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Brazilian Oral Research

Print version ISSN 1806-8324


ANGST, Patrícia Daniela Melchiors; DUTRA, Danilo Antônio Milbradt; MOREIRA, Carlos Heitor Cunha  and  KANTORSKI, Karla Zanini. Gingival inflammation and platelet count in patients with leukemia: preliminary results. Braz. oral res. [online]. 2011, vol.25, n.6, pp.544-549. ISSN 1806-8324.

Leukemia has been associated with oral manifestations. However, the available literature on this topic consists of mostly reports of cases, without data about the periodontal parameters that may be under the influence of hematologic factors. The aim of this cross-sectional study was to assess the correlation between the Gingival Index and Bleeding on Probing with the platelet count in patients with leukemia. Patients with diagnosis of any kind of leukemia, at any stage of treatment, having a minimum age of 14 years, treated at the Department of Hematology-Oncology of the University Hospital of Santa Maria, Brazil, between December 2009 and March 2010, were assessed. Excluded patients were: edentulous, with orthodontic appliances, with psychomotor disturbances, requiring antibiotic prophylaxis for the examinations, or those using medications associated with gingival swelling. Two trained and calibrated examiners evaluated the Plaque Index, Gingival Index (GI), Probing depth, Bleeding on Probing (BOP), and Clinical Attachment Loss. Hematologic data were collected from a blood test performed on the same day as the periodontal examination. Thirty-seven patients (26 males), aged between 15 and 80 years (mean age 41.7 ± 18.31) were evaluated. Correlation between platelet count and BOP (p > 0.05), or between platelet count and GI (p > 0.05), were both weak (Pearson's correlation coefficient r = 0.171 and r = -0.003, respectively) and not statistically significant. It can be concluded from the preliminary results that the low platelet count was not correlated with the higher prevalence of gingival and periodontal bleeding in patients with leukemia.

Keywords : Leukemia; Platelet Counts; Periodontal Index.

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