Publications by authors named "Tetsunari Hongo"

Background: Bone perforation may induce bone marrow cell migration into a collagen sponge onlay implant. This study investigated the efficacy of bone perforation and collagen sponge onlay placement with regard to new bone formation.

Methods: One hundred sixty femurs of 80 Wistar male rats were used in four groups: bone perforation and sponge (PS) group: after perforating the femur, fibrillar and heat-denatured collagen (FC-HAC) sponges were placed on the femur; sponge (S) group: a FC-HAC sponge was placed directly on the femur without bone perforation; perforation (P) group: femur perforation without collagen sponge placement; and control (C) group: neither bone perforation nor sponge placement was used.

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Lifestyle and socioeconomic status have been associated with the disease status of diabetic patients. However, there have been few reports on the relationship between these factors and the periodontal condition of diabetics. We assessed the association between disease status and lifestyle of diabetic patients and clinical features of advanced periodontitis such as deep probing depths and severe alveolar bone loss.

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