OEM Midmark Progeny JB-70 X-Ray Arm Replacement | Dental X-Ray Machine Part This genuine OEM replacement arm is engineered specifically for Midmark Progeny JB-70 dental X-ray systems. Designed to restore full functionality and precision to your imaging equipment, this component ensures consistent, high-quality radiographic results. Built to original manufacturer specifications, it maintains the reliability and accuracy your practice depends on. Choose authentic OEM parts to keep your diagnostic equipment performing at peak efficiency and extend the lifespan of your investment.