Evaluation of a porcine collagen matrix used to augment keratinized tissue and increase soft tissue thickness around existing dental implants

The International Journal of Periodontics & Restorative Dentistry
Rachel A SchallhornMichael G Newman

Abstract

Implant-supported prostheses often present with mucogingival deficiencies that may cause esthetic or hygienic issues. These issues may present as limited or no keratinized tissue, irregular soft tissue contour or concavity, and gray "showthrough" of the implant abutment and root forms. An interpositional soft tissue graft substitute that generates keratinized tissue and increases soft tissue thickness would be beneficial, as it would reduce donor site morbidity and be available in unlimited, off-the-shelf supply. Thirty patients were assessed as part of a multicenter, practice-based evaluation of the material. A xenogeneic collagen matrix was placed as an interpositional graft on the buccal aspect of implant sites; sites were reassessed at 6 months posttreatment. Results indicated that the collagen matrix increased tissue thickness and keratinized tissue around existing dental implants.

Citations

Dec 22, 2016·Periodontology 2000·Anton SculeanRaluca Cosgarea
Feb 24, 2018·Periodontology 2000·Claudio MazzottiGiovanni Zucchelli
Mar 22, 2019·Acta Odontologica Scandinavica·Vittorio MoraschiniMonica Diuana Calasans-Maia
Nov 23, 2016·Clinical Oral Investigations·Renzo G BassettiAnton Sculean
Mar 25, 2020·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Monika PuzioMarzena Dominiak
Oct 14, 2021·Clinical Oral Implants Research·Martina StefaniniGiovanni Zucchelli

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