title: Comment on "Nance palatal arch" by Singh and Cox.
mesh_terms: D020878:Device Removal; D006801:Humans; D008297:Male; D052280:Orthodontic Anchorage Procedures / Q000009:adverse effects / Q000295:instrumentation*; D016382:Orthodontic Appliance Design; D009967:Orthodontic Appliances; D021362:Palate, Hard / Q000601:surgery