B.D.S-B.D.S Dental Surgery 4th Year Orthodontics & Dentofacial Orthopaedics(Baba Farid University of Health Sciences, Faridkot, Punjab-2013)

B.D.S. [Fourth Year/Fourth Year(Final Prof.)]

                                                    BF/2013/05

Orthodontics & Dentofacial Orthopaedics

[New Scheme w.e.f. 2007 & 2008 admission batch]

M.M. : 70                                                                                         Time : 3 Hours

 

Note :    Attempt all questions.

             Illustrate your answer with suitable diagrams, where ever necessary.

 

            USE SEPARATE ANSWER SHEET FOR EACH PART.

Part – I

 

1.       Describe with diagrams the prenatal growth of face.                                    [10]

2.       What are oral habits ?  Describe etiology and clinical features of a patient with Mouth Breathing habit.                                                                           [10]

3.       Write Short Notes on :                                                                      [5x3=15]

          a.       Wolfe’s law of transformation of bone.

          b.      Genetics and Malocclusion.

c.       Tweed’s Analysis.

 

Part –II

4.       Discuss extraction in Orthodontics indications and criteria for selection of teeth for extraction.                                                                    [10]

5.       Discuss in detail the need for Retention and different Retention methods used in orthodontics.                                                                          [10]

                                                                        

6.       Write Notes on :                                                                      [5x3=15]

          a.       Hyalinization in tooth movement..

          b.      Growth Maturity Indicators.

          c.       Clinical feature of Class II Div 2 malocclusion.

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Earning:   Approval pending.