Michels Roberta, Magrin Gabriel Leonardo, Cruz Acc, Magini R S, Benfatti Cesar Augusto Magalhães
Center for Education and Research on Dental Implants (CEPID), Post-Graduate Program in Dentistry (PPGO), Federal University of Santa Catarina (UFSC), Florianópolis, Brazil.
Case Rep Dent. 2023 Mar 22;2023:3929269. doi: 10.1155/2023/3929269. eCollection 2023.
This case report presents a novel approach for root coverage of multiple gingival recessions with a volume-stable collagen matrix functionalized with injectable platelet-rich fibrin (i-PRF). A patient with multiple gingival recessions in the anterior maxilla was submitted to root coverage by coronally advanced flap with split-full-split incisions. Blood collection was performed before surgery and i-PRF was obtained after centrifugation (relative centrifugal force (RCF) 400 g, 2700 rpm, 3 minutes). A volume-stable collagen matrix was soaked with i-PRF and applied as a substitute for autogenous connective tissue graft. A mean root coverage of 83% was observed after a 12-month follow-up period, and only slight modifications were detected in a 30-month follow-up consultation. The association of a volume-stable collagen matrix with i-PRF successfully treated multiple gingival recessions with reduced morbidity since a connective tissue collection was avoided.
本病例报告介绍了一种采用经可注射富血小板纤维蛋白（i-PRF）功能化的体积稳定胶原基质来覆盖多个牙龈退缩的新方法。一名上颌前部存在多个牙龈退缩的患者接受了采用全厚-分层-全厚切口的冠向推进瓣进行的牙根覆盖术。术前进行采血，离心后获得i-PRF（相对离心力（RCF）400g，2700转/分钟，3分钟）。将体积稳定的胶原基质用i-PRF浸泡，并用作自体结缔组织移植的替代物。在12个月的随访期后观察到平均牙根覆盖率为83%，在30个月的随访会诊中仅检测到轻微变化。由于避免了结缔组织采集，体积稳定的胶原基质与i-PRF联合使用成功治疗了多个牙龈退缩，且发病率降低。
