期刊
JOURNAL OF CLINICAL PERIODONTOLOGY
卷 36, 期 7, 页码 604-609出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1600-051X.2009.01421.x
关键词
mechanical; non-surgical therapy; peri-implantitis; ultrasonic; ultrasonic
P>Background Peri-implantitis is a frequent finding in patients with dental implants. The present study compared two non-surgical mechanical debridement methods of peri-implantitis. Material and Methods Thirty-seven subjects (mean age 61.5; S.D +/- 12.4), with one implant each, demonstrating peri-implantitis were randomized, and those treated either with titanium hand-instruments or with an ultrasonic device were enrolled. Data were obtained before treatment, and at 1, 3, and 6 months. Parametric and non-parametric statistics were used. Results Thirty-one subjects completed the study. The mean bone loss at implants in both groups was 1.5 mm (SD +/- 1.2 mm). No group differences for plaque or gingival indices were found at any time point. Baseline and 6-month mean probing pocket depths (PPD) at implants were 5.1 and 4.9 mm (p=0.30) in both groups. Plaque scores at treated implants decreased from 73% to 53% (p < 0.01). Bleeding scores also decreased (p < 0.01), with no group differences. No differences in the total bacterial counts were found over time. Higher total bacterial counts were found immediately after treatment (p < 0.01) and at 1 week for ultrasonic-treated implants (p < 0.05). Conclusions No group differences were found in the treatment outcomes. While plaque and bleeding scores improved, no effects on PPD were identified.
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