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Top (left) and bottom (right) retainers Vacuum form retainer in the foreground (used on upper); illustration of an early Hawley retainer in the background. Orthodontic retainers are custom-made devices, usually made of wires or clear plastic, that hold teeth in position after surgery or any method of realigning teeth.
Once the treatment period has concluded, the patient is advised to continue wearing a retainer at night for the foreseeable future. [22] When the Invisalign system was first developed, many of the aligner manufacturing processes were carried out by hand, and computer technicians had to modify each tooth in the computerized model individually. [10]
The Invisalign Express 10, which uses 10 aligners, was introduced in 2005. [14] Invisalign 1.5 was released in 2009. It was followed by Invisalign G3 in 2010 and G4 in 2011. Invisalign G3 and G4 were designed for more complex treatments. An Invisalign Express 5 version, which uses 5 aligners, was introduced in 2012. [15]
It has a tight fit and holds all of the teeth in position. There are many types of brands for clear retainers, including Zendura Retainer, Essix Retainer, and Vivera Retainer. [47] A Hawley retainer is also a removable orthodontic appliance made from a combination of plastic and metal that is custom-molded to fit the patient's mouth. Removable ...
Hawley retainers are the most common type of retainers. This picture shows retainers for the top (right) and bottom (left) of the mouth. In order to prevent the teeth from moving back to their original position, retainers are worn once the treatment is complete. Retainers help in maintaining and stabilizing the position of teeth long enough to ...
A big change for patients specifically, is the transition from plaster model impressions to digital scanners. It provides more accurate impressions and is noticeably more comfortable for patients. [14] Digital scanners are also used as way for dental offices to manufacture aligners and retainers directly from their office.
For fiscal 2024, Total Invisalign Clear Aligner shipments for teens and kids reached a record total of 868,000 Invisalign cases and shipped up to -- a year up to 7.7% compared to the prior year ...
Palatal expander in mixed dentition. Rapid palatal expansion (RPE) or Rapid Maxillary Expansion (RME) is an expansion technique where expansion of 0.5 mm to 1 mm is achieved each day until the posterior crossbite is relieved.