Mike,
Everyone in the room should have protective eye wear(PEW). Besides doc and assistant we also give them to mom, sis, and aunt Susie when they’re in the Tx room.
Depending on the PEW they can distort color. The glasses that came with my diode are rose colored and affect color of tissue. I had some filters made for my loupes and they are a slight yellow color (for the diode, green for the erbium- PEW are wavelength dependant) and there is very little distortion. Probably a greater problem with the hard tissue Tx is that there is hydrating(lasing)/dehydrating(drying prep) of dentin and the caries and this makes it difficult to determine caries. Sometimes you think you have all the caries out and then etch or dry the tooth only to find there is more decay there. Tactile sense seems to be the surest way to determine if all the decay is gone.
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