Diagnostic devices and Dental Surgical device are such devices are devices used to identify the nature or cause of a certain problem, usually related to a medical condition. A diagnostic device and a dental surgical device is a type of medical device. Medical devices are defined as an instrument, apparatus, implement, machine, contrivance, implant, in vitro reagent, tended for use in the diagnosis of disease or other conditions, mitigation, treatment, or prevention of disease, in humans or animals. Diagnostic device and Dental surgical device do not achieve its primary intended purposes through chemical action within or on the body of humans or other animals and which is not dependent upon being metabolized for the achievement of its primary intended purposes.