Adolescent girl, age 13; CLIII skeletal & dental; Severe crowding; Posterior and anterior cross-bites; “Peg laterals”; Bimaxillary dental alveolar protrusion.

Adolescent girl, age 13; CLIII skeletal & dental; Severe crowding; Posterior and anterior cross-bites; “Peg laterals”; Bimaxillary dental alveolar protrusion.

Extraction of the 4 First Premolars; Treatment with wires and elastics.