Orthodontic appliances for use in jaw-orthopedics and orthodontia in form of apparatus and of components made of metal, ceramic or plastic, particularly wires, preformed wires, arch wires, brackets, [buccal tubes,] bands [and molar bands] with and without parts welded thereto, [springs, screws having a spring-loaded piston, expansion screws and ] dental apparatus and instruments for manipulating, attaching, detaching, adjusting and/or for opening the aforementioned goods, particularly side nippers, [ cutters,] pliers, tweezers, [needle holders, forcepts, twirl-on-instruments], ligature tuckers, ligature tiers, ligature directors, [band seating instruments,] scalers, [ band pushers,] vernier gauge calipers, [stress and tension gauges, holders for pliers, arch turrets,] bracket positioning tools, [disposable brushes, application tools for adhesives, picks, burrs, mirrors;] structural parts of the aforementioned goods