1.
Am J Orthod
; 72(6): 682-7, 1977 Dec.
Artículo
en Inglés
| MEDLINE
| ID: mdl-271468
RESUMEN
1. Wires with a range of tensile properties are available for construction of a Stage 1 arch wire in the Begg orthodontic appliance. 2. Over a period of 3 days, a detectable amount of stress relaxation occurs in some orthodontic wires loaded initially to 20 kg.