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Root canal treatments are traditional procedures performed to save teeth that have suffered irreversible pulp damage or have their integrity severity compromised.
However, this procedure is done inside the tooth. Therefore, the dentist doesn't have any method to achieve a direct view of the prepping. As a result, the use of X-rays is mandatory to evaluate how the procedure is unfolding.
Nonetheless, modern devices have improved the way endodontic treatments are performed. Moreover, a dental apex locator offers a contemporary solution to identify the apex location more accurately.
An apex locator is a digital device that allows the dentist to find the exact location of the apical constriction. Therefore, it helps determine the length of the root canal.
It consists of a tool that looks similar to an endodontic file. However, this specialized file has two electrodes in the tip.
The tooth apex possesses a specific resistance to electrical currents. Therefore, the dental apex locator uses this tooth property to identify the depth and location of the apex through the device's electrodes.
The specialized file is connected to a control box. This box has a screen that usually depicts a tooth graphic indicating the apex location.
Furthermore, this device tends to have a sound cue that indicates when the user has reached the apex.