Definition: A soft tissue analogue of dentigerous cyst which develops as a result of separation of dental follicle surrounding the crown of an erupting tooth.
C/F
- Blue or purplish brown colour
- Soft gingival swelling
- commonly associated with first permanent molar, next common are the maxillary incisors
- Cystic fluid usually contains blood
- Fig. 1. Eruption cyst with respect to right maxillary central incisor (Pre-operative view)
Case: A male child of 8 years old reported with an eruption cyst with respect to right maxillary central incisor ( fig. 1) and a mobile deciduous right maxillary lateral incisor.
- Fig. 2. Post-operative view
Treatment: The eruption cyst was drained and tooth was exposed through the gingiva ( fig. 2 ) and the mobile deciduous right maxillary lateral incisor was extracted.
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