Earth boring bits with embedded inductive couplers, sensors, computer chips, transistors, and microcircuitry for data acquisition and transmission of drilling, borehole, and subterranean formation conditions

Apparatus for dental purposes; apparatus for dental use; apparatus for fabricating dental prostheses (specifically adapted for dental use); apparatus for use in the fitting of dental prostheses; apparatus for use in the preparation of dental prostheses; dental moulding apparatus; dental moulding devices; dental prostheses