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
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
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
The faciolingual angulation of the upper central incisor is approximately___________________?
(A) 20°
(B) 28°
(C) 33°
(D) 38°
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
All embrasure spaces are reflection of the______________?
(A) Form of the teeth involved
(B) Size of the teeth involved
(C) Eruption sequence involved
(D) None of the above
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
Largest embrasure lies between______________?
(A) Maxillary central incisors
(B) Maxillary central and lateral incisor
(C) Maxillary canine and first premolar
(D) Maxillary lateral incisor and canine
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
The contact area on the distal surface of a maxillary first premolar should be placed in________________?
(A) Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure
(B) Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure
(C) Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure
(D) Middle 3rd with facial embrasure greater than the lingual embrasure