A. Osteodentin formation

C. Anodontia

D. Hutchinsons incisor

A. Epithelial rests of malassez

B. Hertwigs root sheath

D. Alveolar bone

A. None of the above

B. Vascular

C. Has blood supply initially only

A. Cementum contain type I collagen predominantly

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

D. The uncalcified matrix of cementum is called cementoid

B. Interradicular

C. Apical

D. Coronal

A. Spongy bone

B. Periosteum

D. Endosteum

A. 10%

C. 90%

D. 60%

A. Reversal of function of horizontal and oblique fibres

B. Gingival cysts formed from cell rests

C. Down growths of gingival epithelium

A. Organising

C. Desmolytic

D. Protective

A. Dental pulp

B. Dental papilla

D. Reduced enamel organ

A. Compact bone covered by cancellous bone

B. Compact bone

C. Cancellous bone

A. Interglobular dentin

B. Primary dentin

C. Secondary dentin

B. All of the above

C. Secondary dentin and circumpulpal dentin

D. Primary and secondary dentin

A. Equal dentin

C. None of the above

D. More than dentin

A. None of the above

B. Incremental lines of retzius

C. Incremental lines of vonebner

A. Ca3 (Po4)2 CaCo3

B. CaPo4 Ca(OH)2

D. None of the above

B. All of the above

C. Hormones

D. Chemicals

A. 0.3 mm

C. 0.7 mm

D. 0.2 mm

B. Cellular cementum

C. Incremental line

D. Acellular cementum

A. Medially into zygomatic process of maxilla

B. Superiorly into floor of orbit

C. Laterally into lateral nasal wall

A. Predentin

B. Mantle dentin

D. Peritubular dentin

B. Dental lamina

C. All of the above

D. Hertwigs root sheath

A. Enamel

C. Cementum

D. Bone

B. Palatine process

C. Frontal process

D. Zygomatic process

A. Is derived from the sheath of hertwig

B. Does not contain collagen fibres

C. Is acellular in the apical third of the tooth

A. 0.75 mm in thickness

C. 0.5 mm in thickness

D. mm in thickness

A. Enamel hypoplasia

B. Dentinogenesis imperfecta

D. Amelogenisis imperfecta

A. Respond to hot and cold

B. carry pain sensation

D. Sensory in nature

A. 1 year

C. 2 years

D. 3 years

A. Lamina propria

C. Lamina densa

D. Lamina dura

A. Lacunae

B. Reversal lines

C. Canaliculi

A. Cells of odontogenic layer

B. Cementoblasts

C. Cells of the gingiva

B. Acellular cementum

C. Both of the above

D. None of the above

A. Temperature

C. Pressure

D. Proprioception

A. Fibroblasts

B. Osteoblasts

C. Capillary

A. 0.2-0.5 microns

C. 7 microns

D. 0.2-0.3 microns

A. Ectoderm

B. Ectoderm and endoderm

D. Mesoderm

B. 32

C. 62

D. 50

A. Dentin

C. Pulp

D. Cementum

A. Exophytic

B. Cancellous

D. Osteophytic

B. 2 ? m

C. 9 ? m

D. 7 ? m

A. Apical

B. Horizontal

C. Trans-septal

A. Outer enamel epithelium

B. Stratum intermedium

D. Stratum granulosum

A. 35%

B. 50%

C. 4%

B. free nerve ending in cell rich zone

C. Meisseners corpuscles at cell rich zone

D. Krause bulb at the center of the pulp

B. Less than the other parts of alveolar bone

C. Same as in other parts of alveolar bone

D. Less than the cementum

A. Comprises primarily of type II collagen

B. Has a slow rate of turn over

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

B. Foramen caecum

C. Mental foramen

D. Naso palatine foramen

B. Mantle dentin

C. Predentin

D. Sclerotic dentin

A. There is no transmission of stimulus across dentin

C. Correlated with the innervation density of the dentin

D. Direct activation of nerve endings