Seiten: 381-385, Sprache: EnglischLiu / Hsiao / Chen / TsaiOrthodontic correction was used to treat a 12-year-old-boy with a mandibular first molar deeply impacted by an odontoma. Following surgical removal of the odontoma, the molar was exposed and brought to a proper position by orthodontic traction. The treatment time was 29 months. After a 20-month follow-up, the molar was still in a satisfactory position.