A. None of the above
C. Adolescent stage
D. 5-10 years
A. Type I and Type II collagen
B. Type I collagen
D. Type I and Type IV collagen
A. Caries susceptible
C. Insensitive
D. Hypersensitive
A. Increases with age
C. Increased in some cases and decreases in some cases
D. None of the above
A. Osteophytics
B. Cancellous
D. Exophytic
A. Enamel is harder than dentine
B. Enamel has no cells
C. Odontoblast produce dentin
A. 201-250 ?m
B. 151-200 ?m
C. 101-150 ?m
A. In radicular pulp
B. Above odontoblast
C. In pulp horn
A. woven bone
B. Resorbing bone
D. Irregular bone
A. Endochondral ossification only
B. Membranous ossification only
A. Devitrification
B. Combustion
D. Decalcification
A. All of the above
B. Prevent rotation
D. Prevent extrusion
B. Enamel pearls
C. Epithelial rests of Malassez
A. Cortical bone
B. Lamellar bone
D. Alveolar bone proper
A. Type IV collagen
C. Type IV and III Collagen
D. Type I and III collagen
A. Stratified squamous
B. Simple columnar
D. Simple squamous
B. Nerve supply
C. Lymphatic supply
D. All of the above
B. Amino acids
C. Mucin
D. Ammonia
A. Cementum
B. Gingiva
D. Alveolar bone
A. Inhibit mineralization
B. Produce alkaline phosphatase
D. Contain collagen
A. Intratubular dentin
C. Intertubular dentin
D. Aprismatic enamel
A. Coarse fibril bundles arranged at right angle to the dentinal surface
C. White in transmitted light and dark in reflected light
D. Dentinal tubules
A. Cell rich zone
C. Odontoblastic zone
D. Pulp core
A. Collagen fibers are oriented perpendicular to DEJ
C. Requires matrix vesicle for mineralization
D. Vonkorff fibers are present
A. Predentin
C. Interglobular dentin
D. Tertiary dentin
A. Fracture of the dentin
C. Disturbance in dentinal tubules
D. Artifact in light microscopy
A. Mandible
C. Basal bone
D. Whole face
A. Root
B. CEJ
D. Enamel matrix
B. Ankylosis
C. Hypertrophy of cementum
D. Resorption of cementum
B. Bud stage begins
C. Cap stage begins
D. Bell stage begins
B. Cell rests of Malassez
C. None of the above
D. Toot bud division or bell stage
A. Greater content of large collagen fibres
B. Lasser content of inorganic salts
C. Greater stainability
A. They are almost vertical near the incisal edge (or) cusp tip areas
B. In cervical region of permanent teeth, they deviate in apical direction
D. They originate at right angle to dentin surface
E. In the cervical third of deciduous crowns they are almost horizontal in direction
A. Enamelin
B. Ameloplakin
D. Tuftelin
A. Odontoblasts & megakaryocyte
B. None of the above
C. Megakaryocytes, osteoblasts, osteoclasts
B. Secondary dentin
C. Circumpulpal dentin
D. Predentin
A. Cap stage
B. Advanced bell stage
D. Bud stage
B. Tomes fibres
C. Rays fibres
A. Herversian canals
B. Canals of Hirchfeld and Zuckerland
C. Volkmann canals
A. Lamina densa
B. Lamina lucida
D. Lamina propria
A. Inner pulpal layer contains more dentinal tubules than outer dentin layer
B. The diameter of dentinal tubule is more at pulpal layer than outer layer
D. The bonding is more on the inner layer of dentin compared to outer surface
A. Osteoblasts
B. Cementoblasts
D. Ameloblasts
B. Cap-bell-bud
C. Bell-cap-bud
D. Bell-bud-cap
A. Lamina lucida
B. Lamina densa
A. Straight
B. Scalloped and the convexities are directed towards enamel
C. Non-scalloped
A. Highly defined cellular zone near cemento dentinal junction (CDJ)
B. Highly defined fibrillar zone near CDJ
D. Both a and B
A. A net like plexus that runs closer to the cementum than to the bone
C. Greatest in the middle-third of a single rotted tooth
D. Greatest in the middle-third of a multirooted tooth
B. Dentin
C. Enamel (Posterior teeth)
D. Enamel (anterior teeth)
A. Has good drainage in upright position
B. Is fully developed by the age of 8 years
C. Opens in to the inferior meatus of nose
B. Before dentin formation
C. Both are formed at same time
Showing 3201 to 3250 of 10266 mcqs