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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 C E F Figs. 2A–C Figs. 2D–F Figs. 2G & H H A D G Fig. 2A Fig. 2C Fig. 2E Fig. 2G Radiograph of an apical lesion involving a maxillary left central incisor, lateral incisor and canine. Extensive bone defect with cortical bone plate perforation. The incision is revised with the dissector, placing it between the horizontal and vertical incisions. Flap displaced to visualize the bone overlying the periapical lesion. Fig. 2B Tomographic scan showing the bone defect in the left anterior maxillary region. Fig. 2D Submarginal or full-thickness incision. Fig. 2F Fig. 2H Detachment of the flap with the periosteotome, with its concave surface facing the bone. Intraoral radiograph after surgery. Perfect retrograde filling of the cavity can be observed. 26 Volume 4 | Issue 1/2018 Journal of Oral Science & Rehabilitation

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