Positional Changes of Mandibular Molar After Orthodontic Treatment

Changes in the Position of Mandibular Third Molar in Orthodontically Treated Patients With First Premolars Extraction

This retrospective study was carried out on pre and posttreatment digital standardized panoramic radiographs of 30 cases previously orthodontically treated with four first premolar extraction.

Inclusion Criteria:

- class I malocclusion cases (0 < ANB < 4) with moderate crowding

Exclusion Criteria:

• Absence of all permanent teeth including mandibular third molars.