Most Updated Medical MCQs – Permanent Dentition ( Oral Anatomy ) MCQs
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Latest Medical MCQs
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Latest Permanent Dentition ( Oral Anatomy ) Mcqs
The most occurred mcqs of Permanent Dentition ( Oral Anatomy ) in past papers. Past papers of Permanent Dentition ( Oral Anatomy ) Mcqs. Past papers of Permanent Dentition ( Oral Anatomy ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Permanent Dentition ( Oral Anatomy ) Mcqs. The Important series of Permanent Dentition ( Oral Anatomy ) Mcqs are given below:
In maxillary 1st permanent molar, the 2 obtuse angles are________________?
A. Mesiofacial and distolingual
B. Mesiolingual and mesiofacial
C. Distofacial and mesiolingual
D. Distofacial and mesiofacial
In the mandibular arch, in which tooth maximum lingual inclination is present_______________?
A. 1st premolar
B. Lateral incisors
C. 3rd molar
D. Canine
Following eruption , the root of the maxillary central incisor completes development at what approximate age ?
A. 8 years
B. 7 years
C. 9 years
D. 10 years
The maxillary lateral incisor is smaller than the maxillary central incisor on all aspects EXCEPT which one of the following______________?
A. Mesiodistal crown width
B. Crown length
C. Faciolingual crown width
D. Root length
Which teeth the proximal aspect shows rhomboidal appearance________________?
A. Maxillary anteriors
B. Mandibular posteriors
C. Maxillary posteriors
D. Mandibular anteriors
Steepest cusp is seen in_______________?
A. Maxillary 1st premolar
B. Mandibular 2nd molar
C. Maxillary 1st molar
D. Mandibular 1st molar
The eruption age of maxillary permanent lateral incisor is________________?
A. 8-9 years
B. 10-11 years
C. 6-7 years
D. 8-9 months
Maxillary first molar has how many roots ?
A. 1 mesial and 2 buccal
B. 1 lingual and 2 facial
C. 1 facial and 2 lingual
D. 1 mesial and 1 distal
Average of length of maxillary cuspid is______________?
A. 26 mm
B. 21 mm
C. 33 mm
D. 18 mm
Which of the following permanent teeth is usually bilaterally symmetric when viewed labially and incissaly ______________?
A. Mandibular canine
B. Mandibular lateral incisor
C. Mandibular central incisor
D. Maxillary central incisor
The root trunk of permanent mandibular first molar buccally is______________?
A. Equal is length to the mesial bifurcation of the maxillary first molar
B. equal in length to the crown
C. Equal is length to the buccal bifurcation of the maxillary first molar
D. None of the above
The maxillary tooth exhibiting the greatest variation in root alignment is______________?
A. First premolar
B. Central incisor
C. Third molar
D. Second molar
Which of the following is true of permanent first molar’s occlusal surface_____________?
A. Mandibular molar has 1 major fossa, 2 minor fossa, 5 triangular ridges and 4 grooves
B. Maxillary molar has 2 major fossa, 2 minor fossa, 4 triangular ridges,1 oblique ridge and 5 grooves
C. Rhomboidal shape in maxillary molars and hexagonal shape in Mandibular molars
D. All of the above
Which of the following is true for permanent teeth________________?
A. Maxillary molars are buccally inclined and Mandibular molars are inclined lingually
B. Maxillary roots are inclined distally where as Mandibular roots are inclined mesially
C. Buccal cusps of lower and lingual cusps of upper are the functional cusp
D. All of the above
Permanent mandibular first molar is developed from ______ lobes?
A. 4
B. 3
C. 5
D. 6
The two major fossa of permanent maxillary first molar________________?
A. Mesial and distal tringular fossa
B. Central and distal fossa
C. Central fossa and mesial fossa
D. Distal fossa and distal tringaular fossa
In which of the following a nonfunctional cusp is present________________?
