Two-stage expansion screw; used to accomplish palatal expansion up to 14 mm; first stage for a narrow maxillary arch, expands up to 7 mm; replaceable jack screw for second stage expansion, widens arch another 7 mm
An item designed for treatment of cleft-palate patients and also for patients who have severe maxillary arch width deficiencies. It may have double guide pins to insure linear movement or a single guide pin for partial quadrant and mandibular expansions.
Classification: Other instruments and appliances, used in dental sciences; and parts and accessories, except dental drill engines, nesoi
NSN 6645-01-492-1055
NSN 5905-01-157-0527
NSN 5985-00-146-8537
NSN 6610-01-555-8596
NSN 6240-01-345-3263
NSN 6645-00-606-5703
NSN 6110-01-246-2673
NSN 6645-00-527-7258
NSN 5960-01-433-7565
NSN 5935-01-524-0277
NSN 6130-01-426-1544
NSN 6650-00-012-2430