Periodontology SUTURING TECHNIQUES May 24, 2021 Dr.MehnazLeave a comment The needle penetrates the outer surface of the first flap (A) and the outer surface of the opposite flap (B). The suture is brought back to the first flap (C), and the knot is tied (D). Share this:Tweet Share on Telegram (Opens in new window) Telegram Share on WhatsApp (Opens in new window) WhatsApp Email a link to a friend (Opens in new window) Email Like Loading... Related