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.Management Sciences
Category: Occlusion
IN occlusion, the teeth have______________?
A. Cusp – to – cusp contact
B. Edge- to – edge contact
C. Marginal contact
D. Surface – to- surface contact
Facial occlusal line in the maxillary arch is formed by_______________?
A. Stamp cusps
B. Centric holding cusps
C. Supporting cusps
D. Non- supporting cusps
In an ideal occlustion buccal cusps of maxillary teeth, occlude with______________?
A. Fossa and rdges
B. Grooves and embrasures
C. Lingual cusps of mandibular teeth
D. Occlusal pits and fissures of mandibular teeth
The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?
A. Within the incisor thirds
B. At the junction of middle and cervical thirds
C. At the linguo cervical ridges
D. Immediately incisal to cingulam
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
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
Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?
A. Centric occlusion
B. Rest position
C. Protrusive contacts
D. Laterotrusive contacts
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
In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?
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
The key to occlusion is_______________?
A. Maxillary permanent first molar
B. Maxillary permanent second molar
C. Maxillary primary first molar
D. Maxillary primary second molar
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