Resección mínimamente invasiva y asistida mediante endoscopia de quiste dentígero gigante de crecimiento rápido en seno maxilar / Minimally invasive and endoscopic resection of a fast growing dentigerous giant cyst in the maxillary sinus

El quiste dentígero representa entre el 33,2%-66,8% de los quistes odontogénicos, los cuales por lo general se asocian a inclusión de caninos, premolares y terceros molares maxilares. Para decidir la ruta de abordaje o la técnica quirúrgica implementada para su resección, es necesario determinar si existirán o no secuelas estéticas o funcionales. Entonces, es responsabilidad del equipo quirúrgico, independientemente de la extensión de la lesión y teniendo en cuenta que se trata de una de carácter benigno, preservar la anatomía de las estructuras de soporte. En este artículo se presenta la resección de un quiste dentígero gigante del seno maxilar en un adolescente, en la que se aplica una técnica mínimamente ablativa, realizada por el Servicio de Otorrinolaringología - Cirugía Maxilofacial del Hospital de San José (Bogotá - Colombia)...

Dentigerous cysts account for 33,2%-66,8% of odontogenic cysts, and are usually associated with inclusion of canines, premolars and third molars. In order to decide the route or the surgical technique for the excision, it is necessary to determine whether or not there will be aesthetic or functional sequels. It is then the responsibility of the surgical team, regardless of the extent of the injury and taking into account that this is a benign lesion to preserve the normal anatomy of the supporting structures. We present in this article a giant dentigerous cyst removal of maxillary sinus in a teenager with a minimally ablative handled by the Service of Otolaryngology - Maxillofacial Surgery of San Jose Hospital (Bogota - Colombia)...

A two-piece sectional interim obturator. A clinical report.

Prosthetic rehabilitation of acquired maxillary defects can be achieved satisfactorily if all facets of treatment planning and design considerations are taken into account before the rehabilitation process. Complications associated with maxillary defects limit treatment protocols to a great extent. The prosthodontist has to identify these problem areas and suitably devise feasible options and incorporate them in the design. In this report, an acquired maxillary defect with unfavorable undercuts in the defect was successfully treated by making a two-piece sectional obturator. The two pieces were connected by the use of double-die pin system. The methodology greatly reduced chairside time and number of visits, and effective obturation was satisfactorily achieved.

Descompressão de cisto dentígero na maxila / Decompression of a maxillary dentigerous cyst

This study describes the case of a dentigerous cyst in a six-year-old patient treated by decompression of the lesion. The patient?s main clinical complaint was facial asymmetry with displacement of the nasal cavity. Clinical examination showed an extensive lesion in the left side of maxilla invading the nasal cavity. An interdisciplinary course of treatment for this patient was indicated to preserve the impacted permanent tooth inside the lesion. A panoramic radiograph and computed tomography scan were requested for planning the surgery. A decompression surgery was performed and an incisional biopsy revealed the presence of a dentigerous cyst in the maxilla. A second operation was performed two years later to disimpact the permanent incisor and promote its eruption by means of orthodontic traction. The patient was thoroughly followed for a few years. Bone repair at the dentigerous cyst site was perfect.

Este artigo relata o caso de um cisto dentígero em um paciente de seis anos de idade em que a técnica utilizada para tratamento foi a de descompressão. A queixa clínica principal do paciente era assimetria facial e deslocamento da cavidade nasal. Ao exame clínico pôde-se constatar uma lesão extensa na maxila, do lado esquerdo que invadia a cavidade nasal. Foi planejado um tratamento interdisciplinar com a finalidade de preservar o dente permanente impactado que se localizava no interior da lesão. Foram requisitadas para o diagnóstico e planejamento cirúrgico uma radiografia panorâmica e uma tomografia computadorizada. A cirurgia de descompressão foi inicialmente realizada e a biópsia incisional revelou a presença de um cisto dentígero na maxila. A segunda intervenção cirúrgica foi realizada após dois anos, com a finalidade de tracionar o incisivo permanente para permitir que o mesmo pudesse irromper na cavidade bucal por meio de tração ortodôntica. O paciente foi rigorosamente acompanhado por alguns anos e pôde-se observar uma perfeita reparação óssea na área em que havia o cisto dentígero.