Oral Histology - Enamel
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This is the MCQs of Oral Histology
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Question 1 of 61
1. Question
perikymata are the external surface manifestations of:
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Question 2 of 61
2. Question
The percentage of inorganic matter in fully developed enamel is about
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Question 3 of 61
3. Question
The enamel of the posterior teeth is thickest at:
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Question 4 of 61
4. Question
Hunter Schreger band are:
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Question 5 of 61
5. Question
Enamel tufts are:
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Question 6 of 61
6. Question
Following is not an external manifestation of enamel
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Question 7 of 61
7. Question
Ratio of diameter of enamel rods in the DEJ to the enamel surface is:
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Question 8 of 61
8. Question
Blunt cell processes seen on the developing ameloblasts are celled as:
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Question 9 of 61
9. Question
Interwining of the enamel rods at the cusp timps and the incisal edges of a tooth is called:
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Question 10 of 61
10. Question
Incremental lines of retzius are seen in:
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Question 11 of 61
11. Question
All are true regarding the enamel spindles except:
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Question 12 of 61
12. Question
Ionic exchange between enamel surface and environment
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Question 13 of 61
13. Question
Approximately how many enamel rods will be present in a maxillary molar?
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Question 14 of 61
14. Question
All are true about the striae of retzius except:
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Question 15 of 61
15. Question
Neonatal lines are found in all of the following except:
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Question 16 of 61
16. Question
On microscopic examination enamel rods have:
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Question 17 of 61
17. Question
Which of the following structures is not of ectodermal origin:
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Question 18 of 61
18. Question
The formative cells of which of the following dental tissues disappear once tissue is formed
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Question 19 of 61
19. Question
Which of the following tissues have no reparative capacity:
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Question 20 of 61
20. Question
The enamel has no capacity of self repair because
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Question 21 of 61
21. Question
The type of fibrous element in enamel is:
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Question 22 of 61
22. Question
calcification in enamel starts at:
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Question 23 of 61
23. Question
Specific gravity of enamel is:
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Question 24 of 61
24. Question
Inorganic content of enamel is about:
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Question 25 of 61
25. Question
Length of enamel rods is:
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Question 26 of 61
26. Question
The diameter of the rod is:
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Question 27 of 61
27. Question
Which of the following statement is correct
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Question 28 of 61
28. Question
True about direction of enamel rods:
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Question 29 of 61
29. Question
Thin leaf like structures that extend from enamel surface in to DEJ are:
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Question 30 of 61
30. Question
Dentino enamel junction is:
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Question 31 of 61
31. Question
Hertwig’s root sheath is formed from:
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Question 32 of 61
32. Question
Chronological hypoplasia is:
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Question 33 of 61
33. Question
Moth eaten appearance of of enamel is seen in:
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Question 34 of 61
34. Question
Formation of dentin by odontoblasts begins in:
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Question 35 of 61
35. Question
Which of the following is correct:
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Question 36 of 61
36. Question
The striking difference between enamel and other mineralized tissues is
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Question 37 of 61
37. Question
Shape of enamel rod is:
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Question 38 of 61
38. Question
Enamel is laid down:
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Question 39 of 61
39. Question
Ameloblasts is:
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Question 40 of 61
40. Question
Synthesis of enamel matrix proteins occurs in the:
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Question 41 of 61
41. Question
The small ridges, perikymata, seen on facial surfaces of canines are the result of:
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Question 42 of 61
42. Question
Among the following the structure that is most calcified is:
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Question 43 of 61
43. Question
Enamel spindles are formed by:
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Question 44 of 61
44. Question
Neonatal line is also referred to as:
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Question 45 of 61
45. Question
Incremental lines of Retzius appear
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Question 46 of 61
46. Question
Nutritional supply of the ameloblasts during most of their life cycle is from the:
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Question 47 of 61
47. Question
Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are:
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Question 48 of 61
48. Question
Metalloprotienases are used in which stage of the amelogenesis:
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Question 49 of 61
49. Question
The thickness of prismless enamel in diciduous teeth is:
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Question 50 of 61
50. Question
The class of low molecular weight calcium binding proteins seen predominantly in developing enamel are:
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Question 51 of 61
51. Question
Gnarled enamel is seen in:
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Question 52 of 61
52. Question
The key hole, pattern appearance in the cross section is feature of:
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Question 53 of 61
53. Question
Neonatal lines are seen in:
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Question 54 of 61
54. Question
The shallow furrows on the enamel surface, where stria of Retzius end are known as?
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Question 55 of 61
55. Question
Which of these DOES NOT contain collagen
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Question 56 of 61
56. Question
The average width of enamel rods is:
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Question 57 of 61
57. Question
Maximum amount of phosphate is seen in:
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Question 58 of 61
58. Question
Dark bonds that are present in enamel rods at intervals of 4 μms are:
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Question 59 of 61
59. Question
Which of the following is correct about enamel crystals?
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Question 60 of 61
60. Question
Enamel can act in a sense like a:
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Question 61 of 61
61. Question
Non acidic, nonionic protein which helps in enamel mineralization
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