Tamil Nadu Dr MGR Medical University 2009 M.D.S Branch V – ORTHODONTICS AND DENTOFACIAL - I – APPLIED BASIC SCIENCES - - Question Paper

MARCH -2009
[KU 381] Sub. Code: 2417
M.D.S. DEGREE exam.
(Revised Regulations)
Branch V – ORTHODONTICS AND DENTOFACIAL ORTHOPAEDICS
(For Candidates admitted from 2004-2005 onwards)
Paper I – APPLIED BASIC SCIENCES
Q.P. Code : 242417
Time : 3 hours Maximum : 100 marks
Draw suitable diagram wherever necessary.
ans ALL ques..
I. Essay ques. : (2 X 20 = 40)
1. Briefly outline the molecular basis and genomics of heredity of the craniofacial region. Add a note on the inheritable kinds facial deformities and malocclusion.
2. explain the hard and soft tissue basis of mandibular growth rotations. Add a note on the impact of functional parameters in determining facial morphology.
II. Write short notes on : six X 10 = 60)
1. Thyroid hormone and the human dentition.
2. Actin and Myosin.
3. Prostaglandins and orthodontic tooth movement.
4. Trisomy No.21.
5. Retrodiscal pad.
6. Protein-calorie malnutrition.

Earning:   Approval pending.