Dental Adult Primary Molar Crown. Fits for Adult 1st Molar Teeth. 24 Sizes Available Lower Left - LL2, LL3, LL4, LL5, LL6, LL7 Lower Right - LR2, LR3, LR4, LR5, LR6, LR7 Upper Left - UL2, UL3, UL4, UL5, UL6, UL7 Upper Right - UR2, UR3, UR4, UR5, UR6, UR7. If you need Mixed size, please leave us a message for the sizes you need. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical, Lab & Dental Supplies\Crowns & Veneers".speed" and is located in this country: CN. This item can be shipped worldwide.