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Table 1 Typical characteristics of odontogenic keratocysts (OKCs), dentigerous cysts, ameloblastomas and radicular cysts

From: Odontogenic keratocyst: imaging features of a benign lesion with an aggressive behaviour

Odontogenic lesion

Age (decade)

Gender

Predominant jaw

Predominant location

Image interpretation keys

Odontogenic keratocysts

3rd

M > F

Mandible

Posterior

Unilocular osteolytic lesion with few septa and growth along the length of the bone with minimal buccolingual expansion

Dentigerous cysts

2nd–3rd

M > F

Mandible

Posterior

Unilocular osteolytic lesion around the crown of impacted tooth with buccolingual expansion and no septa

Ameloblastomas

3rd–5th

M > F

Mandible

Posterior

Multilocular osteolytic lesion with thick septa, root resorption and buccolingual expansion

Radicular cysts

3rd–5th

M ~ F

None

None

Unilocular osteolytic lesion around the apex of a non-vital tooth