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.Management Sciences
Category: Physiologic Form of Tooth and Periodontium
Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?
A. Premolars
B. 1st and 2ndmolar
C. 1st premolar and cane
D. First molar and 2nd premolar
Contact areas of anterior teeth which are placed in centre of middle third ____________?
A. Mesial contacts of maxillary lateral and canine
B. Distal contacts of maxillary centrals and laterals
C. Distal contacts of maxillary laterals and canine
D. Mesial contacts of maxillary first and second premolar
Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in______________?
A. Maxillary first molar
B. Mandibular second premolar
C. Mandibular first molar
D. Maxillary second premolar
Protective crests of contour on buccal and lingual surfaces are found______________?
A. In the middle third of the lingual
B. Nearest the occlusal third of the lingual
C. In the cervical third of the buccal
D. Both A and C
The distance from the CEJ to the alveolar crest normally is____________?
A. 1 – 1.5 mm
B. 2 mm
C. 2 – 2.3 mm
D. 3 mm
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
The term” contact point” which is often used to designate the contact of teeth i the same arch is a_____________?
A. Synonym
B. Antonym
C. Misnomer
D. Laevonomer
The biting forces at molar region during mastication is_______________?
A. 20 to 55 pounds
B. 30 to 75 pounds
C. 50 to 75 pounds
D. 90 to 200 pounds
Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?
A. Mandibular centrals
B. Mandibular laterals
C. Both A and B
D. None of the above
The primary centre of formation of each lobe is present in_____________?
A. Apex of the root
B. Tip of the cusp
C. Centre of the crown
D. Centre of the tooth
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