Also, prior teeth conditions, medical conditions, current co-moridities, medications, illegal drug use, diet, chemo, and as we know, radiation, and it's dosage amount, fractions, field of radiation, bilateray or ipsilaterally, dosage to structure (salivary gland are usually dosed under 30Gy to partially recover), all factor in tooth decay and or to accelerate it. You ever see what crystal meth does to these addicts teeth?
