Medical MCQs

5099 MCQs  (Page 259 of 510)

Tooth develops from_______________?
A. Ectoderm, mosoderm
B. Ectoderm
C. Mesoderm
D. Ectoderm and endoderm
Morphological stages of tooth development are explained based on_____________?
A. Shape of enamel organ
B. Shape of tooth germ
C. Function of enamel organ
D. Shape of dental papilla
Cementum formation is seen_______________?
A. After dentin formation
B. Before dentin formation
C. Both are formed at same time
D. None of the above
Any insult to cells in apposition stage result in______________?
A. Hutchinson’s incisor
B. Osteodentin formation
C. Enamel hypoplasia
D. Anodontia
Membrana performative is seen in_________________?
A. Bell stage
B. Cap stage
C. Bud stage
D. Advanced bell stage
High levels of albumin is present in____________?
A. Inner enamel epithelium
B. Outer enamel epithelium
C. Stellate reticulum
D. Stratum intermedium
The cap stage in tooth development is characterized by_____________?
A. Morphodifferentiation
B. Reversal of functional polarity
C. Formation of hammock ligament
D. Increased mitotic activity
The cells of the enamel organ which differentiate into future ameloblasts are_____________?
A. Cells of inner enamel epithelium
B. Cells of outer enamel epithelium
C. Cells of stellate reticulum
D. Cells of stratum intermedium
Which of the following anomalies occur during the initiation and proliferation of tooth development ?
A. Amelogenisis imperfecta
B. Dentinogenesis imperfecta
C. Enamel hypoplasia
D. Oligodontia