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The fixed functional appliances have to be bonded to the teeth by an orthodontist. A removable functional appliance does not need to be bonded on the teeth and can be removed by the patient. A removable appliance is usually used by patients who have high degree of compliance with their orthodontic treatment. Fixed appliances are able to produce ...
Frankel appliance or Frankel Functional Regulator is an orthodontic functional appliance which was developed by Rolf Fränkel in 1950s for treatment to patients of all ages (more so for adults In Orthotropics). This appliance primarily focused on the modulation of neuromuscular activity in order to produce changes in jaw and teeth. The ...
The Herbst appliance is a fixed-functional appliance. It consists of sections attached to the upper and lower posterior teeth that are attached by a rigid arm pushing the mandible forwards. The fact that it is a fixed appliance eliminates the patient compliance issues that accompany the Twin-block appliance. [8]
The researchers concluded that functional appliances used to harness natural forces (such as improving the alignment of bites) do not usually have major effects on the gum after treatment. [9] However, fixed appliances such as braces, which most people get, can result in visible plaque, visible inflammation, and gum recession in a majority of ...
The appliance includes a jackscrew in the middle for patients to turn for expansion purposes. This appliance also has rigid wires extending from appliance to premolars and molars. It is important to note that the tooth-borne expanders can be divided into the Bonded vs. Banded Type of expanders. Hyrax appliance falls under the banded type appliance.
In fixed retainers, composite is usually placed to bond and to cover the wire, whilst ensuring no interference in the interdental space. Fixed retainers are used in situations where instability is more likely, such as severe rotations, periodontal disease and median diastemas. Occasionally the patient will require a removable retainer as well.
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Pendulum is an orthodontic appliance, developed by James J. Hilgers in 1992, [1] that use forces to distalize the upper 1st molars to create space for eruption of impacted teeth or allowing correction of Class 2 malocclusion. This appliance is a fixed type of distalizing appliance that does not depend on the compliance of each patient to work.