Abstract: A dental explorer comprising a handle with a generally tapered explorer portion which terminates in a point has been provided with a passage extending through the handle and through and/or alongside the explorer portion so that it terminates spaced from and generally directed against the point of the explorer portion. The other end of the passage is connected to a source of pressurized air through a light and flexible connection. In the passage or the connection is provided at least one valve which may be operated by the dentist for selectively admitting air therethrough. The explorer portion comprising the point may be detachably secured to the handle so as to allow it to be replaced by another similar or different explorer portion.