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							Letter from the Editor
							Mark R. Patters, DDS, Ph.D.
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							A Chronological Classification of Periodontal Disease: A Review 
							Stephen B. Weinmann and Philip R. Geron
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							Chronic Periodontitis with Multiple Risk Factor Syndrome: A Case Report
							Masayuki Shimoe, Tadashi Yamamoto, Yoshihiro Iwamoto, Nobuyuki Shiomi, Hiroshi Maeda, Fusanori Nishimura and Shogo Takashiba
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							Guided Tissue Regeneration: A Decision-Making Model
							Jill Bashutski, Tae-Ju Oh, Hsun-Liang Chan and Hom-Lay Wang
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							Diode Laser Activated Indocyanine Green Selectively Kills Bacteria
							Tobias K. Boehm and Sebastian G. Ciancio
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