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 6620-01-263-6697
NSN 6685-00-764-6311
NSN 6135-01-512-8740
NSN 5999-01-598-4664
NSN 6135-01-538-7272
NSN 6110-00-943-5216
NSN 5935-01-026-5220
NSN 5960-01-579-1661
NSN 5985-01-594-2416
NSN 6130-01-324-9104
NSN 5925-01-186-8270
NSN 5935-01-357-6950