case_images: PMC3663175_01
case_images: Avulsive wound over the lower lip
case_images: JCAS-6-35-g001.jpg
case_images: PMC3663175_01_JCAS-6-35-g001.jpg
case_images: F1
case_images: A 30-year-old man who suffered a motorcycle accident, reported to the Department of Oral and Maxillofacial Surgery, presenting with an avulsive wound, approximately 0.5 x 1 cm in size, on the lower lip in the midline region with a disruption of the vermilion border and a white roll [Figure 1].
case_images: Processing of platelet-rich fibrin
case_images: JCAS-6-35-g002.jpg
case_images: PMC3663175_01_JCAS-6-35-g002.jpg
case_images: F2
case_images: About 10 ml of venous blood was withdrawn to prepare PRF by Choukroun's protocol [Figure 2].
case_images: Platelet-rich fibrin membrane
case_images: JCAS-6-35-g003.jpg
case_images: PMC3663175_01_JCAS-6-35-g003.jpg
case_images: F3
case_images: The PRF membrane thus obtained was placed over the defect [Figure 3].
case_images: Two weeks follow up
case_images: JCAS-6-35-g004.jpg
case_images: PMC3663175_01_JCAS-6-35-g004.jpg
case_images: F4
case_images: A gradual decrease in the size of the wound and granulation tissue formation was observed in the subsequent visits [Figure 4].
case_images: Six weeks follow up
case_images: JCAS-6-35-g005.jpg
case_images: PMC3663175_01_JCAS-6-35-g005.jpg
case_images: F5
case_images: The defect in the vermilion border and the white roll was inconspicuous [Figure 5].