Quad helix
Quad Helix
The Quad Helix (pronounced: kwod hee-liks) is a type of Orthodontic appliance used in the field of Orthodontics.
Etymology
The term "Quad Helix" is derived from the Latin words 'quattuor' meaning 'four' and 'helix' meaning 'spiral'. This is in reference to the appliance's four active helix springs.
Definition
The Quad Helix is a fixed Orthodontic appliance that is cemented to the molar teeth. It is used to widen the dental arch and correct malocclusion. The appliance is made of stainless steel and consists of four active helix springs that apply light, continuous pressure to the teeth.
Usage
The Quad Helix is primarily used in children and adolescents to correct dental crowding and crossbite. It is also used to create space for the eruption of permanent teeth and to correct dental arch discrepancies.
Related Terms
- Orthodontics: The branch of dentistry that corrects teeth and jaws that are positioned improperly.
- Orthodontic appliance: A device used to correct malocclusion and guide teeth into proper alignment.
- Molar: The large, flat teeth at the back of the mouth used for grinding food.
- Dental arch: The curved structure formed by the teeth in their normal positions, or by the residual ridge after the teeth have been removed.
- Malocclusion: A misalignment or incorrect relation between the teeth of the two dental arches when they approach each other as the jaws close.
- Dental crowding: A condition characterized by inadequate space for the normal growth and development of adult teeth.
- Crossbite: A type of malocclusion where a tooth (or teeth) has a more buccal or lingual position (that is, the tooth is either closer to the cheek or to the tongue) than its corresponding antagonist tooth in the upper or lower dental arch.
External links
- Medical encyclopedia article on Quad helix
- Wikipedia's article - Quad helix
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