A. Maxillary 1st molar
B. Mandibular 1st molar
C. Maxillary 2nd molar
D. Mandibular 2nd molar
The premolar with the occlusal groove pattern that may simulate the letter “Y” is________________?
A. Maxillary second
B. Maxillary first
C. Mandibular second
D. Mandibular first
In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?
A. Line connecting distal with lingual is longest
B. Line connecting mesial with lingual is longest
C. Line connecting mesial with distal is longest
D. Angle at the mesio facial canal is obtuse
Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?
A. Distal
B. Mesial
C. Buccal
D. None of the above
Which cusp is poorly developed in a permanent maxillary second molar_____________?
A. MB
B. DL
C. DB
D. ML
Tritubercular cusps are_______________?
A. MB
B. ML
C. DB
D. All of the above
The occlusal surface shape of a 3 cusped mandibular second premolar_________________?
A. Elliptical
B. Oval
C. Square
D. Tetrahedral
Mesial slope of buccal cusp is longer than distal slope in_________________?
A. Mandibular canine
B. Maxillary 1st premolar
C. Maxillary 2nd premolar
D. Maxillary canine
Mandibular second premolar 3- cusp type id developed from_______________?
A. 4
B. 3
C. 5
D. 6
Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?
A. Mamelons
B. Enamel pits
C. Tubercles
D. Cingulum
No. of cusps in mandibular 1st molar_____________?
A. 3
B. 4
C. 5
D. 6
Longest tooth of the maxillary arch is_____________?
A. First premolar
B. Permanent incisor
C. Permanent canine
D. Decidous incisor
The largest permanent tooth in the mouth usually is_____________?
A. Mandibular canine
B. Maxillary canine
C. Mandibular first molar
D. Maxillary first molar
Difference between mandibular and maxillary premolars is that in the mandibular premolars ?
A. The lingual cusp is sharper and longer
B. The buccal and lingual cusps are more prominent
C. The lingual surface rounded and less developed
D. The buccal surface is rounded and less developed
Mesiolingual grooves may be found on which of the following permanent teeth ______________?
A. Maxillary first molars
B. Mandibular first premolars
C. Mandibular second molars
D. Maxillary canines
Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
A. Thinner incisal ridge
B. More pronounced lingual fossa
C. Flattened root
D. Sharper proximal incisal angles
The total number of cingula in each dentition is_______________?
A. 24
B. 12
C. 6
D. 32
A maxillary right canine may be distinguished from a maxillary left canine because ____________?
A. Facially the cusp tip is placed distal to Bisecting line
B. The distal half of canine shows more convexity than the mesical half
C. The root curves to mesial in the apical 1/3rd
D. Lingually the cervical line slopes mesially
Number of roots in maxillary 2nd molar is_______________?
A. 4
B. 3
C. 2
D. 5
The permanent anterior tooth, which is most 20. Commonly atypical , is_____________?
A. Mandibular central incisor
B. Maxillary lateral incisor
C. Maxillary central incisor
D. Mandibular 1st premolar
The root of maxillary lateral incisors if curved is usually in which direction ?
A. Distal
B. Facial
C. Mesial
D. Palatal
The shortest root on a maxillary first molar is_____________?
A. Lingual
B. Disto – buccal
C. Mesio – buccal
D. All are of equal length
A distinguishing characteristic of a maxillary first premolar that identifies it as right or left is the________________?
A. Flattened area beneath the contact on the distal surface
B. Mesial inclination of the lingual cusp
C. Height of the lingual cusp
D. Greater length of the mesial cusp ridge on the lingual cusp ( AIPG- 98)
The most common curvature of the palatal root of maxillary first molar is_____________?
A. Facial
B. Distal
C. Lingual
D. Mesial
Decidous Dentition MCQs
Which of the premolars is usually the smallest____________?
A. Maxillary second
B. Maxillary first
C. Mandibular first
D. Mandibular second
Five cusps are present in___________________?
