Question: Butt joint in cementoenamel junctions seen is _________% of cases?

• 1. 10%
• 2. 30%
• 3. 60%
• 4. 90%

Question: Cementum_____________?

• 1. Is derived from the sheath of hertwig
• 2. Is acellular in the apical third of the tooth
• 3. Often overlaps the enamel
• 4. Does not contain collagen fibres

Question: Blood supply of ameloblast for most of its life cycle comes form_______________?

• 1. Dental papilla
• 2. Reduced enamel organ
• 3. Dental Sac
• 4. Dental pulp

Question: The successors of deciduous teeth develops form_______________?

• 1. Successional lamina
• 2. Dental lamina
• 3. Stellate reticulum
• 4. Neutral ectodermal cells

Question: Outer and inner enamel epithelium first seen in____________?

• 1. Bud stage
• 2. Advanced bell stage
• 3. Cap stage
• 4. Bell stage

Question: High levels of albumin is present in____________?

• 1. Inner enamel epithelium
• 2. Outer enamel epithelium
• 3. Stellate reticulum
• 4. Stratum intermedium

Question: Membrana performative is seen in_________________?

• 1. Bell stage
• 2. Cap stage
• 3. Bud stage
• 4. Advanced bell stage

Question: Any insult to cells in apposition stage result in______________?

• 1. Hutchinson’s incisor
• 2. Osteodentin formation
• 3. Enamel hypoplasia
• 4. Anodontia

Question: Cementum formation is seen_______________?

• 1. After dentin formation
• 2. Before dentin formation
• 3. Both are formed at same time
• 4. None of the above

Question: Morphological stages of tooth development are explained based on_____________?

• 1. Shape of enamel organ
• 2. Shape of tooth germ
• 3. Function of enamel organ
• 4. Shape of dental papilla