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International Journal of Implant Dentistry
Fig. 1 | International Journal of Implant Dentistry

Fig. 1

From: Three-dimensional changes of a porcine collagen matrix and free gingival grafts for soft tissue augmentation to increase the width of keratinized tissue around dental implants: a randomized controlled clinical study

Fig. 1

Surgical procedure in the FGG group: a preoperative intraoral view showing a lack of keratinized tissue at implants 45 and 46. b postoperative view depicting the fixation of FGG at the recipient site. c intraoral view of the surgical site after 6 months

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