mesial ridge on the facial cusp of mandibular first premolar

Q64 : 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

Q65 : 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

Q66 : All of the following muscles are elevators of the mandible except______________?

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

Q67 : The sharpest cusp of primary first molar tooth is____________?

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

Q68 : 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

Q69 : Which of the following has a bifid root ?

A: 32,42 B: 31,41 C: 34,44 D: 13,23

Q70 : The shape of the occlusal surface of the permanent maxillary first molar is___________?

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

Q71 : Which of the following is a smallest posterior tooth______________?

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

Q72 : The decidous canine emerges______________?

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

Q73 : 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

Q74 : 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

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

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

Q76 : The first permanent tooth to erupt in the oral cavity is the_____________?

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

Q77 : The zygomatic bone does not articulate with________________?

A: Frontal bone B: Maxillary bone C: Nasal bone D: Temporal bone

Q78 : In primates; a tooth with single conical cusp and single root is seen in________________?

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

Q79 : The root of maxillary lateral incisors if curved is usually in which direction ?

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

Q80 : The total number of cingula in each dentition is_______________?

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

Q81 : A radiograph of 4- years old child reveals no evidence of calcification of mandibular second pre molar. This indicates______________?

A: It is too early to make final predication B: The teeth may develop later C: Primary second molar extracted to allow mesial drifting of permanent first molar D: The child may never develop premolars

Q82 : The process of exfolitation of primary teeth is between_____________?

A: Seventh and eight years B: Seventh and eight years C: Seventh and tenth years D: Seventh and Twelfth years

Q83 : Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?

A: Only molars B: All teeth except third molars C: 1,2,4,5,6,7 in all quadrants D: 1,2,6 in all quadrants

Q84 : 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

Q85 : At birth the following teeth are calcifying____________?

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

Q86 : If a permanent first molar is lost, the permanent second molar drifts to the______________?

A: Buccal side B: Distal side C: Mesial side D: Lingual side

Q87 : The root completion of permanent teeth is achieved after __________ years o eruption?

A: 1-1½ B: 2-3 C: 3-4 D: 4-5

Q88 : Calcification of roots of decidous teeth is completed by_____________?

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

Q89 : 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

Q90 : The largest permanent tooth in the mouth usually is_____________?

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

Q91 : 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

Q92 : 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

Q93 : 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

Q94 : When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?

A: Permanent second molar B: Permanent first molar C: Second premolar D: Primary first molar

Q95 : Largest embrasure lies between______________?

A: Maxillary central incisors B: Maxillary central and lateral incisor C: Maxillary canine and first premolar D: Maxillary lateral incisor and canine

Q96 : Oblique ridge in maxillary first molar joins which of the following cusps____________________?

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

Q97 : Primary dentition period is______________?

A: From birth to 11 years B: From 6 months to 11 years C: From 6 months to 6 years D: From 6 years to 11 years

Q98 : 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

Q99 : 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

Q100 : Distobuccal cusp of 27 falls into ______________?

A: Embrasure of 37 & 38 B: Embrasure of 36 & 37 C: Mesial pit of 37 D: Immediately incisal to cingulam

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