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La transmigración se define como el fenómeno en el cual un diente incluido no erupcionado, traspasa en más de la mitad de su longitud la línea media. Es una anomalía poco frecuente y es aún más raro que ocurra de forma bilateral. Se presenta con mayor incidencia en los caninos mandibulares, en el sexo femenino, de forma unilateral, y siendo el canino izquierdo el más comúnmente afectado. El objetivo de este trabajo es describir el manejo quirúrgico satisfactorio en un paciente varón de 16 años, asintomático, el cual presentaba a la exploración clínica intraoral ausencia de ambos caninos mandibulares permanentes y persistencia de canino temporal inferior izquierdo, acompañado de una ligera malposición dentaria. En la exploración radiográfica (panorámica), se observaron ambos caninos inferiores derecho e izquierdo, en posición horizontal, bajo los ápices de incisivos inferiores. Se procedió a la extracción quirúrgica de ambos caninos, transcurriendo el postoperatorio sin incidencias. Se realizaron controles periódicos y radiográficos satisfactorios a los seis meses.

S7after excision. Diagnosis is based on clinical and histopathological study of injuries. Case Report: 67 years old woman, smoker of 40 cigarettes a day for over 40 years with no medical history of interest. The patient has whitish lesions, asymptomatic, of rough appearance on both jugal mucosa, hard palate, floor of the mouth, ventral surface of the tongue and tonsillar pillars since 5 years ago. We decided to biopsy lesions of the ventral surface of the tongue and floor of mouth. The pathology revealed Stomatitis interface with moderate dysplasia. After of 12 months of checkups with no injuries found, we decided to undergo a new biopsy obtaining a Squamous Cell Carcinoma In situ. We referred to the Maxillofacial Service for surgical excision of the lesions. Conclusion: PVL is a very dangerous disease because of its high percentage of malignant, difficult and controversial treatment monitoring, and questionable effectiveness.

The 69-year-old female patient was referred to our Service presenting with a two-moth history of painless mass in the right parotid gland. The medical history of the patient includes a treatment for arterial hypertension, dyslipidemia and a surgical thyroidectomy. A 1.5 cm lump, soft in consistency and movable when palpated, was observed during the physical examination. A supplementary ultrasound and NMR were requested, the visualization of which resulted in a diagnosis of suspected WT. After the supplementary trials, the patient was briefed and the possibility was pondered considering her age and general condition at the moment of the parotidectomy. Conclusion: WT is a relatively frequent entity, and odontologists must be aware of its clinical manifestations and most relevant diagnostic tests.-Oral Presentation 67 TITLE: Osteonecrosis generated by the use of Bisphosphonates in geriatric patients. A case report AUTHORS:

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