Canadian Academy of Periodontology

The foundation of a healthy smile


Smoking and Tobacco


Adverse effects of smoking


  1. Direct association with various medical conditions including:
    • Various types of cancer
    • Pulmonary and cardiovascular diseases
    • Low birth weight
  2. Risk factor for initiation and progression of periodontal disease.
  3. Current smokers are about 4 times more likely to have advanced periodontal disease compared to those who have never smoked.
  4. Direct association with:
    • Increased calculus deposition
    • Deeper pockets and greater attachment loss
    • More pronounced radiographic evidence of furcation involvement
    • Increased alveolar bone loss
    • Less favorable response to periodontal and implant therapy.

Tobacco-associated lesions of the oral cavity


Nonmalignant lesions

1. Dental Conditions

Pronounced tobacco stains

Tooth abrasion and recession
2. Gingival conditions

Necrotizing ulcerative gingivitis

Smoker's melanosis
3. Mucosal conditions

Smokeless tobacco induced lesion

Nicotinic stomatitis

Malignant lesions



Squamous cell carcinoma

Verrucous carcinoma

More information on smoking




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