The Roots Resorption Case with Short Roots, 5 Years Retention Report

Abstract

The root resorption during orthodontic treatment was unavoidable, even if these appearance were different situations. Especially in the short root case, it was not seldom that the excessive root resorption was caused. The root resorption once occurred was succeeded with orthodontic force and was stopped without, and then the repairing changes by secondary cement was appeared. It was generally considered that this repairing changes of root resorption were occurred during retention period. But it was very difficult to find these long term observation reports written root resorption.
In this time, we obtained 15 years and 8 months (total : 17 years) root resorption retention observation case with short root, 9 years and 9 months of age female patient at the beginning of treatment.
The treatment results were as follows :
1. The root resorption was appeared by orthodontic force.
2. The repairing for root resorption was started by orthodontic force reduction.
3. No significant root resorption was recognized during long retention period.