4 Product function and operation
4.1 Usage requirements
The device should be precise, repeatable, and easy to operate. The following
requirements are necessary besides the proper operation method.
4.1.1 The operation should be according to the manual.
4.1.2 The dentists should have the knowledge of teeth position and average
length and the skill to operate the device.
4.1.3 A fully exposed access cavity to show the pulpal cabin.
4.1.4 An X-ray photo to show the whole length and root canal of the teeth.
the apical foramen.
4.1.6 Mark an anatomized symbol on the diseased tooth and memorize it on
the case history. This symbol should be marked on the health bridge or on the
the anterior tooth or on the spire of the molars. For those bridge that's broken
obviously, this symbol should be on the tooth surface supported by the dentin
instead of on the suspended enamel.
Picture 12
Picture 13
Picture 14
16