Abstract
The aim of this study is to compare the effect of two different therapies, scaling and root planing (SRP) and periodontal debridement (DBR), on smokers with moderate chronic periodontitis. Twenty-four patients will be selected, twelve smokers (SP) and twelve non-smokers (NSP), who should have a minimum of 20 teeth in the mouth, distributed in 4 quadrants, and at least 8 teeth with a minim…