Report summary

For University of Michigan–ann Arbor Department of Periodontics and Oral in 2015-2017, the graph shows 21 visible PIs and 23 internal PI collaborations. The main research signal is Medicine as the leading field (40% of slots across 18 PIs; 18 labels), Oncology as the leading subfield (13% of slots across 7 PIs; 7 labels), and Oral microbiology and periodontitis research as the leading topic (6% of slots across 4 PIs; 4 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The most prominent PIs by weighted works are Hom‐Lay Wang (14.9 weighted works; Dental Implant Techniques and Outcomes, Periodontal Regeneration and Treatments). The clearest collaboration lines are Rogério M. Castilho and Cristiane H. Squarize (17 shared works, weight 7.5). The strongest breakdown groups are group 1 with 10 PIs, 9 internal connections, weight 21.9, around Urology, Oral Surgery, Oncology, led by Hom‐Lay Wang, Marita R. Inglehart, Rogério M. Castilho.