256,000 items were prescribed by dental practitioners, 42,000 items by pharmacists working in community pharmacies, and 16,000 items by optometrists.
Cafodd 256,000 o eitemau eu rhagnodi gan ymarferwyr deintyddol, 42,000 o eitemau gan fferyllwyr sy'n gweithio mewn fferyllfeydd cymunedol, a 16,000 o eitemau gan optometryddion.