Free Oral Anatomy MCQs Mock Test Online with Answers

Q1 : 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

Q2 : First evidence of calcification of maxillary permanent central incisors occurs at_____________?

A: 3-4 months B: 10-12 months C: 2-3 years D: 3-4 years

Q3 : Calcification of permanent first molar usually begins in the_____________?

A: Third month of intrauterine life B: In the sixth month of intrauterine life C: At birth D: In the third month of extra uterine life

Q4 : 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

Q5 : 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

Q6 : How many pulpal horns are there in the mandibular second primary molar ?

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

Q7 : While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

A: 3-6 years B: 7-10 years C: 11-14 years D: 15- 18 years

Q8 : An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?

A: Catenary curve B: Curve of spee C: Monson curve D: Wilson curve

Q9 : The zygomatic bone does not articulate with________________?

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

Q10 : The geometric outline of the buccal surface of posterior teeth are_______________?

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

Q11 : 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

Q12 : 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

Q13 : 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

Q14 : Eruption date of decidous maxillary 2nd molar is ______________?

A: 20 months B: 18 months C: 24 months D: 28 months

Q15 : 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

Q16 : 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

Q17 : Number of roots in maxillary 2nd molar is_______________?

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

Q18 : Group function occlusion is common in_____________?

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

Q19 : The permanent anterior tooth, which is most 20. Commonly atypical , is_____________?

A: Maxillary central incisor B: Maxillary lateral incisor C: Mandibular central incisor D: Mandibular 1st premolar

Q20 : The highest ( longest ) and sharpest cusp on the decidous mandibular first molar is____________?

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

Q21 : Permanent Mandibular central incisor develops from_____________?

A: 1 lobe B: 3 lobes C: 4 lobes D: 5 lobes

Q22 : 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

Q23 : 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

Q24 : Steepest cusp is seen in_______________?

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

Q25 : 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

Q26 : 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

Q27 : 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

Q28 : 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

Q29 : 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

Q30 : 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

Q31 : 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

Q32 : Largest tooth in the mandibular arch is_________________?

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

Q33 : 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

Q34 : 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

Q35 : 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

Q36 : 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

Q37 : 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

Q38 : In primates; a tooth with single conical cusp and single root is seen in________________?

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

Q39 : 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

Q40 : The largest permanent tooth in the mouth usually is_____________?

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

Q41 : 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

Q42 : Largest cusp in permanent mandibular first molar is__________________?

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

Q43 : Over jet is defined as______________?

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

Q44 : 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

Q45 : 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

Q46 : Corner stones of dental arches are:

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

Q47 : The premolar alveoli are what shape in cross section_____________?

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

Q48 : Facial occlusal line in the maxillary arch is formed by_______________?

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

Q49 : In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?

A: Distobuccal groove B: Mesial surface C: Mesiobuccal surface D: Transverse groove

Q50 : 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)

Q51 : Maxillary first molar has how many roots ?

A: 1 facial and 2 lingual B: 1 lingual and 2 facial C: 1 mesial and 2 buccal D: 1 mesial and 1 distal

Q52 : In occlusion the teeth have_______________?

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

Q53 : 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

Q54 : Tritubercular cusps are_______________?

A: ML B: MB C: DB D: All of the above

Q55 : The key to occlusion is_______________?

A: Maxillary permanent first molar B: Maxillary permanent second molar C: Maxillary primary first molar D: Maxillary primary second molar

Q56 : The two major fossa of permanent maxillary first molar________________?

A: Central fossa and mesial fossa B: Central and distal fossa C: Mesial and distal tringular fossa D: Distal fossa and distal tringaular fossa

Q57 : How many roots does a primary maxillary first molar have ___________?

A: One B: Two C: Three D: Four

Q58 : The largest embrasure in posterior teeth is the__________?

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

Q59 : Kalu, a 6- years – old child, received tetracycline. Noticeable discoloration will be seen in______________?

A: Premolars, incisors and 1st molars B: Canine and 2nd molars C: Canines, premolars and2nd molars D: Incisors and 1st molars

Q60 : 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

Q61 : 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

Q62 : The term” contact point” which is often used to designate the contact of teeth i the same arch is a_____________?

A: Synonym B: Antonym C: Misnomer D: Laevonomer

Q63 : 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

Q64 : An 8 – yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?

A: Smoothen the jagged margins and apply fluoride varnish B: Build up other teeth to large size C: Extraction of big teeth D: Assure him and send him back

Q65 : The interdental papilla is located in the______________?

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

Q66 : 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

Q67 : 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

Q68 : The largest permanent tooth in the mouth usually is_____________?

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

Q69 : The contact area on the distal surface of a maxillary first premolar should be placed in________________?

A: Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure B: Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure C: Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure D: Middle 3rd with facial embrasure greater than the lingual embrasure

Q70 : Calcification of all teeth except last molars are completed by____________?

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

Q71 : 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

Q72 : 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

Q73 : 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

Q74 : Mesiolingual grooves may be found on which of the following permanent teeth ______________?

A: Mandibular second molars B: Mandibular first premolars C: Maxillary first molars D: Maxillary canines

Q75 : The root of maxillary lateral incisors if curved is usually in which direction ?

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

Q76 : A six- year molar begins to calcify at______________?

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

Q77 : 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

Q78 : Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?

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

Q79 : 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

Q80 : 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

Q81 : 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

Q82 : 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

Q83 : 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

Q84 : 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

Q85 : What is the functional form of anterior teeth from the mesial or the distal aspect ?

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

Q86 : Primary canine erupts______________?

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

Q87 : IN occlusion, the teeth have______________?

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

Q88 : 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

Q89 : Beginning of eruption of permanent tooth starts_____________?

A: After completion of root B: When apical third root is still to be formed C: When half of the root is still to be formed D: when root formation starts

Q90 : 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

Q91 : All of the following muscles are elevators of the mandible except______________?

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

Q92 : 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

Q93 : 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

Q94 : The faciolingual angulation of the upper central incisor is approximately___________________?

A: 20° B: 28° C: 33° D: 38°

Q95 : 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

Q96 : 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

Q97 : 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

Q98 : 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

Q99 : 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

Q100 : 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

Free Oral Anatomy MCQs Mock Test Online with Answers

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