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RADIOGRAPHIC EVALUATION OF THE IMPACT OF PRF MEMBRANE LAYERING ON PERI-IMPLANT TISSUE: RANDOMIZED CONTROLLED CLINICAL
A Kurukchi1, A Al-Radha1, A Mahmood1
1Department of Oral Surgery and Periodontology, College of Dentistry, Mustansiriyah University, Baghdad, Iraq.
Background:
An enduring soft tissue barrier with adequate keratinized mucosa and crestal bone height is critical to the functional lifespan of the implant. This study aims to investigate the impact of PRF membrane layers on the peri-implant tissue phenotype.
Methods:
This prospective clinical trial evaluated the effects of single versus multiple layers of platelet-rich fibrin membranes on peri-implant soft tissue healing compared to a control group. Fifteen participants per group (n=45) were sequentially assigned to one of three groups: single PRF membrane group, multiple PRF membrane group, and control group. The outcomes included the estimation of radiographic soft tissue thickness (RSTT) and bone height (BH) using standardized bitewing radiographs before the procedure, immediately after it, at 6 and 12 weeks postoperatively. The data was analyzed using one way ANOVA analysis, significance level was set at 0.05.
Results:
Both the single PRF and multiple PRF groups had an increase in soft tissue thickness radiographically at the postoperative, six-week, and twelve-week intervals when compared to the control group. The multiple PRF group demonstrated the best retention of vertical bone levels in comparison to the control group.
Conclusion:
PRF application, particularly with multiple layers, significantly enhanced bone height preservation and crestal tissue thickness.
