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Comparative evaluation of effect of injectable platelet-rich fibrin with collagen membrane compared with collagen membrane alone for gingival recession coverage

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World Journal of Experimental Medicine 2022年第4期12卷 68-91页

作者： Laxmikanta Patra Subash Chandra Raj Neelima Katti Devapratim Mohanty Shib Shankar Pradhan Shaheda Tabassum Asit Kumar Mishra Kaushik Patnaik Annuroopa Mahapatra Department of Periodontics SCB Dental College and HospitalOdisha 753007India

BACKGROUND Collagen membrane and platelet-rich fibrin(PRF)have emerged as vital biomaterials in the field of periodontal *** invasive techniques are being preferred by most periodontists,as it is patient compliant with fewer post-surgical complications as compared to conventional surgical ***,in this study we have evaluated the effect of injectable PRF(i-PRF)with collagen membrane compared with collagen membrane alone using vestibular incision subperiosteal tunnel access(VISTA)technique for gingival recession *** To compare the efficacy of VISTA using collagen membrane with collagen membrane soaked in injectable PRF for gingival recession *** A split mouth randomized controlled clinical trial was designed;13 subjects having at least 2 teeth indicated for recession coverage were enrolled in this *** sites were randomly assigned to control group(VISTA using collagen membrane alone)and the test group(VISTA using collagen membrane with i-PRF).The clinical parameters assessed were pocket depth,recession depth(RD),recession width(RW),relative attachment level,keratinised tissue width(KTW),keratinised tissue thickness(KTT),and percentage root *** RD showed a statistically significant difference between the test group at 3 mo(0.5±0.513)and 6 mo(0.9±0.641)and the control group at 3 mo(0.95±0.51)and 6 mo(1.5±0.571),with P values of 0.008 and 0.04,*** also showed a statistically significant difference between the test group at 3 mo(1±1.026)and 6 mo(1.65±1.04)and the control group at 3 mo(1.85±0.875)and 6 mo(2.25±0.759),with P values of 0.008 and 0.001,*** for KTW showed statistically significant results between the test group at 1 mo(2.85±0.489),3 mo(3.5±0.513),and 6 mo(3.4±0.598)and the control group at 1 mo(2.45±0.605),3 mo(2.9±0.447),and 6 mo(2.75±0.444),with P values of 0.04,0.004,and 0.003,*** for KTT also showed statistically significant results between t

关键词： Vestibular incision subperiosteal tunnel access injectable platelet-rich fibrin Collagen membrane Gingival recessions Treatment

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Utilizing 3D bioprinted platelet-rich fibrin-based materials to promote the regeneration of oral soft tissue

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Regenerative Biomaterials 2022年第1期9卷 234-246页

作者： Ke Yi Qing Li Xiaodong Lian Yapei Wang Zhihui Tang Second Clinical Division Peking University School and Hospital of StomatologyBeijing 100101China National Engineering Research Center of Oral Biomaterials and Digital Medical Devices Beijing 100081China Center of Digital Dentistry Peking University School and Hospital of StomatologyBeijing 100081China Department of Chemistry Renmin University of ChinaBeijing 100872China

Oral soft tissue defects remain difficult to treat owing to the limited efficacy of available treatment *** the injectable platelet-rich fibrin(i-PRF)is a safe,autologous source of high levels of growth factors that is often employed to promote the regeneration of oral soft tissue,its effectiveness is restrained by difficulties in intraoperative shaping together with the burst-like release of growth *** herein sought to develop a bioactive bioink composed of i-PRF,alginate and gelatin capable of promoting the regeneration of the oral soft *** bioink was successfully applied in 3D bioprinting and exhibited its ability to be shaped to individual patient ***,we were also able to significantly prolong the duration of multiple growth factors release as compared to that observed for *** growth factor bioavailability was further confirmed by the enhanced proliferation and viability of printed gingival *** deployed in vivo in nude mice,this bioink was further confirmed to be biocompatible and to drive enhanced angiogenic ***,these data thus confirmthe successful production of an i-PRF-containing bioink,which is suitable for the individualized promotion of the regeneration of oral soft tissue.

关键词： injectable platelet-rich fibrin 3D bioprinting oral soft tissue engineering regenerative medicine

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