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(a) Reduction in PPD at 3 months in fucoidan-chitosan group; (b) reduction in PPD at 6 months in fucoidan-chitosan group; (c) RVG image of intra-bony defect at baseline in fucoidan-chitosan group; (d) RVG image of improvement in intra-bony defect at 9 months in fucoidan-chitosan group; (e) RVG image of intra-bony defect at baseline in CGF group; (f) RVG image of intra-bony defect at 9 months in CGF group.
