Medical MCQs

5099 MCQs  (Page 236 of 510)

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
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
The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________?
A. Mandibular first premolar
B. Mandibular lateral incisor
C. Maxillary central incisor
D. Maxillary lateral incisor
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
Divergence from contact area in proximal surfaces causes embrasures____________?
A. Facially
B. Lingually
C. Cervically
D. Facially, lingually , cervically & occlusally
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
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
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