A. 6th week IU
B. 2nd week IU
C. 9th week IU
D. 4th week IU
Development And Growth of Teeth
Any insult to cells in apposition stage result in______________?
A. Hutchinson’s incisor
B. Osteodentin formation
C. Enamel hypoplasia
D. Anodontia
In cap stage, regulating factor for cusp shape formation is present in____________?
A. Dental papilla
B. Dental follicle
C. Inner enamel epithelium
D. Enamel Knot
High levels of albumin is present in____________?
A. Inner enamel epithelium
B. Outer enamel epithelium
C. Stellate reticulum
D. Stratum intermedium
The successors of deciduous teeth develops form_______________?
A. Successional lamina
B. Dental lamina
C. Stellate reticulum
D. Neutral ectodermal cells
Membrana performative is seen in_________________?
A. Bell stage
B. Cap stage
C. Bud stage
D. Advanced bell stage
Enamel pearls are found in_____________?
A. Occlusal surface of premolars
B. Furcation areas of permanent molars
C. On the incisal edges of incisors
D. None of the above
Lip furrow band is______________?
A. Vestibular lamina
B. Successional lamina
C. Dental lamina
D. Basal lamina
Blood supply of ameloblast for most of its life cycle comes form_______________?
A. Dental papilla
B. Reduced enamel organ
C. Dental Sac
D. Dental pulp
Accessory canals result from____________?
A. Defects in cementogenesis
B. Dividing epithelial bridges
C. Break in Hertwig’s root sheath
D. Adherent epithelial rests
