A. Enamel
B. Dentin
C. Cementum
D. Pulp
✅ The correct answer is option A. Enamel.
Oral Histology
Cellular cementum is____________?
A. First formed cementum
B. Less calcified than acellular type
C. More calcified than acellular type
D. Less irregular
✅ The correct answer is option B. Less calcified than acellular type.
A purine which is found in saliva is_______________?
A. Uric acid
B. Thymine
C. Adenosine
D. Hypolithinium
✅ The correct answer is option C. Adenosine.
The range of level of fluoride secreted by the glands into the mouth is_____________?
A. 0.004-0.005 ppm
B. 0.006-0.007 ppm
C. 0.007-0.005 ppm
D. 0.007-0.08 ppm
✅ The correct answer is option C. 0.007-0.005 ppm.
Which enzyme is associated with the mineralization_____________?
A. Acid phosphatase
B. Alkaline phosphatase
C. Adenosine triphosphate
D. Amino peptidase
✅ The correct answer is option B. Alkaline phosphatase.
Cementum_____________?
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
✅ The correct answer is option C. Often overlaps the enamel.
Which of the following is not present in saliva________________?
A. Lysozyme
B. Phosphate
C. Bicarbonate
D. Trypsin
✅ The correct answer is option D. Trypsin.
Color of the normal gingiva is_____________?
A. Pink
B. Red
C. Coral pink
D. None of the above
✅ The correct answer is option C. Coral pink.
calcification in enamel starts at____________?
A. Enamel matrix
B. Root
C. CEJ
D. DEJ
✅ The correct answer is option D. DEJ.
Following is not an external manifestation of enamel________________?
A. Enamel tufts
B. Enamel lamella
C. Incremental lines of enamel
D. Enamel cuticle
✅ The correct answer is option A. Enamel tufts.