Authors : Mandakini Mandale, Vaishnavi Marge, Jayanti Humbe, Vaishali Nandkhedkar, Savita Wagh, Monika Kajalkar
DOI : 10.9734/ijrrd/2025/v8i2231
Volume : 8
Issue : 2
Year : 2025
Page No : 278-285
Orthokeratinized Odontogenic Cyst (OOC) is a rare developmental odontogenic cyst, accounting for approximately 1% of all odontogenic cysts and 10% of all keratinizing odontogenic jaw cysts. The 2017 WHO classification considered OOC as a distinct entity. It is characterized by an Orthokeratinized stratified squamous epithelial lining, a benign nature, and a low recurrence rate of less than 2%. Unlike OKC, OOC lacks aggressive behaviour, showing minimal proliferative activity. Radiologically, OOCs often present with buccolingual expansion and cortical bone destruction, but their growth pattern is less invasive than that of OKC. Due to its favourable prognosis and low recurrence, OOCs should be differentiated from OKC for its appropriate diagnosis & management.