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  • Title: Prognostic factors in the treatment of generalized aggressive periodontitis: I. Clinical features and initial outcome.
    Author: Hughes FJ, Syed M, Koshy B, Marinho V, Bostanci N, McKay IJ, Curtis MA, Croucher RE, Marcenes W.
    Journal: J Clin Periodontol; 2006 Sep; 33(9):663-70. PubMed ID: 16856897.
    Abstract:
    AIMS: The aims of this study were to investigate prognostic factors for initial response to non-surgical periodontal treatment for generalized aggressive periodontitis. METHODS: Seventy-nine patients with generalized aggressive periodontitis were included in this prospective follow-up intervention study. Patients' clinical and demographic parameters were collected at baseline and 10 weeks following a standard course of treatment (four visits of non-surgical root surface debridement together with OHI as required). The relationship between clinical variables and treatment outcome were analysed at site-specific level by chi(2) analysis and for patient-specific variables by logistic regression. RESULTS: In general, there was a good response to the treatment provided. In deep sites the mean pocket depth reduction was 2.11+/-2.01 mm. Site-specific analysis showed that the presence of plaque had a small but significant predictive effect on outcome (odds ratio 1.4). Sites on teeth with grade II/III mobility showed a significantly reduced response to treatment. Twenty-five patients were classified as "non-responders". Current smoking was strongly associated with non-responding patients (odds ratio 3.8) in a logistic regression model; plaque, baseline bleeding and initial pocket depth were not significantly associated with treatment outcomes. CONCLUSIONS: Overall, the results emphasize the importance of smoking as a negative prognostic factor, and suggest that treatment outcomes may be determined by a wide range of different determinants requiring further study.
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