In vitro investigation of the effect of laser on platelet-rich fibrins
Abstract
Objectives: This in vitro study aimed to evaluate the effect of laser photobiomodulation on the structural integrity and degradation resistance of two types of platelet-rich fibrin membranes: Leukocyte- and Platelet-Rich Fibrin (L-PRF) and Titanium-Prepared Platelet-Rich Fibrin (T-PRF). Structural changes in the fibrin network were assessed using Scanning Electron Microscopy (SEM) and light microscopy.
Materials and methods: Our study was performed on 15 systemically healthy individuals and four L-PRF and four T-PRF membranes obtained from each individual, totaling 120 samples. L-PRF was prepared first using standard vacuum glass tubes. Two weeks later, new blood samples were collected from the same individuals, and T-PRF membranes were prepared using sterile titanium tubes to enhance biocompatibility. Both membrane types were obtained by centrifugation at 2700 revolutions per minute (rpm) for 12 min. Two of the four membranes were treated with a diode laser device at a wavelength of 980 nanometers (nm) and a power of 0.5 W (W) in continuous mode for 3 min at a distance of 1-2 milimeters (mm). The other two membranes were not lasered. One of the laser treated L-PRF and T-PRF membranes was cut in half and stored under appropriate conditions for histological examination and SEM analysis. The other membrane was separated for degradation. The same procedures were performed for L-PRF and T-PRF membranes without laser treatment.
Result: Laser-treated L-PRF and T-PRF membranes…
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