Which of the following factors are primarily contributory to the shedding of deciduous tooth ____ ?
A. Oncotic pressure
B. Masticatory pressure
C. Hydrostatic
D. Vascular pressure
ORAL HISTOLOGY
Medical multiple-choice questions here cover topics like Oral Histology MCQs, with answers and explanations for medical students.
Calcified tissue is absent in ____ ?
A. Dentin
B. Cementum
C. Pulp
D. Enamel
Maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ____ μm/day ?
A. 75
B. 25
C. 100
D. 50
Osteoblasts appear basic gram staining due to ______ ?
A. Increased mitochondria
B. Presence of basic ground substance
C. Increased ribonucleic acid
D. Acidic ground substance
In which of the following papillae of the tongue are the taste buds predominantly located ______ ?
A. Fungiform
B. Circumvallate
C. Filliform
D. Foliate
Lamina densa of the gingival basement membrane is rich in ____ ?
A. Type III collagen
B. Type I collagen
C. Type I and III collagen
D. Type IV collagen
Epithelial cells which ultimately keratinize are known as _____ ?
A. Non-Keratinizing cells
B. Clear cells
C. Melanocytes
D. Keratinizing cells
Which type of collagen fibers demonstrates Chicken wire configuration?
A. Type IV
B. Type III
C. Type I
D. Type II
Deciduous teeth can be differentiated from permanent teeth by ____ ?
A. Primary and secondary dentin
B. Mineral content
C. Dentinal tubule arrangement
D. Enamel prismatic arrangement
First sign of future deciduous teeth as a thickening of oral ectoderm appears at about ______ ?
A. 56th day of Intra uterine life
B. 20 wks of Intra uterine life
C. 25th day of Intra uterine life
D. 34th day of Intra uterine life