Periapical cyst
Periapical Cyst
Periapical cyst, also known as Radicular cyst or Apical periodontal cyst (pronunciation: /ˌpɛriˈæpɪkəl/ /sɪst/), is the most common type of odontogenic cyst that affects the oral cavity.
Etymology
The term "periapical" is derived from the Greek words "peri", which means around, and "apex", which means tip. The term "cyst" is also derived from the Greek word "kystis", which means bladder or sac. Therefore, a periapical cyst refers to a sac-like structure that forms around the apex or tip of a tooth's root.
Definition
A periapical cyst is a pathological cavity filled with fluid or semi-fluid material, which is usually lined by epithelium. It is typically located at the apex of a tooth's root and is associated with chronic periapical periodontitis.
Causes
Periapical cysts are primarily caused by bacterial infection that has spread to the pulp of the tooth, leading to necrosis and inflammation of the periapical tissues. This is often a result of untreated dental caries or trauma to the tooth.
Symptoms
Symptoms of a periapical cyst may include pain, swelling, and sensitivity in the affected area. In some cases, the cyst may be asymptomatic and only discovered during routine dental examinations.
Treatment
Treatment for a periapical cyst typically involves endodontic therapy or surgical removal of the cyst. In some cases, antibiotics may be prescribed to manage the infection.
Related Terms
- Dental caries
- Endodontic therapy
- Necrosis
- Odontogenic cyst
- Oral cavity
- Periapical periodontitis
- Radicular cyst
External links
- Medical encyclopedia article on Periapical cyst
- Wikipedia's article - Periapical cyst
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