AbstractIn recent times, for successful resolution of space discrepancies, a plethora of interceptive measures involving nonextraction approaches have been employed judiciously. Immaculate diagnosis and treatment planning help to prevent failure in diagnosing a case of space discrepancy and space regaining. This article describes a case in which space loss in the posterior quadrant of mandibular arch was successfully regained by employing King Appliance space regainer in an adolescent male,

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... owing which successful eruption of unerupted tooth took place. Additionally, after 1 year of follow-up, no marked reduction in arch dimension was seen.