article_metadata: Gabriel Magnucki
article_metadata: 10.1155/2019/5348048
article_metadata: Case Rep Dent
article_metadata: 2019 May 21;2019:5348048.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/31263606/
article_metadata: Case Reports
article_metadata: PMC6556251
article_metadata: 31263606
article_metadata: Endodontic Retreatment of Maxillary Second Molar with Four Roots
article_metadata: 2019