@philipivanov353: An intrusion arch engaged into the incisor brackets delivers a controlled intrusive force, accompanied by proclination of the incisors. Alongside these effects, this mechanic commonly produces a second-order side effect: convergence of the incisor roots toward one another. (Exaggerated for clarity) #orthodontics #ortho #biomechanics #dentistry #dental @Maria9577 @Embrace Clinic Plovdiv