Report summary

University of Michigan–ann Arbor Department of Periodontics and Oral in 2018-2020 reads as a 18-PI network with 24 internal PI collaborations. The dominant subject mix is Medicine as the leading field (31% of slots across 12 PIs; 12 labels), Oral Surgery as the leading subfield (16% of slots across 7 PIs; 7 labels), and Dental Implant Techniques and Outcomes as the leading topic (13% of slots across 7 PIs; 7 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 14 PIs across distinct clusters. The leading PI names are Hom‐Lay Wang (51.3 weighted works; Dental Implant Techniques and Outcomes, Periodontal Regeneration and Treatments). The most visible ties are Rogério M. Castilho and Cristiane H. Squarize (17 shared works, weight 8); Hsun‐Liang Chan and Hom‐Lay Wang (15 shared works, weight 7.8). The leading breakdown groups are group 1 with 9 PIs, 11 internal connections, weight 37.6, around Oral Surgery, Periodontics, Orthodontics, led by Hom‐Lay Wang, William V. Giannobile, Junying Li.