As compared to permanent tooth , root formation in primary tooth______________?
(A) Take less time
(B) Take more time
(C) Same time
(D) Is complete when tooth erupts in oral cavity
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 occlusion, the teeth have______________?
(A) Cusp – to – cusp contact
(B) Edge- to – edge contact
(C) Marginal contact
(D) Surface – to- surface contact
Group function occlusion is common in_____________?
(A) 10 – 14 years
(B) 15 -25 years
(C) Above 30 years
(D) Edentulous patients
Over jet is defined as______________?
(A) Horizontal overlap
(B) Vertical overlap
(C) Transverse plane discrepancy
(D) All the above
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 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
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
Distobuccal cusp of 27 falls into ______________?
(A) Embrasure of 37 & 38
(B) Embrasure of 36 & 37
(C) Mesial pit of 37
(D) Immediately incisal to cingulam
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