This is exactly what I needed to refresh myself after being out of the office for 8 years raising my babies. Thank you for this it is the confidence boost I needed!! Stay blessed!
Its part of the x-ray machine its connected to the tube head, its the tube thing that sticks out towards the mouth. It leads the x-ray beam towards the teeth. I tried to "draw" it with symbols here 😂 im sorry if this isnt clear. [ ]=---(beam)------- the = part coming out of the [ ] is the PID. Wow this is a bad explanation , ihope you understand
