Oral Histology

A. Ectoderm, mosoderm

B. Ectoderm

C. Mesoderm

D. Ectoderm and endoderm

A. Dental lamina

B. Enamel organ

C. Hertwig’s root sheath

D. All of the above

A. 0.004-0.005 ppm

B. 0.006-0.007 ppm

C. 0.007-0.005 ppm

D. 0.007-0.08 ppm

A. Acid phosphatase

B. Alkaline phosphatase

C. Adenosine triphosphate

D. Amino peptidase

A. Is derived from the sheath of hertwig

B. Is acellular in the apical third of the tooth

C. Often overlaps the enamel

D. Does not contain collagen fibres

A. Lysozyme

B. Phosphate

C. Bicarbonate

D. Trypsin

A. Compact bone

B. Cancellous bone

C. Cancellous bone covered by thin layer of compact bone

D. Compact bone covered by cancellous bone

A. Increased ribonucleic acid

B. Acidic ground substance

C. Increased mitochondria

D. Presence of basic ground substance

A. Larger than the basal cells

B. Smaller than the basal cells

C. same size as that of basal cells

D. None of the above

A. 1st molar

B. 2nd premolar

C. 1st premolar

D. 2nd molar