Randomized trial reveals free gingival grafts yield greater mucosa width than collagen matrix around dental implants, indicating matrices reduce operative time.
FGG could result in greater increase of KMW than XCM, though both could increase KMW, maintain peri-implant health, and attain comparable aesthetic outcomes. The use of XCM was associated with reduced operation time.
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Huang et al. (2021) studied this question.
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