PROBLEM TO BE SOLVED: To provide a dental head rest effectively holding a cervical vertebra part of a patient to protect cervical vertebrae even in long-time treatment, naturally fitting a position of the head of the patient, and allowing the patient to safely have the treatment without imparting fatigue to the patient.SOLUTION: This head rest for a dental treatment chair includes: a frame member 10 supporting the head of the patient and a cushion member 20 disposed on the frame member 10. The cushion member 20 comprises: a lower cushion member 21 disposed in a state that the lower cushion member 21 is extended to the neck of the patient from the frame member 10 and an upper cushion member 22 disposed in an upper part of the lower cushion member 21, and disposed in a position wherein the cervical vertebra part of the patient is supported.COPYRIGHT: (C)2012,JPO&INPIT【課題】患者の頸椎部を効果的に保持可能とし、もって、長時間の診療においても、頸椎を保護し、患者の頭部の位置に自然と合い、かつ、患者に疲労を与えることなく、安全にかつ楽に診療が受けられるようにした歯科用安頭台を提供する。【解決手段】患者の頭部を支えるフレーム部材10と、該フレーム部材10の上に配設されるクッション部材20とから成る。クッション部材20は、フレーム部材10より患者の頚部に至るまで延長して配設される下部クッション部材21と、該下部クッション部材21の上部に配設されかつ患者の頸椎部を支える位置に配設される上部クッション部材22とから成る。【選択図】図1
