A. 25th day of Intra uterine life
B. 34th day of Intra uterine life
C. 56th day of Intra uterine life
D. 20 wks of Intra uterine life
A. Enamel prismatic arrangement
B. Dentinal tubule arrangement
C. Primary and secondary dentin
D. Mineral content
A. Type I
B. Type II
C. Type III
D. Type IV
A. Incremental lines of retzius
B. Incremental lines of von Ebner
C. Contour lines lines of owen
D. None of the above
A. Permanent teeth
B. Deciduous teeth
C. Succedaneous teeth
D. None of the above
A. Osteoblast
B. Fibrocytes
C. Polymorphs
D. Osteoclasts
A. Fat
B. Mucin
C. Cartilage
D. Iron
A. By using 10% formalin
B. By using liquid or solid Co2
C. By using increasing percentages of alcohol
D. By using 5% nitric acid
A. 10% formalin
B. 40% formalin
C. 20% formalin
D. 10% alcohol
A. Reduced enamel epithelium
B. Dental papilla
C. Inner enamel epithelium
D. Dental sac