Odontomas are the most common odontogenic tumors and are usually incidental findings in radiographic examination. They are classified as either compound or complex. Both types are composed of enamel, dentin, cementum, and pulp tissues. Compound odontomas appear radiographically as rudimentary toothlets and can be diagnosed from radiographs alone, while complex odontomas appear as indistinguishable radiopaque masses and require resection for definitive diagnosis. They are frequently found in association with other abnormalities, and surgical excision is recommended for both types by most practitioners. The possibility of discovering lesions such as the odontoma supports the practice of recommending baseline radiographic surveys for all dental patients.
[Show abstract][Hide abstract] ABSTRACT: Ectopic odontomas are a rare disease process and need to be in the differential of the Otolaryngologist and Radiologist. Previous reports reveal the most common location to be the maxilla. We present a rare case of odontoma involving a turbinate causing nasal obstruction and foul-smelling rhinorrhea. Surgical excision is the treatment of choice with an endoscopic approach, if feasible.
[Show abstract][Hide abstract] ABSTRACT: Here we present the developmental progression of bioengineered pig teeth from 1 to 25 weeks of development. We demonstrate that 2-25 week implants contained embryonic tooth bud- and cap-stage tooth structures consisting of dental epithelium expressing the sonic hedgehog gene and condensed dental mesenchyme. Implants harvested at 18-25 weeks also contained tooth bud-like structures, as well as mature tooth structures containing enamel, dentin and pulp tissues. Immunohistochemical analyses confirmed the expression of dentin- and enamel-specific proteins in differentiated bioengineered tooth tissues. Three-dimensional computer modelling further demonstrated a spatial organization of enamel, dentin and pulp tissues resembling that of natural teeth. We conclude that bioengineered teeth commonly exhibit morphological stages characteristic of naturally forming teeth. Furthermore, the presence of immature tooth buds at all times assayed and increased numbers of bioengineered tooth structures over time suggests that porcine dental progenitor cells maintain the ability to form teeth for at least 25 weeks.
[Show abstract][Hide abstract] ABSTRACT: A newborn presented with acute airway obstruction secondary to a compound odontoma of the hard palate/nasal floor. This is the first case recorded in the literature. We review the pathology of compound odontomas and discuss the management of this rare and interesting case.
The Journal of Laryngology & Otology 11/2006; 120(10):879-81. DOI:10.1017/S0022215106001770 · 0.67 Impact Factor
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