A dental instrument for cutting soft tissue includes a main body in which an inlet hole through which cut soft tissue is input is formed, a blade provided at the main body, at least a portion of the blade being exposed to the outside through the inlet hole, and a cover covering an upper portion of the main body. The blade includes a first blade having a first cutting depth and a second blade provided adjacent to the first blade and having a second cutting depth smaller than the first cutting depth.本發明提供一種用以切割軟組織之牙科儀器,該牙科儀器包含:一主體,其中形成一入口孔,所切割之軟組織穿過該入口孔被輸入;一刀刃(blade),設置於該主體中,該刀刃之至少一部分係透過該入口孔暴露在外;以及一外罩,罩蓋該主體之一上部。該刀刃包含:一第一刀刃,具有一第一切割深度;以及一第二刀刃,鄰設於該第一刀刃並具有較該第一切割深度為小之一第二切割深度。100...牙科儀器110...主體112...入口孔114...刀刃安裝部115...位置固定突出部116...鉤形台階118...插入突出部120...外罩122...排出孔124...突出部126...鉤形槽130...握把140...刀刃150...刀刃
