Sana'a University

This study tested whether injecting platelet-rich plasma (PRP) or platelet-rich fibrin (PRF) can speed up the movement of canine teeth during orthodontic treatment. Twenty-one healthy people aged 17-29 who needed premolar extractions took part. The approach used a split-mouth des…

This study looked at two methods—elastic chains and elastics—for moving canine teeth after removing premolars. Thirty-three patients were involved, and researchers measured how fast and how straight the teeth moved. The goal was to find a more effective way to control tooth movem…

This study looked at how quickly colored and clear elastic chains used in braces lose their pulling force. Researchers measured the force in 96 orthodontic patients over 6 weeks. The goal was to help dentists choose the best type of chain for straightening teeth.