Listing ID #3984037
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Latest Generation Apex Location Technique
The precise electronic length determination of the root canal works with a new impulse measuring method.
For these impulse method company Schlumbohm has the patent.
Thanks to the newest microprocessor technology the exact determination of the preparation length is done with 10-Bit-resolution in real time up to 1024 bits.
In comparison with the old impedance difference – or impedance quotient – method, the measuring time is significant shorter and the interpret ability is improved.
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The old frequency measurement method
The 2-frequency method uses two voltages with different frequencies, which will be applied to the tooth – time after time. Therefore, no real-time measurement is possible.
As a result, there are only two individual time-shifted impedance values.
The manufacturers of these devices use subtraction- and division-processes.
Of course the possibilities of calculation with only two values are limited. Ultimately you obtain only one result which cannot be verified.