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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 very accurate movement in the teeth [1] [2]
The original bite-jumping appliance (Herbst appliance) was designed by Dr. Emil Herbst and reintroduced by Dr. Hans Pancherz using maxillary and mandibular first molars and first bicuspids. The bands were connected with heavy wire soldered to each band and carried a tube and piston assembly that allowed mandibular movement but permanently ...
Tongue posture plays an important role in swallowing and dentofacial growth. In case of tongue thrust swallowing, the tip of the tongue can come against or between the dentition; the midpoint may be collapsed or extended unilaterally or bilaterally; or the posterior part of the hard palate. In these conditions, there are chances of abnormal ...
Tongue cribs and functional appliances can correct tongue thrusting by leading to a more posteriorly position of the tongue. [citation needed] Tongue spurs are also effective options in the treatment of tongue thrust which work by triggering pain when the tongue is positioned forward. Appliance therapy is most effective when used during growth ...
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.
While braces correct the position of teeth, orthodontic headgear—which, as the name suggests, is worn on or strapped onto the patient's head—is most often added to orthodontic treatment to help alter the alignment of the jaw, although there are some situations in which such an appliance can help move teeth, particularly molars.
Craven Kurz with Jim Mulick in 1975 developed the Cruz Lingual Appliances in United States. The first patient to be treated by lingual braces was by Kurz in Beverly Hills in 1976. She was a member of Playboy Bunny Club and after being presented with metal braces option, she wanted to get braces which did not show metal. [4]
Orthodontic headgear is a type of appliance attached to dental braces that aids in correcting more severe bite problems. Headgear is an orthodontic appliance for the correction of Class II correction, typically used in growing patients to correct overbites by holding back the growth of the upper jaw, allowing the lower jaw to catch up.