This Appliance-I category is fixed mechanical orthodontic appliances mainly combined with bands set in the mouth.
Typical fixed type of appliances are such ones as Lingual Arch, Quad Helix, Nance Holding Arch and Rapid Expansion.
This variety of appliances enables orthodontics movement such as retention, expansion and spring tension.

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301

(a)Lingual Arch with Solder

302

(b)Lingual Arch with ST Lock

303

(c)Lingual Arch with Sheath（ストレート使用）

304

(d)Lingual Arch with 3D

305

Nance Holding Arch
（ストレートタイプ）
(a)with Solder (b)with ST Lock (c)with Sheath

306

Nance Holding Arch
（リバースタイプ）

307

TPA
(a)with Solder (b)with ST Lock (c)with Sheath

308

Habit Appliances
(a)with Solder (b)with ST Lock (c)with Sheath (Crib,Spike)

309

Quad Helix
(a)with Solder (b)with ST Lock (d)with 3D

310

Quad Helix with Sheath

311

Bi Helix
(a)with Solder (b)with ST Lock (c)with Sheath (d)with 3D

312

Porter
(a)with Solder(b)with ST Lock (c)with Sheath

313

Rapid Expansion(Hyrax Type)

314

Rapid Expansion(Haas Type)

315

Rapid Expansion(Fan Type)

316

Rapid Expansion(McNamara)

317

Rapid Expansion(Bulldozer)

318

Crozats

319

GMD

321

Lip Bumper

322

Pendulum Appliance