The efficacy of a porcine collagen matrix in keratinized mucosa width augmentation: a 10-year follow-up clinical prospective study

International Journal of Implant Dentistry

Research

Carlo Maiorana¹  Mario Beretta¹  Mattia Manfredini¹  Pier Paolo Poli¹  Pierluigi Guerrieri¹ 

[1] Implant Center for Edentulism and Jawbone Atrophies, Maxillo-Facial Surgery and Dental Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122, Milan, Italy;Department of Biomedical, Surgical and Dental Sciences, University of Milan, Via Della Commenda 10, 20122, Milan, Italy;

关键词: Collagen matrix;    Soft tissue augmentation;    Keratinized mucosa;    Peri-implant mucosa;    Peri-implant soft tissue;    Clinical prospective study;   

DOI  :  10.1186/s40729-023-00475-1

 received in 2022-12-07, accepted in 2023-03-28,  发布年份 2023

来源: Springer

【 摘 要 】

PurposeThe aim of the present study was to evaluate the long-term effectiveness of a xenogeneic collagen matrix (CM) in pre-prosthetic augmentation of the keratinized mucosa width (KMW) at implant sites.MethodsAll of the patients with localized implant-supported rehabilitation previously treated with vestibuloplasty and KMW augmentation with a non-cross-linked porcine CM were recalled. KMW was measured clinically in an apico-coronal direction from the mucogingival junction to the mucosal margin at the prosthetic zenith of each crown. Measurements were performed clinically by means of a PCP-UNC15 periodontal probe and rounded to the nearest mm. KMW values recorded at 1 year, 5 and 10 years from the soft tissue augmentation procedure were compared using a one-way repeated-measures ANOVA with Bonferroni multiple comparison post-hoc analysis. The level of significance was set at 0.05.ResultsMeasurements were conducted on 13 patients. All implants were in function with no signs of biological complications. All except one implant site showed KMW ≥ 2 mm. KMW decreased significantly from 1 year (3.33 ± 1.11 mm) to 5 years (2.77 ± 0.92 mm) (p = 0.001), and finally remained stable from 5 to 10 years (3.2 ± 0.99 mm) (p = 0.607). From a visual aspect, peri-implant soft tissues were characterized by a good texture and color blending compared to the adjacent teeth, highlighting good integration of the remodeled tissues and stability of the esthetic result.ConclusionsThe use of a CM in pre-prosthetic soft tissue augmentation at implant sites has proven to be effective in obtaining and maintaining at least 2 mm of KMW around dental implants over a follow-up of 10 years.

【 授权许可】

CC BY   
© Deutsche Gesellschaft für Implantologie im Zahn‐, Mund‐ und Kieferbereich e.V., Japanese Society of Oral Implantology 2023

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