• Medicina · Dec 2022

    Case Reports

    Use of a Lateral Sinus Bony Window as an Intraoral Donor Site for Guided Bone Regeneration in Wide Post-Extraction Defects.

    • Won-Bae Park, Philip Kang, Wonhee Park, and Ji-Young Han.
    • Department of Periodontology, School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea.
    • Medicina (Kaunas). 2022 Dec 4; 58 (12).

    AbstractMaxillary sinus augmentation (MSA) and guided bone regeneration (GBR) have shown successful clinical, radiological, and histological outcomes for implant-related bone reconstruction and have been used to augment bony defects of various shapes and sizes. This study demonstrated that the lateral sinus bony window obtained during MSA can be used as an autogenous block bone graft for the augmentation of wide post-extraction defects. During the uncovering procedure performed 6 months after surgery, the grafted lateral bony window was well integrated with the adjacent native bone, and complete bone filling was observed in all bony defects around the implants. All of the implants survived. Within the limitations of this study, autogenous block bone obtained from lateral window sites can be used as novel donors for the resolution of wide bony defects around implants.

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