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A Journal on Dentistry and Maxillofacial Surgery
Minerva Stomatologica 2007 November-December;56(11-12):611-20
language: English, Italian
Odontoma: retrospective study and confocal laser scanning microscope analysis of 52 cases
Crincoli V., Scivetti M., Di Bisceglie M. B., Lucchese A., Favia G.
Department of Odontostomatology and Surgery University of Bari, Bari, Italy
Aim. The aim of this study was to perform a retrospective analysis of 52 cases of odontoma treated at the Department of Dentistry and Surgery, University of Bari, in the period 1971-2005.
Methods. The odontogenic tumors were diagnosed as complex or compound odontoma following histological analysis and clinical radiological examination, and applying the 2005 WHO classification. The data analysis was conducted by considering the following factors: gender, age, site of the lesion, association with impacted teeth, aplasia, presence of supernumerary teeth as well as preoperative diagnosis by panoramic and periapical radiographs. Biopsy tissue samples were conventionally processed for histopathologic paraffin embedding and then were observed by optical microscopy and subsequentely by confocal laser scanning microscopy (CLSM) in autofluorescence.
Results. Thirty specimens (57.6%) were from females and 22 (42.3%) were from males patients. The patients’ age ranged from 5 to 75 years. Fifty-one percent of the specimens were excised from the mandible. In the maxilla, the most common location for odontomas was the anterior region. Most odontomas were associated with impacted teeth and only in one case there was an odontoma instead of a permanent tooth.
Conclusion. Odontomas are considered hamartomatous malformations whose diagnosis is generally formulated by routinary radiographic examination. The CLSM analysis could help in diagnosis and histopathological analysis showing well-defined follicular area entrapped in hard tissues and pointing out ghost cells, otherwise not identifiable by traditional microscopy.