A. Mandibular first molar only
B. Maxillary first molar only
C. Maxillary and mandibular first molar
D. Maxillary and Mandibular second molar
In which of the tooth is the mesiodistal measurements is greater lingually than facially________________?
A. Mandibular 2ndpremolar
B. Maxillary 1stpremolar
C. Mandibular 1st premolar
D. Maxillary 1st molar
In which of the tooth is the mesiodistal measurements is greater lingually than facially_____________?
A. Mandibular 2ndpremolar
B. Maxillary 1stpremolar
C. Mandibular 1st premolar
D. Maxillary 1st molar
Greater crown bulk distal to the faciolingual bisecting plane of a tooth is most typical of the mandibular_______________?
A. Lateral incisor
B. Central incisor
C. Canine
D. Second premolar (AIPG – 97, Man-95)
Which of the following is the largest root_____________?
A. The lingual root of a maxillary second molar
B. The lingual root of a maxillary first molar
C. The root of a mandibular canine
D. The root of a maxillary canine
The shape of the occlusal surface of the permanent maxillary first molar is___________?
A. Trapezoidal
B. Oval
C. Triangular
D. Rhomboidal
The number of line angles a permanent maxillary central incisor is_____________?
A. Four
B. Two
C. Six
D. Eight
Dentin islands are frequently found in the root canals of which of the following permanent teeth ?
A. Maxillary 2nd premolar & maxillary 1st molar
B. Maxillary lateral incisor & mandibular canine
C. Maxillary 2nd premolar & mandibular canine
D. Maxillary 1st molar & mandibular 2nd premolar
Ratio of mesiodistal width to height of crown of maxillary canine is______________?
A. 6:8
B. 8:10
C. 6:10
D. 7:10
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. Build up other teeth to large size
B. Smoothen the jagged margins and apply fluoride varnish
C. Extraction of big teeth
D. Assure him and send him back
Crown formation of all permanent teeth except third molars is completed between_____________?
A. Birth to 8 years
B. Birth to 6 years
C. Birth to 12 years
D. 6 years to 12 years
According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?
A. 3-4 years
B. 2½ – 3 years
C. 1½ 2 years
D. 3-5 years
Which of the following tooth shows largest Mesio- buccal ridge _____________?
A. Maxillary 1st premolar
B. Mandibular 1st molar
C. Maxillary 2nd premolar
D. Mandibular 2nd premolar
The number of point angles in a permanent mandibular first molar is_____________?
A. 8
B. 6
C. 4
D. 10
The term diphydont means____________?
A. Two same sets of dentition
B. Second dentition
C. Two separate sets of dentition
D. More than two sets of dentition
Which of the following has a nonfunctional cusp ?
A. Maxillary second premolar
B. Mandibular canine
C. Mandibular first premolar
D. None of the above
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
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. Mandibular lateral incisor
C. Maxillary second premolar
D. Mandibular central incisor
The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?
A. Cusps
B. Lingual grooves
C. Roots
D. Marginal ridges
Fourth canal is present in_____________?
A. Distal root of mandibular first molar
B. Mesiobuccal roots of maxillary first molar
C. Both of the above
D. None of the above
The geometric outline of the buccal surface of posterior teeth are_______________?
A. Trapezoidal
B. Quadrilateral
C. Rhomboidal
D. Square
The lingual cusp of lower first premolar is compared to the development of____________?
A. Distolingual cusp of molars
B. Cusp of carabelli
C. Lingual cusp of second premolar
D. Cingulam of canine
The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?
A. Distolingual, Mesiobuccal, and Linguo buccal
B. Distrobuccal, distolingual and Mesiolingual
C. Mesiobuccal, Distobuccal and Mesiolingual
D. Mesiolingual, Mesiobuccal and distolingual
Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?
A. Mesiofacial
B. Mesiolingual
C. Distofacial
D. Distolingual
What is the functional form of anterior teeth from the mesial or the distal aspect ?
A. Trapezoidal
B. Rhomboidal
C. Elliptical
D. Wedge – shaped
Permanent Mandibular central incisor develops from_____________?
