A. Pulp
B. Dentin
C. Enamel
D. Cementum
Related Mcqs:
- Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?
A. Primary roots show less a accessory and lateral canals
B. Primary roots resorb more easily
C. Primary roots are shorter
D. None of the above - The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?
A. Impaction
B. Gingivitis
C. Occlusal wear
D. Gingival recession - In resorption of roots of the primary teeth, the dental pulp_____________?
A. Plays a passive role
B. Becomes a fibrotic non-vital mass
C. Initiates resorption from the inner surface of roots
D. Aids in formation of secondary dentin slowing down resorption - In multirooted teeth, formation of multiple roots is due to presence of_____________?
A. Epithelial diaphragm
B. Cell rests of Malassez
C. Toot bud division or bell stage
D. None of the above - After the eruption of crown, reduced enamel is known as_____________?
A. Primary attachment epithelium
B. Secondary attachment epithelium
C. Primary enamel cuticle
D. Reduced enamel epithelium - If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
A. Mesial and distal
B. Facial and lingual
C. Mesiobuccal and distobuccal
D. Mesiolingual and distolingual - Number of roots in maxillary 2nd molar is_______________?
A. 2
B. 3
C. 4
D. 5 - Maxillary first molar has how many roots ?
A. 1 facial and 2 lingual
B. 1 lingual and 2 facial
C. 1 mesial and 2 buccal
D. 1 mesial and 1 distal - How many roots does a primary maxillary first molar have ___________?
A. One
B. Two
C. Three
D. Four - A union of the roots of adjacent teeth through the cementum is referred to as_____________?
A. Concrescence
B. Fusion
C. Gemination
D. None of the above
