NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF HEALTH SCIENCES
MAY/JUNE 2012 EXAMINATION

COURSE CODE:                                                         CHS312                                                         

COURSE TITLE:                                                        Oral Health

DURATION:                                                               2 Hours

INSTRUCTIONS:                                                       Answer only 4 out of 6 questions

Q1.a     Describe the structures of the human oral cavity.   10mks

      b.   With the aid of a well labeled diagram describe the human tooth 10mks

Q2.a     Describe the epidemiology of common oral diseases 10mks

      b.   Enumerate the factors affecting the development of dental caries and its primary prevention.  10mks

Q3.a     What is periodontal disease and what factors are responsible for its development?  10mks

      b.   Describe the causes and control of halitosis.  10mks

Q4.a     Explain what constitutes dental plaque and how it is formed  10mks

      b.   Outline the steps in removing dental plaque.   10mks

Q5.a     Describe how HIV is transmitted through the oral cavity 10mks

      b.   List the oral symptoms of HIV/AIDS .  10mks

Q6.       Briefly discuss the following:

      a.   Steps to improve oral health among the elderly

      b.   Uses of Oral health Survey

      c.    Types and effects of Oral injuries

     d.    Prevention of Oral cancer  5 mks each