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 5895-01-476-8688
NSN 6145-01-337-0008
NSN 5905-00-559-0259
NSN 6135-00-917-1894
NSN 6610-01-492-9888
NSN 7035-01-183-7550
NSN 6645-01-408-6568
NSN 5930-01-557-1962
NSN 5996-01-044-6958
NSN 5905-01-628-4520
NSN 5930-00-463-5964
NSN 5998-00-027-5495