Etiology of Periodontal disease

Which component of the dental plaque is responsible for adhesive nature?

• (a) Dextran

• b) Bacteria

• (c) Epithelial cells

• (d) Food debris

Deficiency of which vitamin is accompanied with gingival bleeding:

•  (a) Vitamin A

• (b) Vitamin C

• (c) Vitamin D

• (d) Vitamin E

Which of the following is NOT a host factor in periodontal disease?

• a. Age

• b. Gender

• c. Smoking

• d. Plaque

What is the main bacterial species responsible for the initiation of periodontal disease?

• a. Porphyromonas gingivalis

• b. Streptococcus mutans

• c. Candida albicans

• d. Staphylococcus aureus

Which of the following is a mechanical etiological factor in periodontal disease?

• a. Hormonal changes

• b. Genetic susceptibility

• c. Smoking

• d. Faulty restorations

Which of the following is an environmental etiological factor in periodontal disease?

• a. Genetics

• b. Stress

• c. Age

• d. Medications