[Correction of a dental and basal Class II with accentuated overjet using traction]

Correction of a dental and basal 2nd class with accentuated overjet using extraoral traction and programmed extractions of 17-27, 38-48 according to Armstrong's technique. The paper reports a case of dental and basal 2nd class with accentuated overjet treated using the extraction of 17-27, 38-48 and extraoral traction only, according to Armstrong's technique. Results obtained after 117 days of combined extraoral traction are reported in order to illustrate the reasons behind the choice of this apparatus and to demonstrate its evident efficacy in this case of 2nd class, 1st subdivision.