368 Oral Observatory (17 inches) - HM

368 Oral Observatory Computer (17 inch) Y-PC

368 Oral Observing Instrument (17 inch) HM-WF Operating Video：

Sandblasting dental cleanerTroubleshootingVideo

1、New machine does not water - treatment method: change the location of the "small" water pipe in the four-hole joint of the mobile phone.

2、Can't Open the Cover - Processing Method: Can be used with "rubber pliers" to open counterclockwise twist

3、No Powder on the Gun Head - Processing Method: Dismantling and disassembling the Gun Head, and dredging with "through needle" one by one