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Journal of Oral Science & Rehabilitation No. 1, 2018

F l a p d e t a c h m e n t a n d r e t r a c t i o n i n p e r i a p i c a l s u r g e r y B D B D E Figs. 3A & B A Figs. 3C & D C Figs. 4A & B A Figs. 4C–E C Fig. 3A Fig. 3C Fig. 4A Fig. 4C Well-defined sulcular incision. Fig. 3B The incision is revised with the dissector, placing it at the angle formed by the horizontal and vertical incisions. Insertion of the periosteotome, with its concave surface facing the bone horizontally, and checking detachment of the papillae. Identification of a fibrous tract during flap detachment with submarginal incision. Full apical retraction of the flap after dissection of the fistular and/or fibrous tract. Fig. 4B Fig. 4D Fig. 3D Full apical retraction of the flap without tearing of the papillae. With the flap kept tense, the scalpel blade is then positioned parallel to the bone surface, taking care not to perforate the mucosa. Intraoral photograph of perfect soft-tissue healing. Fig. 4E Intraoral radiograph showing the final aspect of retrograde filling. Journal of Oral Science & Rehabilitation Volume 4 | Issue 1/2018 27

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