Medical MCQs

5099 MCQs  (Page 229 of 510)

Five cusps are present in___________________?
A. Maxillary first molar only
B. Mandibular first molar only
C. Maxillary and mandibular first molar
D. Maxillary and mandibular second molar
Which of the premolars is usually the smallest____________?
A. Maxillary first
B. Maxillary second
C. Mandibular first
D. Mandibular second
A distinguishing characteristic of a maxillary first premolar that identifies it as right or left is the________________?
A. Height of the lingual cusp
B. Mesial inclination of the lingual cusp
C. Flattened area beneath the contact on the distal surface
D. Greater length of the mesial cusp ridge on the lingual cusp ( aipg- 98)
The shortest root on a maxillary first molar is_____________?
A. Mesio- buccal
B. Disto – buccal
C. Lingual
D. All are of equal length
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
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. Smoothen the jagged margins and apply fluoride varnish
B. Build up other teeth to large size
C. Extraction of big teeth
D. Assure him and send him back
Dentin islands are frequently found in the root canals of which of the following permanent teeth ?
A. Maxillary lateral incisor & mandibular canine
B. Maxillary 2nd premolar & maxillary 1st molar
C. Maxillary 2nd premolar & mandibular canine
D. Maxillary 1st molar & mandibular 2nd premolar