This invention provides a dental floss holder having a body comprising a holding part provided with at least one notch indented inwardly toward the inner edge to form a neck portion configured to hold a dental floss. The body is provided with at least one dental floss slot for engaging the dental floss, such that the user can extend the dental floss tied to the body deeply into the oral cavity in conjunction with the dental floss with the other side held by the finger or fixed on the other dental floss holder, so as to easily insert the dental floss into the tooth slit in the oral cavity to clean the teeth.本發明係提供一種牙線固持器,係具有一本體,該本體包含有一固持部,該固持部設有至少一朝內緣凹置之缺口,以構成一頸部,該頸部供一牙線固持,且該本體設有至少一牙線槽,該牙線槽供牙線卡掣;以供使用者利用該本體綁置之牙線深入口腔內,再配合另一側被手指握持住的牙線(或牙線固定於另一牙線固持器),便於簡易地伸入口腔內層之齒縫內清潔牙齒。10‧‧‧牙線固持器101‧‧‧牙線槽12‧‧‧本體121‧‧‧固持部1211‧‧‧頸部1212‧‧‧缺口122‧‧‧牙線槽123‧‧‧牙線槽126‧‧‧牙線槽
