Tooth Eruption And Shedding Mcqs
Q.1: In resorption of roots of the primary teeth, the dental pulp_____________?J
A. Plays a passive role
B. Becomes a fibrotic non-vital mass!
C. Initiates resorption from the inner surface of roots4
D. Aids in formation of secondary dentin slowing down resorption=
Q.2: Tooth eruption is due to______________?'
A. Osteoclastic activity
B. Proliferation of cells at crypt
C. Exforliation of primary tooth
D. Eruptive force
Q.3: Resorption of dental tissue is caused by_____________?6
A. Osteoclasts
B. Osteoblasts
C. Odontoclasts
D. Odontoblasts
Q.4: Gubernacular canal guides the eruption of_____________?7
A. Primary teeth
B. Permanent teeth
C. Both A and B
D. None of the above
Q.5: Tooth buds of permanent mandibular incisors are situated_____________?F
A. Lingual to primary teeth
B. Inferior to primary teeth
C. Labial to primary teeth
D. A and B
Q.6: Epithelial attachment is derived from____________?2
A. Reduced enamel epithelium
B. Dental papilla
C. Inner enamel epithelium
D. Dental sac
Q.7: A suitable fixative for a routine biopsy specimen is_____________?B
A. 10% formalin
B. 40% formalin
C. 20% formalin
D. 10% alcohol
Q.8: Dehydration of specimen is carried out by____________?6
A. By using 10% formalin
B. By using liquid or solid Co2
C. By using increasing percentages of alcohol*
D. By using 5% nitric acid
Q.9: Frozen sections can be used for the demonstration of_____________?B
A. Fat
B. Mucin
C. Cartilage
D. Iron
Q.10: The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?a
A. Osteoblast
B. Fibrocytes
C. Polymorphs
D. Osteoclasts

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