I should also mention that when the government typically considers a "maximum exposure" amount they typically devide the actual number (that would cause death for instance) by 10 to have a reasonable margin of safety.

Joanna, dental r-rays are the weakest x-ray potential you can be exposed to.


Gary Allsebrook
***********************************
Dx 11/22/02, SCC, 6 x 3 cm Polypoid tumor, rt tonsil, Stage III/IVA, T3N0M0 G1/2
Tx 1/28/03 - 3/19/03, Cisplatin ct x2, IMRT, bilateral, with boost, x35(69.96Gy)
________________________________________________________
"You are a mist that appears for a little while and then vanishes" (James 4:14 NIV)