PMC5502497_01
Periapical X-ray with gutta-percha through the sinus
AMS-7-117-g001.jpg
PMC5502497_01_AMS-7-117-g001.jpg
F1
A waters' view radiography was taken and another periapical X-ray, with a cone of gutta-percha inserted gently in the extraction site, was also taken to confirm the diagnosis [Figure 1].
Separating the platelet-rich fibrin
AMS-7-117-g002.jpg
PMC5502497_01_AMS-7-117-g002.jpg
F2
The fibrin clot was separated easily and one-third was cut off and inserted gently into the extraction socket [Figure 2].
Forming platelet-rich fibrin membrane
AMS-7-117-g003.jpg
PMC5502497_01_AMS-7-117-g003.jpg
F3
The remaining two-third of the clot was pressed gently with sterile dry gauze to drive out the fluids and forming the membrane [Figure 3].
Suturing of the platelet-rich fibrin membrane
AMS-7-117-g004.jpg
PMC5502497_01_AMS-7-117-g004.jpg
F4
The extraction site was covered with the membrane which was sutured to the gingival margins with two suture knots using 4/0 silk nonresorbable sutures [Figure 4].
Eight weeks after oroantral communication closure
AMS-7-117-g005.jpg
PMC5502497_01_AMS-7-117-g005.jpg
F5
There was no inflammatory reaction, signs, or symptoms of maxillary sinusitis, and the healing process was obviously clear [Figure 5].