Journal
JOURNAL OF PERIODONTOLOGY
Volume 71, Issue 3, Pages 394-402Publisher
AMER ACAD PERIODONTOLOGY
DOI: 10.1902/jop.2000.71.3.394
Keywords
bone marrow transplantation; periodontal attachment; periodontal diseases/diagnosis; periodontal diseases/pathogenesis; dental plague/microbiology; immune system; immunodeficiency; periodontal pathogens
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Background: Patients receiving an HLA-matched bone marrow transplant (BMT) from a relative or unrelated donor undergo a permanent alteration of their immune system, followed by a prolonged period of immunodeficiency. This study aimed to examine alterations in the periodontal status of patients over 6 months post-bone marrow transplantation. Methods: Thirty-seven patients scheduled for bone marrow transplantation participated in this study. One calibrated examiner carried out periodontal examinations (clinical and radiographic) immediately prior to and at 3 and 6 months after transplantation. All patients followed an intense oral care program. Subgingival plaque samples were analyzed by enzyme-linked immunosorbent assay (ELISA) for the presence of Porphyromonas gingivalis, Actinobacillus actinomycetemcomitans, and Prevotella intermedia. Data were subjected to statistical analyses to determine the relationships between the frequency distribution of the radiographic and clinical variables over time. Results: Gains in clinical attachment level (CAL) of greater than or equal to2 mm at 4 or more sites from baseline to 6 months post-BMT were noted in 9/16 patients (56%), while 6/16 (38%) patients experienced a loss of CAL greater than or equal to2 mm at 4 or more sites in the same period. At a site level, 4.8% of sites exhibited a gain in CAL greater than or equal to2 mm between baseline and 3 months post-BMT while 2.3% of sites showed a loss of CAL greater than or equal to2 mm in the same period. From baseline to 6 months, a gain in CAL of greater than or equal to2 mm was recorded at 3.1% of sites, and 2.4% of sites experienced a loss of greater than or equal to2 mm. A significant improvement in the gingival index occurred between all sequential time periods when assessed at a site level. At a patient level, 11/18 (61%) patients showed a significant change in gingival index between baseline and 3 months and 10/16 (63%) between baseline and 6 months. There was no significant relationship between clinical changes and the prevalence of the periodontal pathogens at the various time periods. Conclusions: An improvement in periodontal health was recorded between baseline and 6 months post-transplantation. Most of the improvement in periodontal status was noted in the first 3 months after BMT, with a slight decline in periodontal health between 3 and 6 months post-transplant. No significant alteration was noted in the prevalence of periodontal pathogens during the study period.
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