Two springs, one goal: which moves crooked canines faster?
Symptom relief
Not yet recruiting
Researchers compare two orthodontic spring designs, the Poul Gjessing spring and a modified Marcotte spring, for pulling upper canine teeth into proper position after premolar extraction. The study enrolls 20 adults and older teens with crowded teeth who need this treatment. Each…
Sponsor: Fayrouz Esam • Aim: Symptom relief
Last updated Sep 19, 2026 00:00 UTC