Periodontal disease and Obesity

Question Title

1. Q1. Regarding the periodontal diseases, which ONE of the following statements is INCORRECT? (Required.)

A. Gingivitis is a reversible condition restricted to the marginal gingiva;

B. Periodontitis affects the supporting tissue of the teeth;

C. Severe periodontitis is not considered as one of the most prevalent chronic diseases worldwide;

D. Periodontitis is a major cause for tooth loss among adults and seniors.