INBDE (Integrated National Board Dental Examination) Practice Exam

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What type of graft is described as a widened band of keratinized gingiva (KG)?

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

The correct answer is: Free gingival graft

A free gingival graft is the correct answer because it involves the transfer of tissue from the roof of the mouth to an area of insufficient keratinized gingiva in the recipient site. This type of graft is specifically used to increase the width of keratinized gingiva which helps in managing gingival recession, improving aesthetics, and providing a protective barrier for the underlying tissues. In contrast, a connective tissue graft involves the transfer of connective tissue along with overlying epithelium, a pedicle graft involves moving neighboring tissue to cover the defect, and an acellular dermal matrix graft uses processed tissue matrix without cells to promote tissue regeneration.