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.Management Sciences
Category: Oral Anatomy
Group function occlusion is common in_____________?
A. 10 – 14 years
B. 15 -25 years
C. Above 30 years
D. Edentulous patients
The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?
A. Number of roots
B. Depth of central fossae
C. Comparative size of the cusp of carabelli
D. Relative position of the distolingual grooves
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
Maxillary facial and mandibular lingual cusps require sufficient occclusal length and horizontal overlap for_____________?
A. Esthetics
B. Centric stability
C. Chewing efficiency
D. Soft tissue protection
A child has 12 permanent and 12 decidous teeth, what is his age____________?
A. 8½ years
B. 11½ years
C. 4½ years
D. 13½ years
Which among the following is NOT a common finding of the decidous dentition ?
A. Tight contacts, absence of spacing
B. Shallow overjet and overbite
C. Flush terminal plane
D. Ovoid arch form
Articular disc of tmj receives insertion from which muscle______________?
A. Medial pterygoid
B. Lateral pterygoid
C. Massetor
D. Temporalis
According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?
A. 1½ 2 years
B. 2½ – 3 years
C. 3-4 years
D. 3-5 years
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)
Largest cusp in permanent mandibular first molar is__________________?
A. Mesiobuccal
B. Distobuccal
C. Mesio lingual
D. Distal
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