FBN1 and periodontitis: In the periodontitis group, when classified as stage I, II, III and IV according to the 2018 EFP/ AAP classification, serum asprosin levels are respectively; 47.48 ± 2.19, 57.27 ± 8.21, 82.30 ± 24.67, 124.18 ± 38.43 and saliva asprosin levels are respectively; 34.91±5.23, 46.01±3.23, 54.50±2.07, 64.41±14.27.