Oral Biology Past Question - 2nd Year BDS BPKIHS March 2016

Time: 2 Hours                             Total Marks: 125
1. Mention five points of difference between cellular and acellular cementum.    - 5

2. Mention five points of difference between primary and permanent pulp tissues.    - 5

3. Define Crest of Curvature. Describe the Crest of Curvature of a maxillary canine from all four aspects with a neat labeled diagram.    - 2+4 = 6

4. Describe six points of difference between primary and permanent human dentition.      - 6

5. Describe the labial aspect of the permanent mandibular right lateral incisor.      - 6

6. List and discuss the functions of dental pulp.    - 6

7. Mention the different types of the cementoenamel junction and discuss the formation of any one.  - 6

8. Discuss the phenomenon of formation of Hunter-Schreger band.      - 6

9. Describe late bell stage of amelogenesis with suitable diagram.       - 4+3 = 7

10. List the transitory structures formed during the development of teeth and describe any one.     - 7

11. Discuss the development of periodontal ligament fibers.     - 7

12. Discuss the formation of the root of the permanent mandibular central incisor.   - 7

13. Describe the process of modulation in amelogenesis with suitable diagrams.      - 7

14. Discuss the keyhole pattern of enamel.    - 7

15. Discuss reciprocal induction in context to the development of teeth.     -7

16.  Discuss in detail the anatomy of the permanent maxillary right central incisor.    -10


17. WRITE SHORT NOTES ON: (3*5 = 15)
a. Perikymata
b. Prismless enamel
c. Intermediate plexus
d. Neural crest cells
e. Plexus of Rashkow

18. Define the following. (1*5 = 5)
a. Fossa
b. Ridge
c. Lobe
d. Cingulum
e. Point angle

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