INBDE (Integrated National Board Dental Examination) Practice Exam

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What kind of graft aims to widen the band of keratinized tissue?

Connective tissue graft
Pedicle graft
Free gingival graft
Apically positioned flap

The correct answer is: Free gingival graft

A free gingival graft aims to widen the band of keratinized tissue by directly adding keratinized tissue to the existing gingiva. This procedure is indicated when an increase in the width of keratinized tissue is required around teeth or dental implants to improve gingival health and long-term stability. Connective tissue graft, pedicle graft, and apically positioned flap are grafting techniques that are not specifically aimed at widening the band of keratinized tissue. Connective tissue grafts are commonly used for root coverage in areas of recession, pedicle grafts involve transferring adjacent soft tissue to cover denuded root surfaces, and apically positioned flaps are used to cover root surfaces and treat gingival recession but not specifically to widen the band of keratinized tissue like a free gingival graft.