PROBLEM TO BE SOLVED: To provide periodontal disease inhibitors and oral compositions that can be used in the prevention of intraoral diseases in the progression of aging and can be satisfied overall in terms of effectiveness, safety, feeling of use, and the like.SOLUTION: Provided is a periodontal disease inhibitor containing a pressed solution, extract or distillate of a plant belonging to Pinaceae Abies genus as an active ingredient, and an oral composition containing the above-mentioned compressed liquid, extract or distillate and an oral composition base.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】老齢化が進むなかで口腔内疾患の予防に利用することのできる、有効性、安全性、使用感等の面で総合的に満足できる歯周病菌抑制剤や、口腔用組成物を提供すること。【解決手段】マツ科モミ属に属する植物の圧搾液、抽出物または蒸留物を有効成分として含有する歯周病菌抑制剤及び上記圧搾液、抽出物または蒸留物と口腔組成物基剤とを含有する口腔用組成物。【選択図】 なし