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Int J Orthod Milwaukee. 2012 Fall;23(3):59-61.

Modified transpalatal arch for molar intrusion.

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Department of Orthodontics and Dentofacial Orthopaedics, KLE VK Institute of Dental Sciences, Belgaum, Karnataka, India.


We have modified transpalatal arch (TPA) to intrude the extruded molar. The appliance is fabricated from 0.036 inch stainless steel wire which has a palatal and buccal arm. The appliance is activated by stretching an elastomeric chain from the palatal to the buccal arm such that the stretched chain lies across the occlusal surface of extruded second molar with an intensive force of 50 grams. The advantages of this appliance include reduced chair side time, patient comfort and cost effectiveness.

[Indexed for MEDLINE]

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