This creation is to brush between a kind of related tooth of bent angle of what, particularly relates to brush between a kind of tooth that can bend cervical part of esophagus, and can multi-angle use brush head, to reach comprehensive cleaning tooth. It is mainly to be made of lever, cervical part of esophagus, brush head and casing, which is elongated rod shape, holds and uses for user, and lever is upwardly formed a positioning region, and system extends into cervical part of esophagus above positioning region, characteristic is spiral annular groove, and cervical part of esophagus is made to have bending flexible, and neck end can be bent, it is set to keep a bending angle, will not rebound staight shank shape, and the casing can accommodate brush head, it can more cover at lever Hou end to extend lever length, the operation that makes to clean one's teeth is very simple and smooth.本創作係有關於一種可彎折角度之牙間刷，特別是指一種能彎折頸段之牙間刷，而能多角度使用刷頭，以達到全方位的清潔牙齒。其主要係由握柄、頸段、刷頭及套管所組成，該握柄為長桿狀，供使用者握持使用，且握柄向上形成一定位部，而定位部上方係延伸成頸段，其特徵為螺旋式環槽，使頸段產生有彎折撓性，並可將頸端彎折，使其保持一彎折角度，不會彈回直柄狀，且該套管能容置刷頭，更可套在握柄後端以延伸握柄長度，使潔牙作業非常簡易且順暢。
