Interceptive orthodontics refers to procedures that eliminate or reduce malocclusion in the developing dentition. Local factors that can cause malocclusion include delayed eruption, retained primary teeth, infraocclusion, ectopic eruption, hypodontia, diastema, crowding, and thumb sucking. Treatment for these local factors may include extractions, space maintenance, serial extraction, or appliances to redirect eruption. The timing of interceptive treatment is important to address developing issues before malocclusion worsens.

1. INTERCEPTIVE ORTHODONTICS

49. FIRST MOLAR EXTRACTION As an interceptive orthodontic measure