Arch constriction is primarily corrected with either slow or rapid maxillary expansion procedures based on the nature of expansion desired. Clinical studies have suggested that slow expansion maintains sutural integrity during expansion, producing a more stable result than rapid maxillary expansion. Transpalatal arch (TPA) is a commonly used appliance for anchorage in maxillary arch and for controlling the position of molars. In this present article, we have described a simple modification of the commonly used TPA that can also function as a slow maxillary expansion appliance.
With the of lingual orthodontics in the global orthodontic scenario, indirect bonding techniques have indeed become an integral part of the lingual orthodontic practice. With a plethora of indirect bonding setup options available today, one is actually spoilt for choice. However, most of the setup options require additional laboratory support or expensive equipment. This paper describes the use of cost-effective lingual jigs that can be fabricated at chairside with common clinical materials and the same can be used to accurately position brackets intraorally.
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