A. 3 lobes
B. 1 lobe
C. 4 lobes
D. 5 lobes
Cervical cross section of maxillary first premolar is_____________?
A. Elliptical
B. Kidney shape
C. Dumbell
D. Oval
Acute angled cusps in permanent maxillary first molar are_____________?
A. MB and DB
B. MB and DL
C. DB and ML
D. ML and DL
Tooth with most variable occlusal anatomy________________?
A. Maxillary third molar
B. Maxillary second premolar
C. Mandibular third molar
D. Mandibular second premolar
Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?
A. Mandibular 1st premolar
B. Maxillary 1st premolar
C. Maxillary canine
D. Maxillary 2nd premolar
Corner stones of dental arches are:
A. First premolars
B. Canines
C. First molars
D. Second molars
Oblique ridge in maxillary first molar joins which of the following cusps____________________?
A. ML and MB
B. DL and DB
C. ML and DB
D. DL and MB
Upper 4 resembles 5 from which aspect ?
A. Buccally
B. Occlusal
C. Lingually
D. Proximally
Which of the following has a bifid root ?
A. 31,41
B. 32,42
C. 34,44
D. 13,23
Largest tooth in the mandibular arch is_________________?
A. Decidous first molar
B. Canine
C. Permanent first molar
D. Third molar
Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?
A. Palatal surface
B. Mesial surface
C. Buccal surface
D. Mesial half of the palatal surface
On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?
A. Mandibular lateral incisor
B. Mandibular central incisor
C. Maxillary central incisor
D. Mandibular second premolar
Single central pit is formed on occlusal surface of_______________?
A. Maxillary first premolar
B. Mandibular second premolar
C. Mandibular first premolar
D. Maxillary second premolar
In comparison to maxillary central incisor , Maxillary canine has a height of contour that is______________?
A. More
B. Same
C. Less
D. Different on different teeth
Tooth with smallest root is_______________?
A. Mandibular lateral incisor
B. Maxillary central incisor
C. Maxillary lateral incisor
D. Mandibular central incisor
Which of the following is a smallest posterior tooth______________?
A. Maxillary second premolar
B. Mandibular first premolar
C. Maxillary first premolar
D. Mandibular second premolar
The mesial surface of the crown is almost parallel to long axis and the root of a______________?
A. Mandibular 2nd premolar
B. Maxillary 1st premolar
C. Maxillary canine
D. Mandibular canine
Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?
A. Mandibular permanent first molar
B. Maxillary permanent first molar
C. Mandibular permanent second molar
D. Mandibular decidous second molar
Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?
A. Maxillary 2nd premolar
B. Maxillary 1st premolar
C. Mandibular 1st premolar
D. Mandibular 2nd premolar
A pronounced developmental groove is usually present on the mesial marginal ridge of a permanent________________?
A. Mandibular second premolar
B. Mandibular third molar
C. Maxillary second molar
D. Maxillary first premolar
Most common morpholgical variation is seen in________________?
A. Maxillary lateral incisor
B. Maxillary canine
C. Mandibular lateral incisor
D. Mandibular canine
Which of the following teeth have more than one occlusal form____________?
A. Maxillary 2nd premolar
B. Maxillary 1st premolar
C. Maxillary 1st molar
D. Mandibular 1stmolar
If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
A. Mesiobuccal and distobuccal
B. Facial and lingual
C. Mesial and distal
D. Mesiolingual and distolingual
Largest cusp in permanent mandibular first molar is__________________?
A. Mesiobuccal
B. Mesio lingual
C. Distobuccal
D. Distal
Palatogingival groove is found in______________?
A. Maxillary lateral incisor
B. Maxillary first molar
C. Maxillary first premolar
D. All of the above
The shape of the occlusal surface of the permanent maxillary first molar is_______________________?
A. Trapezoidal
B. Oval
C. Triangular
D. Rhomboidal