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Maxillofacial Plastic and Reconstructive Surgery
Fig. 2 | Maxillofacial Plastic and Reconstructive Surgery

Fig. 2

From: Spontaneous bone regeneration after surgical extraction of a horizontally impacted mandibular third molar: a retrospective panoramic radiograph analysis

Fig. 2

Panoramic radiograph screening using imageJ® software. a The process of setting the distance per pixel unit using the scale tool in the ImageJ® software and the ruler in the panoramic image. b The process of measuring the desired linear distance in the region of interest (ROI) using the set scale value. c Reference points and radiographic variables: (1) CEJ; (2) root apex of the distal root (RA); (3) Uppermost intersecting point between distal root of M2 and mesial wall of extraction socket; RBH, Radiographic bone height (yellow line); distance between CEJ and RA (green line); RID, Radiographic infrabony defect (red line)

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