please see if all the answers are correct please answer questions 1-6 I. Protect

Question

please see if all the answers are correct
please answer questions 1-6

I. Protection against periodontal disease is provided through A. Non-specific immune mechanisms Specific immune mechanisms Boer de nolS cre Neither 2. Plaque causes periodontal disease A. B y replacing the normal oral flora with pathogenic organisms By colonizing the pits and fissures of teeth By increasing the flow of crevicular fluid By lowering the pH of the saliva E. By causing continuous gingivitis 3. Damage to the periodontal structures is caused by A. Bacterial enzymes and toxins B. Host enzymes Host T and B cells D, All of the above E. None of the above 4. Monitoring of periodontal disease in the surgery can be done A. By culturing the bacteria B. Through dark field microscopy C. DNA studies D. Fluorescent antibody detection E. ELISA studies 5. Periodontal pathogens cause disease by A. Inhibiting host defence mechanisms B.) By increasing crevicular flow rate C. By lowering the pH of the crevicular fluid D. By demineralizing the sub-gingival tooth structure E. By causing bad breath 6. The shift in microflora from health to periodontal disease involves A. Gram positive facultatives replaced by Gram negative anaerobes B. Accumulation of plaque C. More Strep mutans D. Less lactobacilli E. Fewer spirochetes

Explanation / Answer

1.) C

By both specific (stopping the inflammatory responses) and non specific immune response (brushing, cleaning the tartar with the help of professional dentist)

2.)E

The bacteria (Plaque) cause inflammation of the gums called Gingivitis which in turn results in periodontal disease

3.)D

when gingivitis is not treated then it results in periodontal disease which results in loss of tooth due to inflammatory actions

4.) B

After Fluorescence labelling the bacteria, fields were examined by dark-field microscopy for the total count of bacteria

5.) B

the pathogens increases the crevicular flow rate which in turn results in periodontal disease

6.) A

the shift replaces the gram positive facultative bacteria with gram negative anaerobes. These in turn acts on the gum forms the a layer of bacteria, Plaque.

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