A dental instrument and a dental kit comprising multiple dental instruments are disclosed for use in dental examination, extraction and reconstruction procedures. Each dental instrument is composed of three detachable components: the handle, the arm and the head. These components are connected to one another during assembly through magnetized hexagonal projections and hollows of 0.5-1.0 cm in length or depth to provide fast and sturdy connections between the components. Multiple versions of the arm and the head are provided to enable different angulations, different combinations of angulations, different configurations and sizes of a single type of dental instrument, different types of dental instruments to be assembled during the dental treatment procedure. Embodiments disclosed herein help to create a neat and orderly working environment for the dental professional wherein the multiple tools required for a procedure are provided in a compact kit.