<prompt> Treatment objective for serial extraction:To intercept a developing arch-length deficiency and to reduce or eliminate the need for extensive appliance therapyReduce arch-length deficiencyTo plan for extensive appliance therapyTo reduce arch-length deficiency to plan for extensive appliance therapy  <response>: Benefits of Serial Extraction Serial extraction guides or encourages eruption of permanent teeth in a favorable position.Reduces malposition of individual teeth.Avoids loss of labial alveolar bone.Reduces treatment time when active orthodontic treatment is required. Textbook of ORTHODONTICS Sridhar Premkumar 