How to make Adam clasps for Hawley retainer

Описание: An Adams clasp is a type of orthodontic clasp used to secure a dental appliance, like a retainer, by engaging the mesiobuccal and distobuccal undercuts of a tooth. It is made from stainless steel wire and features two small loops called "arrowheads" on the ends that provide retention by fitting into the tooth's natural indentations. This design offers excellent stability and is one of the most widely used clasps in orthodontics.
Function and use
Retention: The "arrowheads" are the key to its retention, as they grip the tooth's undercuts, which are the areas just below the height of the tooth's curvature.
Application: It is used in a wide variety of removable dental appliances, including orthodontic retainers (like Hawley's and Sagittal's), partial dentures, and appliances for obstructive sleep apnea.
Tooth selection: While typically used on molars, it can be used on bicuspids as well, as long as the tooth has sufficient undercuts for the clasp to engage.
Construction and characteristics
Materials: Typically constructed from a 0.7mm (22 gauge) stainless steel wire.
Components: It consists of a central "bridge" and the two arrowhead loops that provide retention.
Adaptability: It can be pre-formed or customized by a dental lab. Modifications can be made to improve fit and function.
Other names: It is also known as a universal or modified arrowhead clasp, and sometimes the Liverpool clasp.


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