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Minerva Stomatologica 2010 January-February;59(1-2):1-12


language: English, Italian

Effect of smoking status on pocket probing depth and bleeding on probing following non-surgical periodontal therapy

Farina R., Simonelli A., Rizzi A., Trombelli L.

Research Centre for the Study of Periodontal Diseases, University of Ferrara, Ferrara, Italy


AIM: Cigarette smoking is a risk factor for periodontitis incidence and progression. Contrast-ing results were obtained when the impact of cigarette smoking on the clinical outcomes of non-surgical periodontal therapy (NSPT) was evaluated. The present study was designed to evaluate the smoking status as outcome determinant of NSPT.
METHODS: Two groups of patients with different smoking status (smoker group, S, and non-smoker group, NS) were retrospectively selected from a pool of patients seeking care for periodontitis. The effectiveness of NSPT was assessed by evaluating the changes in 1) the prevalence of sites with different pocket probing depth (PPD), and 2) the patient- and site-specific bleeding RESULTS: Group S comprised of 65 patients (mean age: 45.6±8.7 years; 24 males and 41 females) and group NS comprised of 66 patients (mean age: 46.8±11.7 years; 17 males and 49 females). A statistically significant increase in the prevalence of sites with PPD≤3 mm (P<0.000), as well as a significant decrease in the prevalence of sites with PPD 4÷6 mm (P<0.000) and PPD≥7 mm (P≤0.01) was detected at re-evaluation. BoP scores were significantly reduced for the entire dentition (P<0.000) as well as for sites with PPD≤3 mm (P<0.01) and PPD 4÷6 mm (P<0.000) in both group S and group NS. No statistically significant differences in the post treatment change of PPD and BoP scores were detected between groups.
CONCLUSION: Our results seem to suggest that smoking status has a limited, if any, effect on the clinical outcomes of NSPT.

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