Eruption cyst: A case report

Eruption cysts are benign cysts of soft tissue in association with an erupting primary or permanent tooth. It is defined as a cyst that lies superficial to the crown of an erupting tooth and is lined by stratified squamous nonkeratinized epithelium. Clinically, it appears as soft, often translucent swelling of the gingival mucosa overlying the crown of the involved teeth and may vary from pink to bluish purple in color. Usually seen in children and the most affected teeth include the first permanent molars and maxillary incisors. Radiographically, there is no bone involvement. Eruption cyst may disappear by themselves, but if injured, shed blood, or get infected, then a surgical treatment to expose the tooth and drain the contents may be required. This article describes a case of eruption cyst in a 7-year-old male patient, which presented with a swelling involving the gingiva apical to 51 and involving 11.