Parchment-white fluorosis totals at least one-third of the visible surface, but less than two-thirds
parchment-white fluorosis totals at least one-third of the visible surface, but less than two-thirds
Parchment-white fluorosis totals at least one-third of the visible surface, but less than two-thirds
parchment-white fluorosis totals at least one-third of the visible surface, but less than two-thirds