The first study found associations between periodontitis and three genes: C‐X‐C motif chemokine ligand 10 (CXCL10), myosin IIIB (MYO3B) and signalling lymphocytic activation molecule family member 1 (SLAMF1) (Liu, Wang, et al. 2024). Here, CXCL10 is linked to periodontitis.