Recent trends in the treatment of benign odontogenic tumors

Purpose of review: The management of benign, locally aggressive odontogenic tumors, namely, keratocystic odontogenic tumors (KOTs) and ameloblastomas, can be challenging. The purpose of this article is to briefly summarize important features of these lesions and review recent trends in the literature regarding their treatment. Recent findings: Currently, KOTs are frequently treated with a conservative approach consisting of enucleation and adjuvant decompression or local microablation with peripheral ostectomies, Carnoy's solution, or cryotherapy. Conversely, ameloblastomas generally require marginal or segmental resection followed by reconstruction using local bone regeneration techniques or vascularized osteocutaneous free flaps, respectively. Bone regeneration techniques have improved with the use of autogenous progenitor cells held in place by autogenous or alloplastic scaffolding. Esthetic results for free flap reconstruction have improved with the use of inconspicuous surgical approaches utilizing intraoral or rhytidectomy incisions. Molecular markers for both neoplasms are being investigated as potential targets for chemotherapeutic agents. Summary: Excluding hamartomas (i.e., odontomas), KOTs and ameloblastomas are the most common benign odontogenic lesions. Their management is often complicated by their locally infiltrative behavior, responsible for high rates of recurrence. Simple enucleation or excision of these lesions has proven insufficient. When left untreated, these lesions are capable of causing severe disfigurement and loss of function. Knowledge regarding current best practices and potential future therapeutics is imperative to well treated and effective disease management.

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