Comparison of three methods for augmenting peri-implant buccal keratinized mucosa

doi:10.3969/j.issn.1006-7795.2023.02.020

Abstract

Abstract: Objective To explore and evaluate the clinical effects of three methods in augmenting keratinized tissue around dental implant, provide evidence for clinical application. Methods Totally 36 patients in need for augmenting the buccal keratinized mucosa around implants in Electric Power Teaching Hospital，Capital Medical University from June 2019 to June 2021, were randomly divided into three groups with 12 cases in each group. They were treated with allogeneic acellular dermal matrix (ADM), concentrated growth factors (CGFs), free gingival graft (FGG) to increase the buccal keratinized mucosa width. The pain degree was recorded by Visual Analogue Scale (VAS) one week after surgery. The keratinized tissue width (KTW) of the three groups were measured 6 months after surgery and the aesthetic satisfaction was recorded by VAS. Results Six months after surgery, the KTW was (3.72 ± 1.18) mm in ADM group, (2.92 ± 0.72) mm in CGFs group and (4.65 ± 0.91) mm in FGG group, which were significantly increased compared with the preoperative. There were significant differences in keratinized mucosa gain(ΔKTW) among ADM group ［(2.75 ± 0.96) mm］, CGFs group ［(1.84 ± 0.65) mm］ and FGG group ［(3.49 ± 0.79) mm］ (P<0.05); The VAS score of postoperative pain in FGG group (3.50 ± 1.17) was significantly higher than that in ADM group (2.25 ± 1.06) and CGFs group (2.00 ± 0.95), with significant difference between three groups (P<0.05). The VAS score of aesthetic satisfaction 6－months postoperatively in ADM group (8.67 ± 0.89) and CGFs group (8.17 ± 0.94) were significantly higher than that in FGG group (6.00 ± 1.28), with significant difference between three groups (P<0.05). Conclusion ADM, CGFs and FGG can effectively increase the KTW around implants, however have different characteristics. Clinically, they can be selected reasonably according to the situation of patients and the conditions of medical institutions.

Key words: implant, allogeneic acellular dermal matrix, concentrated growth factors, free gingival graft, augmenting keratinized tissue

CLC Number:

R783

Lin Shichen, Liu Hang, Wu Xue, Li Xin, Ji Yiming, Duan Shaoyu. Comparison of three methods for augmenting peri-implant buccal keratinized mucosa[J]. Journal of Capital Medical University, 2023, 44(2): 316-321.

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URL: https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/10.3969/j.issn.1006-7795.2023.02.020

https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/Y2023/V44/I2/316

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