Serum levels of vitamin D and periodontal inflammation in community-dwelling older Japanese adults: The Otassha Study.
Masanori IwasakiKeiko MotokawaMaki ShirobeMisato HayakawaYuki OharaYoshiko MotohashiAyako EdahiroHisashi KawaiYoshinori FujiwaraYasuyuki SakataKazushige IharaYutaka WatanabeShuichi ObuchiHirohiko HiranoPublished in: Journal of clinical periodontology (2023)
Low vitamin D status had an L-shaped association with periodontal inflammation in this cohort of Japanese adults.