Dahl appliance
Dahl Appliance
The Dahl appliance (pronounced: dahl ap-pli-ance) is a type of orthodontic device used in the field of dentistry. It is named after the Norwegian orthodontist, Nils Dahl, who first introduced the concept in the 1970s.
Etymology
The term "Dahl appliance" is derived from the name of its inventor, Nils Dahl. The word "appliance" in this context is used to refer to a device or piece of equipment designed to perform a specific task, in this case, dental correction.
Definition
The Dahl appliance is a removable or fixed intraoral device that is used to create space in the mouth for the alignment of teeth. It is primarily used to treat cases of localized anterior tooth wear, particularly where there is a need to increase the occlusal vertical dimension (OVD). The appliance works by intruding the anterior teeth, which in turn allows the posterior teeth to erupt and thus increase the OVD.
Related Terms
- Orthodontics: The branch of dentistry that corrects teeth and jaws that are positioned improperly.
- Occlusal Vertical Dimension (OVD): The distance measured between two points when the occluding surfaces are in contact.
- Intrusion: The process of moving a tooth within the alveolar bone without changing its axial inclination.
- Posterior Teeth: The teeth located towards the back of the mouth. These include the premolars and molars.
- Anterior Teeth: The teeth located towards the front of the mouth. These include the incisors and canines.
See Also
External links
- Medical encyclopedia article on Dahl appliance
- Wikipedia's article - Dahl appliance
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