Talon cusp
Talon Cusp
Talon cusp (pronunciation: /ˈtælən kʌsp/), also known as dens evaginatus of the anterior teeth, is a rare dental anomaly characterized by the presence of an extra cusp or projection on the chewing surface of a tooth. The term "talon cusp" was first coined by Mellor and Ripa in 1970 due to its resemblance to an eagle's talon.
Etymology
The term "talon cusp" derives from the Latin word "talon" meaning heel or claw, and the Latin word "cuspis" meaning point or apex. This is due to the resemblance of the dental anomaly to the claw or talon of an eagle.
Description
Talon cusp can occur on any tooth but is most commonly found on the incisors, the front teeth. It can occur in both primary (baby) and permanent (adult) teeth. The cusp is composed of normal tooth structure, including enamel, dentin, and pulp tissue. It can vary in size from a small bump to a large projection that extends to the cutting edge of the tooth.
Causes
The exact cause of talon cusp is unknown, but it is believed to be due to a combination of genetic and environmental factors. Some studies suggest that it may be associated with certain genetic conditions, such as Mohr syndrome and Rubinstein-Taybi syndrome.
Treatment
Treatment for talon cusp depends on the size and location of the cusp, as well as whether it is causing any symptoms or problems. In some cases, no treatment may be necessary. In other cases, treatment may involve smoothing down the cusp, applying a protective coating to the tooth, or in severe cases, root canal treatment or extraction of the tooth.
Related Terms
External links
- Medical encyclopedia article on Talon cusp
- Wikipedia's article - Talon cusp
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