Adec 1005 Priority Back Plastic (NEW) by ADEC $95.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart NEW Replacement back plastic for Adec 1005 dental chair. May be painted white, light gray, or tan for an additional $75. These are very hard and durable. Made with ABS plastic. Shipping is approximately $30 depending on location.