A. Facial embrasure of canine and premolar
B. incisal embrasure of canine and premolar
C. Distal ridge of the cusp of mandibular canine
D. Mesial ridge on the facial cusp of mandibular first premolar
Related Mcqs:
- 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 - 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 - Normal dentition in centric occlusion, opposing contact may be expected at_____________?
A. Buccals slopes of buccal cusps of maxillary posterior teeth
B. Buccal slopes of lingual cusps of maxillary posterior teeth
C. Lingual slopes of lingual cusps of mandibular posterior teeth
D. All slopes of lingual cusps of mandibular posterior teeth - 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 - Difference between mandibular and maxillary premolars is that in the mandibular premolars ?
A. The buccal and lingual cusps are more prominent
B. The lingual cusp is sharper and longer
C. The lingual surface rounded and less developed
D. The buccal surface is rounded and less developed - If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
A. Mesial and distal
B. Facial and lingual
C. Mesiobuccal and distobuccal
D. Mesiolingual and distolingual - Ratio of mesiodistal width to height of crown of maxillary canine is______________?
A. 6:10
B. 8:10
C. 6:8
D. 7:10 - Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?
A. Due to deposition of cementum and bone
B. Down growths of gingival epithelium
C. Gingival cysts formed from cell rests
D. Reversal of function of horizontal and oblique fibres - The maxillary tooth exhibiting the greatest variation in root alignment is______________?
A. Central incisor
B. First premolar
C. Third molar
D. Second molar - 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