Enamel

Questions

1. In which stage of amelogenesis does resoprtion of basal lamina of inner enamel epithelium occur
2. In which stage of amelogenesis  does initial layer of aprismatic enamel forms
3. In which stage of amelogenesis does, ameloblast dies?
4. In which stage of amelogenesis does vascular invagination of enamel organ occur
5. In which stage of amelogenesis does the basal lamina of ameloblast reformed
6. In which stage of amelogenesis does matrix secretion ceases
7. In which stage of amelogenesis  does selective matrix withdrawal or resorption occur
8. In which stage of amelogenesis does cycling of ruffled and smooth bordered ameloblast occur
9. In which stage of amelogenesis does the full width of immature enamel matrix is laid down
10. In which stage of amelogenesis does the rough bordered ameloblast turn smooth
11. How long does the maturation stage of enamel lasts
12. The dimension of differentiated ameloblast is
13. Odontoblast differentiation is mediated by inner enamel epithelium through
14. The pre-ameloblasts releases enzyme by
15. The non-collagenous protein of odontoblast that mediates epithelium-mesenchymal interaction is
16. In aprismatic enamel near DEJ, the enamel crystallites are arranged
17. In aprismatic enamel at peripery [outer surface of crown] , the enamel crystallites are arranged
18. The shape of the Tomes process is responsible for
19. Each enamel prism is formed by
20. The mineralizing front of enamel is observed under electron microscopy as
21. Ameloblasts are joined to each other by
22. The juntion of terminal web apparatus of ameloblsts is
23. Cell junction at basal end of ameloblasts [near to st.intermedium]
24. The prism boundaries of enamel
25. Initiation of mineralization of enamel is mediated by
26. Ameloblastin determines
27. Enamel crystallite growth  and nucleation of enamel are controlled by
28. Within the enamel prism, the amelogenin are located in the
29. Number of rows of ameloblasts that are generated each week at cervical loop is
30. The transcription factor responsible for regulating cell destiny is
31. The gene product that is localized to enamel knot is
32. The regulator of enamel morphogenesis is
33. The commonest site of enamel pearl formation is

ANSWER WILL BE POSTED TOMORROW