The increased accumulation ofplaque in smokers due to substances which consist in cigarettes may effects in gingival status and may increasing incidence of gingivitis. This research was conducted to asses the influence of smoking tobacco in gingival status by measuring oral hygiene status (OHI-S), gingival status (GI), and periodontal status (CPITN) in 90 man 20-40 years old who categorized in …