02 September 2026
: Case report 
Management of a Rare 4-Rooted Maxillary First Molar With 5 Canals and an Endo-Periodontal Lesion: A Case Report
Unusual or unexpected effect of treatment
Yifan Wang ACDEF 1, Hong Jiang ABF 2, Yanhong Hao AB 2, Zhen Fang BC 3, Shige Liu B 2, Jie Pan ACD 4, Huan Jing ABCDG 2*DOI: 10.12659/AJCR.953554
Am J Case Rep 2026; 27:e953554
Figure 2 The CBCT imaging of the right maxillary first molar before treatment (A–C: images of the apical third of the root, D–F: images of the middle third of the root, G–I: images of the cervical third of the root).