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_______________?

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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

The contact area on the distal side of a maxillary first premolar is located _____________?

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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

Generally , contact areas between posterior teeth are located in which directions from the centr of the proximal surface ____________?

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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