A. Hutchinsons incisor

C. Osteodentin formation

D. Anodontia

A. The bodies of rods are near occlusal and incisal surfaces, where as the tails point cervically

C. The apatite crystals are parallel to bodies and deviate 65 from the tails

D. In cross sections enamel rods appear hexagonal and resembles fish scales

A. Artifact in light microscopy

B. Disturbance in dentinal tubules

D. Fracture of the dentin

A. None of the above

B. Lanullate appearance in cross-section

D. Paddle appearance in cross section

B. Hypoplasia of local origin

C. Hypoplasia of hereditary origin

D. None of the above

A. Seen at the coronal portion of the tooth

C. Formation is a slow process

D. Forms during root formation

A. Cementum contain type I collagen predominantly

B. Cementodentinal junction is sometimes scallopes in deciduous teeth and smooth in permanent teeth

D. The uncalcified matrix of cementum is called cementoid

A. Osteocytes

B. Osteoblasts

C. Ameloblasts

A. Enamel knot

B. Enamel cord

D. Enamel Cuticle

B. Devitrification

C. Combustion

D. Decalcification

A. Periodontal ligament

C. Enamel

D. Dentin

B. Pulp core

C. Cell rich zone

D. Odontoblastic zone

A. Type I collagen

B. Type I and Type IV collagen

D. Type I and Type II collagen

A. Decreased in number of cementicles

B. Increased thickness

C. Increased vascularity

A. Cells of odontogenic layer

C. Cells of the gingiva

D. Cementoblasts

A. Interglobular dentin

B. Mantal dentin

D. Intertubular dentin

B. 1/7 that of enamel

C. 1/2 that of enamel

D. 1/5 that of enamel

A. Hunter-Schregar bands

B. Striae of Retzius

C. Neonantal bands

A. Dentin

B. Cementum

C. Periodontal ligament

B. Entire root

C. Apex of root

D. Apical half of root

A. Mandible

C. Whole face

D. Basal bone

B. 35%

C. 4%

D. 50%

A. Enamel

B. None of the above

C. Acellular cementum

A. Krause bulb at the center of the pulp

B. Meisseners corpuscles at cell rich zone

D. free nerve ending in cell rich zone

A. Lamina propria

B. Vestibular lamina

C. Dental pulp

B. Apical

C. Oblique

D. Horizontal

B. Amelogenisis stage

C. Mottled enamel

D. Desmolytic stage

B. Proximal surface of tooth

C. All of the above

D. Cervical region of tooth

B. Has a slow rate of turn over

C. Comprises primarily of type II collagen

D. Derives its blood supply primarily from the branches of vessels entering the pulp

A. Sclerotic dentin

B. All of the above

D. Reparative dentin

B. Epithelial rests of Malassez

C. All of the above

D. Enamel pearls

B. Secondary dentin

C. Primary dentin

D. Interglobular dentin

A. Cementum

C. Alveolar sockets

D. Gubernacular cords

B. Formation of pulp

C. Formation of cementum

D. Formation of periodontal ligament

A. Coronal

B. Interradicular

D. Apical

A. Desmolytic

B. Protective

D. Organising

A. Intratubular dentin

B. Intertubular dentin

C. Aprismatic enamel

A. They elicit pain to hot and cold

C. They elicit pain to touch and pressure

D. They elicit pain to chemicals

B. Before dentin formation

C. Both are formed at same time

D. None of the above

A. None of the above

B. Round

D. Square

A. Lamina densa

B. Lamina propria

C. Lamina lucida

B. Bone is more resistant to resorption than cementum

C. Both are equally resorbable

D. None of the above

A. Pellicle

B. Enamel lamellae

C. Cracks

A. 3 years

C. 7 years

D. 2 years

B. Stratum granulosum

C. Stratum intermedium

D. Outer enamel epithelium

A. Chondroblasts

C. Osteoblasts

D. Odontoblasts

B. Support and retention to the complete denture

C. Boundaries for the tongue during speech

D. Attachment to muscles of facial expression

B. Lateral canal

C. Twisted

D. Curved

A. 62

B. 32

D. 50

A. Cap-bell-bud

B. Bell-bud-cap

D. Bell-cap-bud