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
Related Mcqs:
- 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 - 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 - 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 - 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 - The shape of the occlusal surface of the permanent maxillary first molar is_______________________?
A. Oval
B. Trapezoidal
C. Triangular
D. Rhomboidal - The shape of the occlusal surface of the permanent maxillary first molar is___________?
A. Oval
B. Trapezoidal
C. Triangular
D. Rhomboidal - 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 - Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________?
A. Straight
B. Shallow
C. Bent
D. Curved - 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 - 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
