Primary dentition period is______________?
(A) From birth to 11 years
(B) From 6 months to 11 years
(C) From 6 months to 6 years
(D) From 6 years to 11 years
Which of the following has the maximum faciolingual diameter of the crown__________?
(A) Decidous maxillary 2nd molar
(B) Decidous maxillary 1st molar
(C) Decidous mandibular 2nd molar
(D) Decidous mandibular 1st molar
The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?
(A) Central incisors
(B) Mandibular first molar
(C) Mandibular second molar
(D) Canines
The primary lateral incisors begin to calcify about the_____________?
(A) 4th month of life
(B) 4th month in utero
(C) 41/2 month in utero
(D) 5th month in utero
In the majority of situations, that first decidous tooth to erupt is the____________?
(A) Mandibular central incisor
(B) Mandibular first molar
(C) Maxillary central incisor
(D) Maxillary second molar
Cervical bulge. True is____________?
(A) Enamel rods at cervical region directed occlusally
(B) Results in constriction at cervical region
(C) Is characteristic of decidous teeth
(D) All of the above
Which statement is correct about decidous dentition?
(A) Calcification of maxillary primary first premolar is completed at birth
(B) Mandibular first molar erupts at one and half years of age
(C) The crowns of primary dentition are more yellowish than permanent
(D) The primary dentition is initiated at 10th month in uterus
Cusp of carbaelli can be considered a normal finding on____________?
(A) Decidous mandibular 1st molar
(B) Decidous maxillary 1st molar
(C) Decidous maxillary 2nd molar
(D) Decidous mandibular 2nd molar
With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?
(A) Less
(B) Greater
(C) The same
(D) Not related