Abstract: A device for disinfecting and/or sterilization of a dental cavity includes: an electrode pair that extends into the cavity to provide current along a portion of the cavity; and a controller that sends controlled electrical energy to the cavity via current flowing between the electrodes when located in the cavity, thereby to provide electrical energy for disinfection and/or sterilization.

Abstract: A device for disinfecting and/or sterilization of a dental cavity includes: an electrode pair that extends into the cavity to provide current along a portion of the cavity; and a controller that sends controlled electrical energy to the cavity via current flowing between the electrodes when located in the cavity, thereby to provide electrical energy for disinfection and/or sterilization.

Abstract: A device for disinfecting and/or sterilization of a dental cavity includes: an electrode pair that extends into the cavity to provide current along a portion of the cavity; and a controller that sends controlled electrical energy to the cavity via current flowing between the electrodes when located in the cavity, thereby to provide electrical energy for disinfection and/or sterilization.

Abstract: A method of measuring the distance of a probe in a cavity in a root canal of a tooth, comprising: supplying at least one first voltage waveform to the probe via a resistor; receiving at least one signal responsive to the position of the probe and the at least one first voltage waveform; generating two response waveforms from said at least one signal, at least one of said response waveforms having at least a primary frequency component and a substantial amount of at least one other non-zero frequency component; and estimating the distance of the probe from the apex utilizing both generated waveforms.

Abstract: A device for disinfecting and/or sterilization of a dental cavity comprising: an electrode pair adapted to extend into said cavity to provide current along at least a portion of the cavity; and a controller configured for sending controlled electrical energy to said cavity via current flowing between the electrodes when located in said cavity, thereby to provide electrical energy for said disinfection and/or sterilization.

Abstract: A system for determining and storing a dental root canal depth measurement comprising: at least one electronic apex locator configured to locate the apex of a dental root canal; a dental instrument configured to be inserted into the dental root canal, up to the apex thereof; and a remotely located data storage unit configured to store data concerning the root canal apex. Data concerning the apex of the root canal may be transmitted from the apex locator to the data storage unit via Bluetooth transmission and may be exhibited on a display, along with the depth measurement of the root canal and a digital x-ray showing the location of the dental instrument in the root canal.

Abstract: A system for determining and storing a dental root canal depth measurement comprising: an electronic apex locator configured to locate the apex of a dental root canal; a dental instrument configured to be inserted into the dental root canal, up to the apex thereof; and a remotely located computer configured to store data concerning the root canal apex. Data concerning the apex of the root canal is transmitted from the apex locator to the computer via Bluetooth transmission and may be exhibited on a display, along with the depth measurement of the root canal.

Abstract: Apparatus for determining the apex of a dental root canal in a tooth includes a software operated microcontroller having a pulse generator, a memory and an analog to digital converter (ADC), the pulse generator feeding pulses to a gain control circuit for controlling the amplitude of the pulses. The apparatus also includes a driver receiving signals from the control circuit for feeding the signals to an electrically conductive shaft having a leading edge and a dental instrument connectable thereto, an input buffer receiving signals from the dental instrument and feeding the signals to the ADC, and a display for exhibiting data concerning the distance of the leading edge of the shaft from the root canal apex. A method for determining the apex of a dental root canal in a tooth is also provided.