Development And Growth of Teeth

Accessory canals result from____________? A. Defects in cementogenesis B. Dividing epithelial bridgesC. Break in Hertwig’s root sheath D. Adherent epithelial rests

A supernumerary tooth results from a deviation during_____________? A. Initiation B. Differentiation C. Apposition D. Calcification

Blood supply of ameloblast for most of its life cycle comes form_______________? A. Dental papilla B. Reduced enamel organC. Dental Sac D. Dental pulp

The successors of deciduous teeth develops form_______________? A. Successional lamina B. Dental lamina C. Stellate reticulum D. Neutral ectodermal cells

Outer and inner enamel epithelium first seen in____________? A. Bud stage B. Advanced bell stageC. Cap stage D. Bell stage

High levels of albumin is present in____________? A. Inner enamel epithelium B. Outer enamel epitheliumC. Stellate reticulum D. Stratum intermedium

Membrana performative is seen in_________________? A. Bell stage B. Cap stage C. Bud stage D. Advanced bell stage

Any insult to cells in apposition stage result in______________? A. Hutchinson’s incisor B. Osteodentin formationC. Enamel hypoplasia D. Anodontia

Cementum formation is seen_______________? A. After dentin formation B. Before dentin formation C. Both are formed at same time D. None of the above

Morphological stages of tooth development are explained based on_____________? A. Shape of enamel organB. Shape of tooth germ C. Function of enamel organ D. Shape of dental papilla