Management of a Rare 4-Rooted Maxillary First Molar With 5 Canals and an Endo-Periodontal Lesion: A Case Report.

Researchers treated a rare four-rooted maxillary first molar with five canals and combined endo-periodontal disease using nonsurgical root canal therapy and periodontal treatment, achieving clinical and radiological improvement at eight-month follow-up.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.