The largest embrasure in posterior teeth is the__________?
(A) Buccal
(B) Distal
(C) Lingual
(D) Occlusal
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
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
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
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
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