CXCL10 and periodontitis: These results are in line with studies showing increased CCL5 in gingival cervical fluid in gingivitis and periodontitis patients (Gamonal et al., 2000; Gurkan et al., 2016), and another study showing the ability of caries-related bacteria to induce CXCL10 expression in dental pulp (Adachi et al., 2007).