Review Article University J Dent Scie 2022; Vol.
8, Issue 4
Transpalatal Arch and its Modifications
Abstract::
Versatility has become key feature for an appliance to be chosen for any orthodontic treatment, one such appliance is transpalatal arch (TPA) which
has numerous advantages while using in fixed orthodontic treatment. TPA not only provides additional anchorage but also used for active movement of
individual teeth. The aim of this article is to present a broad review of the literature by including various modifications of TPA and their indications, to
better assist the clinician for using it in different case
Key-words: Transpalatal arch, Goshgarian appliance. anchorage, molar distalisation, expansion, scissor bite.
Introduction: of the molar bands.It is of two main types 1) Removable TPA
and 2) Soldered TPA.
Historical Background:
TPA was first introduced by Robert A. Goshgarian of Various modifications of TPA over the years
Waukegan, Illinois in 1972[1]. Since then transpalatal arch 1) The Goshgarian Appliance/Transpalatal arch
(TPA) is a commonly used appliance for anchorage in the It was the first and original design of TPA, which was
maxillary arch and for controlling the position of the molars. fabricated with Stainless steel wire extending across the palate
Transpalatal arch has traditionally been used as a soldered, with omega loop in the middle.
passive orthodontic appliance. The removable TPA, also
known as the Palatal Arch Bar or Transpalatal Lingual Arch
Parts:
has more versatile treatment applications.[2,3]
1) A Coffin loop or Omega loop
2) Wire adapted along the curvature of palatal shelves on
The transpalatal arch (TPA) is fabricated from a stainless steel
both the sides.
wire which spans the palate and connects bands on both
maxillary first permanent molars. Later, its other TPAs are routinely used during treatment in both
modifications are also fabricated by Titanium Molybednum permanent and mixed dentition to [5]
alloy (TMA) wire. TPA is an auxiliary appliance, which is 1. Stabilise and maintain arch widths;
used for controlling the position of maxillary molars, controls 2. Correction of molar rotation
the rotation of maxillary molars and uprighting, stabilization 3. Control eruption of upper molars;
of posterior transverse dimensions during treatment, and
maintenance of leeway spaces during the transition of the
dentition.[4] 1
ISHA AGGARWAL, 2PALLAVI VISHAVKARMA,
3
SANJAY MITTAL, 4TANZIN PALKIT, 5MERRY
1-5
Introduction: Bhojia Dental College Baddi, Distt Solan
Himachal Pradesh
TPA is most commonly used to control the anchorage in upper
arch. It is either a prefabricated or an individually prepared
Address for Correspondence: Dr. Pallavi Vishavkarma
removable TPA is used and placed in tubes on the palatal side Bhojia Dental College Baddi, Distt Solan Himachal Pradesh
Email : pallavivishavkarma01@gmail.com
Access this article online
Quick Response Code Received : 20 August, 2022, Published : 31 Dec., 2022
Website:
www.ujds.in
How to cite this article: Pallavi, P. V., Isha Aggarwal, Sanjay Mittal, Tanzin Palkit, &
DOI:
Merry. (2022). Transpalatal Arch and its Modifications. UNIVERSITY JOURNAL OF
https://doi.org/10.21276//ujds.2022.8.4.22 DENTAL SCIENCES, 8(4).
120 University Journal of Dental Sciences, An Official Publication of Aligarh Muslim University, Aligarh. India
