First molar extraction in patients with crowding: cases analysis / 中华口腔医学杂志

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the outcome of first molar extraction in patients with crowding.</p><p><b>METHODS</b>Totally 22 patients (8 males and 14 females) from Clinic of Orthodontics, SUN Yat-sen University School of Stomatology with crowding were collected. The patients were aged 11 years 3 months to 26 years 8 months (mean age 16 years 6 months). All of them treated with 1 to 4 first molar extractions.</p><p><b>RESULTS</b>The average duration of orthodontic treatment was 18.5 months. Normal overjet and overbite was achieved. Good functional occlusion was established.</p><p><b>CONCLUSIONS</b>Patients with severe crowding could be successfully treated with first molar extraction.</p>