Aesthetic effect evaluation of the xenogeneic collagen matrix in keratinized mucosa augmentation around den-tal implants
10.12016/j.issn.2096-1456.2024.02.004
- VernacularTitle:异种胶原基质在种植体周角化黏膜增宽中的美学效果评价
- Author:
Yan YANG
1
;
Jia ZHANG
;
Xuechun MA
;
Andong CAI
;
Wenjuan ZHOU
;
Zhonghao LIU
Author Information
1. 滨州医学院附属烟台口腔医院口腔种植科,数字化口腔医学技术烟台市工程研究中心,山东烟台(264000)
- Keywords:
dental implantation;
keratinized mucosa;
keratinized mucosa width;
keratinized mucosa augmenta-tion around dental implants;
free gingival graft;
xenogeneic collagen matrix;
shrinkage rate of keratinized mucosa;
mucosal scarring index;
aesthetic effect
- From:
Journal of Prevention and Treatment for Stomatological Diseases
2024;32(2):108-115
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the stability and aesthetic effect of a xenogeneic collagen matrix(mucograft)on achieving an adequate keratinized mucosa width(KMW)around implants and to provide a reference basis for the clini-cal application of xenogeneic collagen matrix materials.Methods The hospital ethics committee approved the study protocol,and the patients provided informed consent.Twenty patients with a KMW＜2 mm at the buccal implant site who were treated in Binzhou Medical University Affiliated Yantai Stomatological Hospital from July 2020 to September 2022 were included,and a total of 36 implants were included.The mean age of the patients was(52.0±10.4)years,of which 18 were females and 2 were males.They were divided into a free gingival graft group(FGG,control group)and a xenogeneic collagen matrix group(test group)according to different graft materials.The incremental effect of the KMW on the buccal side of the implant and the mucosal shrinkage rate was measured at 1 month and 3 months after the opera-tion.The mucosal scar index(MSI)was evaluated after the operation.Results At 3 months postoperatively,the KMW was(3.67±1.06)mm in the control group and(2.96±0.98)mm in the test group,and the difference was statistically significant(t=2.076,P＜0.05).The KMW shrinkage rate was(33.34±16.30)％in the test group and(22.05± 15.47)％in the control group at 1 month postoperatively and(51.95±12.60)％in the test group and(37.44±16.30)％in the control group at 3 months postoperatively,with statistically significant differences between the two groups at the same time points(P＜0.05).Three months after surgery,the test group showed significantly better outcomes than the control group in terms of the five scar indicators(scar width,scar convexity,scar color,scar trace,and overall appear-ance),and the difference was statistically significant(P＜0.05).Conclusion Xenogeneic collagen matrix can increase the peri-implant KMW and achieve a more natural and coordinated soft tissue aesthetic effect but with a higher shrink-age rate.
