Clinical comparison of a xenogeneic collagen matrix versus subepithelial autogenous connective tissue graft for augmentation of soft tissue around implants

Dental implant placement is a predictable therapy for replacing teeth. Nevertheless, mechanical, biological, and aesthetic complications frequently occur. The aim of this study was to compare the clinical outcomes of a xenogeneic collagen matrix (XCM) used at the time of implant placement as an alte...

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Veröffentlicht in:International journal of oral and maxillofacial surgery 2021-07, Vol.50 (7), p.956-963
Hauptverfasser: De Angelis, P., De Angelis, S., Passarelli, P.C., Liguori, M.G., Pompa, G., Papi, P., Manicone, P.F., D’Addona, A.
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container_end_page 963
container_issue 7
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container_title International journal of oral and maxillofacial surgery
container_volume 50
creator De Angelis, P.
De Angelis, S.
Passarelli, P.C.
Liguori, M.G.
Pompa, G.
Papi, P.
Manicone, P.F.
D’Addona, A.
description Dental implant placement is a predictable therapy for replacing teeth. Nevertheless, mechanical, biological, and aesthetic complications frequently occur. The aim of this study was to compare the clinical outcomes of a xenogeneic collagen matrix (XCM) used at the time of implant placement as an alternative to a subepithelial connective tissue graft (SCTG), for soft tissue augmentation. This was a prospective clinical trial with 12 months of follow-up. In the control group, soft tissue augmentation at the time of implant placement was performed with a SCTG, while in the test group, a XCM was employed. At 12 months postoperative, all xenografts showed no postoperative complications. In both groups, a significantly greater thickness was observed on the buccal and occlusal sides from preoperative to 3 months postoperative (P
doi_str_mv 10.1016/j.ijom.2020.11.014
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Nevertheless, mechanical, biological, and aesthetic complications frequently occur. The aim of this study was to compare the clinical outcomes of a xenogeneic collagen matrix (XCM) used at the time of implant placement as an alternative to a subepithelial connective tissue graft (SCTG), for soft tissue augmentation. This was a prospective clinical trial with 12 months of follow-up. In the control group, soft tissue augmentation at the time of implant placement was performed with a SCTG, while in the test group, a XCM was employed. At 12 months postoperative, all xenografts showed no postoperative complications. In both groups, a significantly greater thickness was observed on the buccal and occlusal sides from preoperative to 3 months postoperative (P&lt;0.05). No statistically significant difference in pink aesthetic score (P=0.379, 6 months postoperative) or marginal bone loss (P=0.449 at 3 months postoperative, P=0.778 at 6 months postoperative) was observed between the groups. Statistically significant differences in pain perceived by the patients (P&lt;0.0001) and the time to complete the surgical procedure (P=0.0008) were detected. At 12 months after surgery, XCM provided similar clinical results in terms of soft tissue augmentation on the buccal and occlusal sides as compared with the SCTG.</description><identifier>ISSN: 0901-5027</identifier><identifier>EISSN: 1399-0020</identifier><identifier>DOI: 10.1016/j.ijom.2020.11.014</identifier><identifier>PMID: 33279377</identifier><language>eng</language><publisher>Denmark: Elsevier Inc</publisher><subject>biocompatible materials ; Collagen ; Connective Tissue ; dental implant ; Dental Implants ; Esthetics, Dental ; Humans ; oral surgical procedure ; periodontics ; Prospective Studies</subject><ispartof>International journal of oral and maxillofacial surgery, 2021-07, Vol.50 (7), p.956-963</ispartof><rights>2020 International Association of Oral and Maxillofacial Surgeons</rights><rights>Copyright © 2020 International Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. 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Nevertheless, mechanical, biological, and aesthetic complications frequently occur. The aim of this study was to compare the clinical outcomes of a xenogeneic collagen matrix (XCM) used at the time of implant placement as an alternative to a subepithelial connective tissue graft (SCTG), for soft tissue augmentation. This was a prospective clinical trial with 12 months of follow-up. In the control group, soft tissue augmentation at the time of implant placement was performed with a SCTG, while in the test group, a XCM was employed. At 12 months postoperative, all xenografts showed no postoperative complications. In both groups, a significantly greater thickness was observed on the buccal and occlusal sides from preoperative to 3 months postoperative (P&lt;0.05). No statistically significant difference in pink aesthetic score (P=0.379, 6 months postoperative) or marginal bone loss (P=0.449 at 3 months postoperative, P=0.778 at 6 months postoperative) was observed between the groups. Statistically significant differences in pain perceived by the patients (P&lt;0.0001) and the time to complete the surgical procedure (P=0.0008) were detected. 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Nevertheless, mechanical, biological, and aesthetic complications frequently occur. The aim of this study was to compare the clinical outcomes of a xenogeneic collagen matrix (XCM) used at the time of implant placement as an alternative to a subepithelial connective tissue graft (SCTG), for soft tissue augmentation. This was a prospective clinical trial with 12 months of follow-up. In the control group, soft tissue augmentation at the time of implant placement was performed with a SCTG, while in the test group, a XCM was employed. At 12 months postoperative, all xenografts showed no postoperative complications. In both groups, a significantly greater thickness was observed on the buccal and occlusal sides from preoperative to 3 months postoperative (P&lt;0.05). No statistically significant difference in pink aesthetic score (P=0.379, 6 months postoperative) or marginal bone loss (P=0.449 at 3 months postoperative, P=0.778 at 6 months postoperative) was observed between the groups. 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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects biocompatible materials
Collagen
Connective Tissue
dental implant
Dental Implants
Esthetics, Dental
Humans
oral surgical procedure
periodontics
Prospective Studies
title Clinical comparison of a xenogeneic collagen matrix versus subepithelial autogenous connective tissue graft for augmentation of soft tissue around implants
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