Clinic study of root resorption caused by edgewise appliance combined with flat bite plate treatment / 华西口腔医学杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the root resorption caused by edgewise appliance combined with flat bite plate treatment.</p><p><b>METHODS</b>65 patients with edgewise technique and flat bite plate treatment were chosen. All patients were taken panoramic radiograph before flat bite plate treatment, immediately after flat bite plate treatment and 6 months after flat bite plate treatment. Root resorption grade of mandibular permanent incisors were analyzed.</p><p><b>RESULTS</b>There were statistical difference in the root resorption grade of three groups (P < 0.05), but there was no statistical difference between male and female (P > 0.05).</p><p><b>CONCLUSION</b>Flat bite plate can cause root resorption of mandibular permanent incisors, but the root resorption is slight.</p>