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Fig. 1 | BMC Oral Health

Fig. 1

From: The association of endodontic prognostic factors with the presence of periapical lesion, its volume, and bone characteristics in endodontically treated molars: a cross-sectional study

Fig. 1

(a, c, e, g, and i): Coronal view of the teeth, (b, d, f, h, and j): Sagittal view of the teeth. (a, b): Upper left first molar with missed MB2 canal, PL, and a PFM crown; (c, d): Upper left first molar with a underfilled palatal canal; (e, f): Upper right first molar with a screw in the palatal canal, PL, and composite restoration; (g, h): Lower right first molar with separated instrument in the distal canal and PL; (i, j); Lower left first molar with furcal lesion (excluded from the study)

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