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
✅ The correct answer is option C. 6-1-2-3-4-5-7-8.
Oral Anatomy
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
✅ The correct answer is option D. All of the above.
The total number of cingula in each dentition is_______________?
A. 6
B. 12
C. 24
D. 32
✅ The correct answer is option B. 12.
Which of the following movement (s) is / are involved in the opening of the mouth?
A. Only hinge ( rotation )
B. Only translation
C. Hinge followed by translation
D. Translation followed by hinge
✅ The correct answer is option C. Hinge followed by translation.
Dentition of humans is_______________?
A. Herbivorous
B. Omnivorous
C. Carnivorous
D. None of the above
✅ The correct answer is option B. Omnivorous.
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
✅ The correct answer is option A. Wilson curve.
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
✅ The correct answer is option C. Decidous maxillary 2nd molar.
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
✅ The correct answer is option A. Birth to 8 years.
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
✅ The correct answer is option A. Primary roots show less a accessory and lateral canals.
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
✅ The correct answer is option A. Decidous maxillary 2nd molar.