Dermoid cysts are unusual neoplasms and can occur in every part of the human body. They represent only 6.9% of all dermoid cysts in the head and neck region; in the oral cavity, the incidence is low, approximately 1.6% of all dermoid cysts. Our aim is to present an unusual case of a large sublingual dermoid cyst with mandibular prognathism caused by cyst growth. We reported a case of a large sublingual dermoid cyst in an 8-year-old female patient. A bibliographic research from 1937 to 2013 is reviewed and we found only three cases of mandibular deformity, of which only one was a dermoid cyst of the floor of the mouth. Removal of dermoid cysts of the floor of the mouth should be completed as early as detected, especially in newborns and infants when osseous growth abnormalities could result if removal is delayed.
El quiste dermoide es una patología originada en las células epiteliales atrapadas durante el cierre o fusión de los procesos embrionarios que forman el piso de la boca. 1-2 De acuerdo a la sugerencia realizada por Baker en 1883, se lo clasifica en quiste dermoide medial o de la línea media y quiste dermoide lateral, que puede afectar uno o excepcionalmente ambos lados. 3 Otros autores lo han dividido en relación con el músculo genihioideo; aquellos que se hallan por debajo del mismo (posi-Palabras clave: Quiste dermoide; Quiste teratogénico; Quiste epidermoide.
Treatment of mandibular fractures and their sequelae are difficult to resolve in the maxillofacial surgery field, their components cause that reduction must not only be anatomic, but functional as well. The aim of this article is to present a review about actual knowledge in mandibular fracture treatment and report a case of mandibular trauma. The treatment of these fractures has been changing through the years; the new technologies achieve better reduction with the osteosynthesis systems, which results in reduced approaches and lesser morbidity. Presently, titanium plates systems like mini-plates, reconstruction plates or blocking plates offer excellent results in high energy traumas through anatomic and stable reductions. The technology of 3D reconstruction systems and intra-operatory CT accomplishes better results in trauma treatment.
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