The positive relationship between smoking and major general health diseases such as cancer, cardiovascular disease, pulmonary disease and negative pregnancy outcomes is already established. Moreover, the association between smoking as a major environmental risk factor for periodontal disease has also been established. Smoking is considered to have negative adverse effect on periodontal therapy ranging from non-surgical treatment, periodontal surgery, regenerative procedures and implants. This review article will attempt to build on previous studies in the periodontal literature in order to present an evidence-based comprehensive literature review on the effects of smoking on periodontal therapy.
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