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]

BF/2013/05

Orthodontics & Dentofacial Orthopaedics

[New Scheme w.e.f. 2007 admission]

M.M. : 70                                                                           Time : 3 Hours

 

Note :    Attempt all questions.

            USE SEPARATE ANSWER SHEET FOR EACH PART.

Part – I

 

1.       What is mouth breathing habit ?  Describe effects of oral breathing on Dental/Facial structures and treatment.                                                         [10]

2.       Describe Tweed's triangle and its Indian Norms.                                [10]

3.       Write notes on :                                                                       [5x3=15]

          a.       Bionator.

          b.      Vertical Growth pattern.                                                               

c.       Draw a table of wire dimensions used in Removable orthodontic appliances.

 

Part –II

4.       What are the causes of deep bite ?  How will you treat a developing deep bite in growing children.                                                                            [10]

5.       Enumerate prevalence of Class II malocclusion in Indian population.  What are indicators of developing Class II malocclusion ?               [10]

6.       Write notes on:                                                                       [5X3=15]

          a.       Expansion schedule of Rapid Maxillary Expansion.

          b.      Indications for taking a PA cephalogram.

          c.       Lee Way space.                                                            

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Earning:   Approval pending.