Cigarette smoking and alveolar bone height in subjects with a high standard of oral hygiene

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Abstract
: Smokers and non‐smokers were compared with respect to alveolar bone height. The study covered 235 subjects aged 21 60 years, 72 of whom were smokers. Oral hygiene status and dental care habits were above average and of equal standard in both groups (P11 = 0.9). Alveolar bone height was assessed on radiographs and expressed as % of the root length, Alveolar bone height was significantly reduced in smokers as compared to non‐smokers, the mean ± SEM being 77.9 ± 1.3% and 82.8, ± 0.6%. respectively (p < 0.001), Regression analysis suggested that periodontal breakdown judged from loss of alveolar bone over time was more accelerated m smokers than non‐smokers. The lower hone height in smokers remained when age and oral hygiene were followed for. It is concluded that smoking is a risk factor for periodontal health.

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