17
[Picture 18]
(Because of the angles of X-rays,sometimes it can’t take photo of the apical
foramen properly, so it can’t show the accurate position of the apical foramen.)
4.2 Instruction
4.2.1 Insert the plug of measuring wire into the socket in the side of main unit.
Turn it on. The battery is on the left of screen.
4.2.2 The equipment is in the normal condition. The equipment shuts down after
5 minutes without use.
4.2.3 The volume is adjustable. Please press the volume bottom for a setting.
Picture 19 Picture 20
4.2.4 Hang the lip hook on the lip, make sure it contact the oral mucosa as a
reference electrode [Picture 19].
4.2.5 Clip the file with file clip, approach to the apex, then there will be
continuous alarm when the distance is less than 2mm [Picture 20].
Attention:
a) When grip the root canal with a needle file, please grip the upper of the metal
