PMC3663175_01
Avulsive wound over the lower lip
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F1
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].
Processing of platelet-rich fibrin
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F2
About 10 ml of venous blood was withdrawn to prepare PRF by Choukroun's protocol [Figure 2].
Platelet-rich fibrin membrane
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F3
The PRF membrane thus obtained was placed over the defect [Figure 3].
Two weeks follow up
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F4
A gradual decrease in the size of the wound and granulation tissue formation was observed in the subsequent visits [Figure 4].
Six weeks follow up
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F5
The defect in the vermilion border and the white roll was inconspicuous [Figure 5].