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KMID : 0363020080380010097
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Journal of Korean Academy of Periodontology
2008 Volume.38 No. 1 p.97 ~ p.102
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BBP(R) graft for periodontal intrabony defects and molar furcation Lesions: Case Report
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Kim Myung-Jin
Lee Ju-Yun
Kim Sung-Jo
Choi Jeom-Il
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Abstract
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Purpose : Periodontal intrabony defects have great deal of importance since they contribute to the development of periodontal disease. Current treatment regimens for intrabony defects involve grafting of numerous bony materials, GTR using biocompatible barriers, and biomodification of root surface that will encourage the attachment of connective tissue. Xenograft using deproteinized bovine bone particles seems to be very convenient to adjust because it doesn’t require any donor sites or imply the danger of cross infections. These particles are similar to human cancellous bone in structure and turned out to be effective in bone regeneration in vivo. We here represent the effectiveness of grafting deproteinized bovine bone particles in intrabony defect and furcation involvements that have various numbers of bony walls.
Materials & Methods : Open flap debridement was done to remove all root accretions and granulation tissue from the defects within persisting intrabony lesions demonstrating attachment loss of over 6mm even 3 months after nonsurgical
periodontal therapy have been completed. Deproteinized bovine bone particles(BBP , Oscotec, Seoul) was grafted in
intrabony defects to encourage bone regeneration. Patients were instructed of mouthrinses with chlorohexidine-digluconate twice a day and to take antibiotics 2-3 times a day for 2 weeks. They were check-up regularly for oral hygiene performance and further development of disease. Probing depth, level of attachment and mobility were measured at baseline and 6 months after the surgery. The radiographic evidence of bone regenerations were also monitored at least for 6 months.
Conclusion : In most cases, radio-opacities increased after 6 months. 2- and 3-wall defects showed greater improvements in pocket depth reduction when compared to 1-wall defects. ClassⅠ& Ⅱ furcation involvements in mandibular molars demonstrated the similar results with acceptable pocket depth both horizontally and vertically comparable to other intrabony defects. Exact amount of bone gain could not be measured as the re-entry procedure has not been available. With in the limited data based on our clinical parameter to measure pocket depth reduction following BBP grafts, it was comparable to the results observed following other regeneration techniques such as GTR. (J Korean Acad Periodontol 2008;38:97-102)
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KEYWORD
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Periodontal intrabony defect, bone graft, bovine-bone material
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