INBDE (Integrated National Board Dental Examination) Practice Exam

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Which type of graft is primarily used for root coverage?

Free gingival graft
Connective tissue graft
Pedicle graft
Acellular dermal matrix graft

The correct answer is: Connective tissue graft

Both free gingival graft and pedicle graft involve using tissues from nearby areas to cover the exposed root surface. However, free gingival graft may not provide sufficient coverage as it does not contain connective tissue which is essential for proper blood supply and reattachment of the graft. Pedicle graft, on the other hand, involves only rotating soft tissues from adjacent areas and does not provide a thick and durable tissue layer which is important for root coverage. Acellular dermal matrix graft, while being a promising option, is still a relatively new technique and its long-term effectiveness is yet to be determined. Therefore, connective tissue graft remains the most reliable and commonly used graft for root coverage.