MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202641093805 A) filed by Saveetha Institute Of Medical And Technical Sciences on August 03, 2026, for Orthodontic Arch Expansion Appliance Utilizing Coil Spring Mechanism With Extended Canine Control Arms For Bodily Tooth Movement.
Inventors include Famidha Sulthana; Swapna Sreenivasa; and Deepak Nallaswamy Veeraiyan.
The application for the patent was published on August 14, 2026, under issue no. 33/2026.
Abstract: An orthodontic appliance for dental arch expansion is disclosed, comprising bilateral anchorage units secured to posterior teeth and a posteriorly positioned coil spring mechanism configured to generate continuous expansion force. The appliance includes an archwire extending anteriorly from the anchorage units toward the canine region, enabling controlled bodily movement of teeth rather than tipping. The coil spring replaces conventional expansion screws, providing continuous, physiologic force without manual activation. The design improves anterior force transmission and enhances arch development efficiency.
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