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.Management Sciences
Category: Physiologic Form of Tooth and Periodontium
Divergence from contact area in proximal surfaces causes embrasures____________?
A. Facially
B. Lingually
C. Cervically
D. Facially, lingually , cervically & occlusally
The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?
A. Central incisors
B. Central and lateral incisors
C. Lateral incisor and canine
D. First and 2nd premolar
Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?
A. Maxillary anterior
B. Mandibular canine
C. Mandibular anteriors
D. Maxillary canine
Generally , contact areas between posterior teeth are located in which directions from the centr of the proximal surface ____________?
A. Facially and occlusally
B. Facially and gingivally
C. Lingually and gingivally
D. Lingually and occlusally
Which of the following are the unctions of contact areas______________?
A. Distribution of occlusal stresses
B. Protection of periodontium
C. Stabilization of dental arches
D. All of the above
An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?
A. Catenary curve
B. Curve of spee
C. Monson curve
D. Wilson curve
In primates; a tooth with single conical cusp and single root is seen in________________?
A. Haplodont
B. Heterodont
C. Acrodont
D. Thecodont
The embrasure areas in the following areas are contentious______________?
A. Labial and lingual
B. Lingual and Occlusal
C. Incisal and Occlusal
D. Labial and Occlusal
The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________?
A. Mandibular first premolar
B. Mandibular lateral incisor
C. Maxillary central incisor
D. Maxillary lateral incisor
All are true about calciotraumatic line, except______________?
A. Due to caries
B. Due to death of odontoblastic layer
C. It remains after caries is removed
D. Because of odontoblastic migration from cell rich zone
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